Field notes and maps from Glass Mountains, West Texas, 1965Request permissions Download image Print
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[start page] Notes Glass Mts 1965 Check - There may 2 colls marked 7312 - if so the fusulinids should be 7302. [end page]
Apple Ranch 1029 Bill Neal Member 996 Blocks 1035 Cathedral Mtn. 1013 Dugout Mtn 1015 Fault N E of Hess R 990 Gilliland Canyon, junction with Road Canyon 994 Gilliland Canyon, S. end 998 Hess, S of 702C 996 Hess Ranch Horst 1004 Hill 5021 1006 5280 1000 5801 1006 Hueco Mtns. 1041 King Roc. 104-Fault 1003 Lenox Hills - East end 1007 Lenox Hills - South end 1010 Ojo Bonito 1037 Old Payne Ranch 1018 Road Canyon - mouth 1004 Road Canyon - N of Leonard Mtn. 1031 Road Canyon - west end 1014 Sullivan Peak 1010
[[encircled]] 1 [[/circled]] 985 732z [[back side of folded topographic map]]
985 [[image - topographic map showing Arnold Ranch, Dugout Mtn, Old Payne Ranch and various notations]]
April 1. 3.5 4.0 to 7246 4.75 to Road bend Sight on end of outcrop N 30[[degree symbol]] W
^[ [[circled]] 2 [[/circled]] [[attached machine printed pictures and text, upside down:]] [[pictures of a topographic map key, with captions:]] Ford Dam Dam with lock Canal lock (point upstream) U.S. [[township section line?]] and [[recove?]] Boundary monument Bench mark (supplementary bench mark shown by cross and black figures without lettering) Cemeteries Church, School (distinguished on recent maps) [[Col?]] RELIEF (printed in brown) Elevation above mean sea level (in black on recent maps) Contours (Contours showing depth of water printed in blue) Depression contours [[?]] [[printed text, of folded attachment:]] with a contour interval of 1 to 100 feet, according to the relief of the particular area mapped. 2. Surveys of areas in which there are problems of average public importance, such as most of the basin of the Mississippi and its tributaries, are made with sufficient detail to be used in the publication of maps on a scale of 1/62,500 (1 inch=nearly 1 mile), with a contour interval of 10 to 100 feet. 3. Surveys of areas in which the problems are of minor public importance, such as much of the mountain or desert region of Arizona or New Mexico, and the high mountain area of the northwest, are made with sufficient detail to be used in the publication of maps on a scale of 1/125,000 (1 inch=nearly 2 miles) or 1/250,000 (1 inch=nearly 4 miles), with a contour interval of 20 to 250 feet.
[[image - topographic map showing Iron Mtn, Skinner Ranch, Gilliland Canyon, and various notations]]
780 554 --- 126 352
[[encircled]] 3 [[/circled]] 987 [[back of folded topographic map with text on back]] two cash,draft,? partly addressed to ley is allies. slop- THE DIRECTOR, United States November 1937. :-Effective on after October 1, 1946, the price of quadrangle maps will be 20 cents each. with a discount o amounting to $10 or more at the retail rate. ssion, Wharves, Breakwater and jetties Bridge, Drawlsid Land grant line, City, village or borough line, Small park or cemetery line, Triangulati point or tra traverse sta Shaft, Mine tunnel, Mine tunnel (showing directions/ Lighthou or beaco WATER (printed in blue) Canals or ditches, Aqueducts or waterpipes, Aqueduct tunnels, Lake or pond
987 [[circled]] 3 [[/circled]] [[image - topographic map showing Cathedral Mtn, Sullivan Ranch, and various notations]]
5280 9 ------ 47520 [upside down on page] 360 2 1/2 -------- 180 720 ---- 900' 6.5 [right way up on page] 0.9 mile [[image - triangle]] 4752'
988 4 [[pasted upside down text]] ize of the folio. A circular describing the folios will be sent on request. Applications for maps or folios should be accompanied by cash, draft, or money order (not postage stamps) and should be addressed to THE DIRECTOR, United States Geological Survey, November 1937. Washington D. C. [[image - hand drawn graphs]] points - such as road intersections, summits, surfaces of lakes, and benchmarks - are also given on the map in figures, which show altitudes to the nearest foot only. More precise figures for the altitudes of benchmarks are given in the Geological Survey's bulletins on spirit leveling. The geodetic coordinates of triangulation and transit-transverse stations are also published in bulletins. Lettering and the works of man are shown in black. Boundaries, such as those of a State, county, city, land grant, township, or reservation, are shown by continuous or broken lines of different kinds and weights. Public roads suitable for motor travel the greater part of the year are shown by solid double [[end pasted upside down text]] 4.3
[[image - topographic map showing Willis Ranch, Hess Ranch, Hess Canyon, Youngblood Place, Leonard Mountain, Road Canyon, and various notations]]
989 [[circled]]5[[/circled]] [[printed text]][[upside-down]] are shown by lines of blue dots and dashes. Relief is shown by contour lines in brown, which on a few maps are supplemented by shading showing the effect of light thrown from the northwest across the area represented, for the purpose of giving the appearance of relief and thus aiding in the interpretation of the contour lines. A contour line represents an imaginary line on the ground (a contour) every part of which is at the same altitude above sea level. Such a line could be drawn at any altitude, but in practice only the contours at certain regular intervals of altitude are shown. The datum or zero of altitude of the Geological Survey maps is mean sea level. The 20-foot contour would be the shore line if the sea should rise 20 feet above mean sea level. Contour lines[[/upside-down]] of 20 to 250 feet. The aerial camera is now being used in mapping. From [[this]] information recorded on the photographs, planimetric [[maps]] which show only drainage and culture, have been made for some areas in the United States. By the use of stereoscopic [[plotting]] apparatus, aerial photographs are utilized also in the making [[of]] the regular topographic maps, which show relief as well [[as]] drainage and culture. A topographic survey of Alaska has been in progress [[since]] 1898, and nearly 44 percent of its area has now been [[mapped.]] About 15 percent of the Territory has been covered by [[maps]] on a scale of [[1 over 500,000]] (1 inch = nearly 8 miles). For most of [[the]] remainder of the area surveyed the maps published are on scale of [[1 over 250,000]] (1 inch = nearly 4 miles). For some areas of particular economic importance, covering about 4,300 square miles the maps published are on a scale of [[1 over 62,500]] (1 inch = nearly 1 mi or larger [[/printed text]]
[[image - topographic map showing Kendrick Ranch, Old Word Ranch, Dessie Ranch, De Spain Ranch, Wolf Camp Hills, and various notations]]
Readings | 100 | 150 | 200 | 300 | 400 | 1/125 Plus X | F11 | 12 - 14 | 16 | 18 - 20 | F22 | ------------------|---------|---------|----------|---------------------- 1/125 KodachromeX | F7 | F8 | F10 | F11 | F14 | | (6 - 7) | (8 - 9) | (9 = 10) | | (12 - 14) | | 8 | 8 | 11 | 11 | 16 | ------------------------------------------------------------------------
[[encircled]] 6 [[/circled]] 990 [[margin note]] March 28 Fault [[/margin note]] Arrived Marathon - Noon on Mar 28 [[sketch of geologic column in left margin]] -------------| 730o | | --- 730p ----|x fusulines Thin-bedded | thinly banded| light gray ls| -------------| [[/sketch]] 15-20'+ of biohermal beds C. M. fossils. Rhipidomella hessensis Spyridiophora = 730o x fusilines 730p at base of heavy beds 730q - Institella beds on fault Went on Hess Ranch to north side low ridge N of Hess Ranch. Examined the spurs jutting N from low hill with two knobs 5050 and 5600. The rock on these slopes is very massive and suggests the lower Skinner Ranch to me. It is much dolomitized and only fossils seen are sections of snails and crinoid stems. Massiveness of the rock suggests Skinner Ranch. The rock extends to the creek. Saw nothing to indicate real Hess lithology. I think the north slope of this ridge from its west end to the flat place in the hill 5000' is all basal Skinner Ranch much altered by dolomitization probably from intrusions, one of which occurs near the end of the long spur
991 [[circled]]7[[/circled]] 7300,p.q. Went to see fault on NE nose of hill 5250 (contour). The fault is very conspicuous. A long section is exposed on the west face of this hill consisting of a considerable thickness of ribbon -banded, platy light gray - weathering limestone. That breaks into plates which litter the slope. Some plates have an orange siliceous shin, and a small amount of siliceous shale appears. This platy material is capped by clastic and biohermal limestone with Phipidomella hesseusis and Spyidiophora. Thickness not determined. Above the Spyidiphora bed which extend down the slope of the spur are CM type of beds which are followed by biohermal beds, thickness not yet determined which belong to my locality 708 = dustitella beds. I think we have here a passage interval to the Hess; the platy beds representing middle Skinner Ranch passing into Hess lithology and then up Skinner ranch with Spyindiophora = to the Bill Neal member.
992 8 March 29 Send Garcia pictures of Museum exhibits. N65E20[[degree symbol]]N 730r - fusulines & Spyridiophora [[vertical margin note]] Total of 29 levels for Skinner R = 142' [[/note]] [[sketch of geologic column in left margin]] --------------| o o o o o o | F = 5' --------------| 20' | E --------------| 10 levels | D 1L Fus. 730r | at level 19 --------------| Fus at base = 730t 3 levels shale| C --------------| 15 levels | B = 73' | --------------|x 730p Fusulines | Platy bit. | 33 1/2 levels | A = 164' Sullivan Peak Equivalent at 20 [[degree| symbol]] | [[/sketch]] [[bracket including units B, C, & D]] 51L A - flat bedded ribbon - banded bitum. ls. B - Coarse calcarenite to rudite with R. hessensis & Spiridiophora fusulines at base C - Thin - bedded somewhat siliceous shaly ls, yellow weathering D - Massive calcarenite - biohermal with Spyridiophora Sullivan Peak Equivalent On top of A are steeply dipping yellow weathering siliceous ls. very thin bedded 1/4 - 1/2". Occasional thin lenses of calcarenite & shell debris. One thick band 2 - 3' below yellow beds, perhaps 10' - 15! Lowest beds of B are coarse calcarenite with spy. brownish gray, some silicified bryozoan & "algal" material Massive biohermal beds 3' - 4' thick.
993 9 A is on west side hill, lower part of B on top of hill. One siliceous bed 1' thick with chert and possible sponges. A bed of yellow platy siliceous limestone in the midst of B is followed by a thick succession of biohermal and massive calcarenite. Fusulines and Spyridiophora near base. Extremely massive, showing no bedding. Fusulines in base of thin - bedded = 730t. One big heliosponge and large crinoid stem seen in top beds. Massive beds a pale brownish gray with varying degrees of granularity. E—Mostly blocky yellow brown chert [[insert]] & siliceous thin beds [[/insert]] & breaking into angular blocks, up to 4-8" thick. estimated at 20' and shown in a small draw, Some thin bedded material — looks typical C.M. F—about 5' small pebble cgl. = 730u — lowest cgl 27' above old road goes up slope as a veneer to 65' above old road. This is only place where it was seen. Pebbles scattered, white, black + red quartz up to 1 1/2" but mostly 1/4"–1/2." Pebbles well rounded but irregularly shaped. [[sketch of geologic column in left margin]] --------| 730u | 5' F --------| 20' | E --------| 10 L | D -------x| 730r 3L | C -------x| 730t 730s | 15L | B x| 730o x| 730p --------| Platy | beds | --------| A [[/end sketch]]
994 [[left margin]] 10 [[/left margin]] 730q - Institella beds at fault seem to be a sliver caught in because we could find no base or top to it. Dick's first measure of SKR came to 130' but measuring across the hill rather than down the hill gave a measure of about 65'. Or half the previous measure. The truth is somewhere between. 730v - Skinner Ranch, side of knob near 730r. March 30 Word 3 junction Gilliland & Road Canyons A - massive gray sandy ls with siliceous layers & caps. Waagenoceras common B - covered C - 6' same as A with Waagen. D - 5' covered E - 24' of sandy ls in beds 1-3' which with ammonites, siliceous nodules & siliceous skins. F - covered slope with darker gray ls pieces G - Somewhat tan-colored sandy limestone few fossils to top of hill. Waagenoceras on very top. [[diagram of geological column]] 730w -------| 16' | G -------| 15' | F -------| 24' | E -------| 5' | D -------| 6'C | -------| 6' | B -------| 11' | A -------| [[strikethrough]] 8 [[/strikethrough]] 3' [[/end diagram]]
995 [[circled]]11[[/circled]] Ammonites occur often in musty siliceous skins. The striking feature of this section is the almost complete lack of brachiopods and no patches of brachiopods were seen. Had a futile day because we could not rediscover the 723w locality. It was very foggy and cold; could not locate ourselves because we could not see the topography. Nevertheless it is absolutely clear that the beds on west side of Gilliland Canyon are Word #3 and not Word #1. They are more sandy on the west side of the canyon than on the east but there is considerable sand on the east side. We saw few brachiopods on either side of the canyon. They are not as abundant as in the Word 3 farther east, i.e. in Hess Canyon. We visited 721u which is N80[[degree symbol]] E of hill 4910. 7210 is N 70[[degree symbol]] E and is north of 721u. Latter place about exhausted.
996 [[encircled]] 12 [[/encircled]] 7260 Bioherm 18' thick Going south of 702C. Found Institella at 175 paces south & Hess lithology at 212 paces. At about 300 paces south came a limestone cgl. at 375 Composita in fine grained gray ls. Composita Derbya, Meekella suggests level of 726 m. At 479 paces gray granular ls with silicified crinoid debris. 500 paces same with large crinoid stems Weathers yellowish. Changes here at 550 to normal Hess type. 70 - 702 pacea fusulines common in platy beds. Congl on inside amphitheater is small pebble quartz and with large pieces of limestone. 360 paces S20° E of 702 C biohermal beds and conglomerate with many fossils Richthofenids, Derbyias, Also much congl. certainly the base of the C.M. M-31 Bill Neal Member? ls cgl about 15' covered, bed with yellow chert capped by 10' with crinoid stems and large Spirifira Large Peniculauris. Chert band
540 2 1/2 -------- 270 1080 ----- 1350
997 [[circled]] 13 [[/circled]] disappears in about 100 yards. Chert bed picked up again a little lower. Crinoidal beds 4' thick in places. Fusulines common, Leptodus Spyridiophora, Peniculouris, Sponge bed with abundance of Girtycoelia Fossil bed running along crest of ridge about 50' below top. Sponge bed some 50' in length. Crinoids play out opposite N end hill capped 5700'contour, opposite N end 5700' contour Sight from 702e S60 E of end hill of horst N60 E of highest part of Leonard Mtn N70 W of W end hill 5060 S80 E W end hill 5305 702e is 540 paces = 1350' west along ridge from divide = 1/4 mile. To get to locality follow fence line at gate to its intersection with Neal cross-fence.
998 [[circled]] 14 [[/circled]] April 1 742b locality - Road Canyon --------| 15' | C --------| 10' | B --------| 27' | A | A- All but top 5' covered, top 5' with thick - bedded chert strongly suggestive of Leonard B- biohermal beds thought to be lower Road Canyon C. Very Thin - bedded, bituminous ls. with some interbedded chert. Often weathers yellow. Seems to me to be good Road Canyon whereas chert under the bioherms looks like Leonard. [[margin]] 13 levels at 13° + 1'. [[/margin]] Beds above Word 3 very fissile thin-bedded yellow siliceous shale Top bed of Word 3 has an inch or two of brown siliceous material. Word #3 is light gray very sandy ls. Occasional thin beds of chert. Very uniform lithogically. Irregular sand layer. Fossils rare, scattered, broken. Occasional layers with quartz pebbles up to half an inch. Well scattered Layer about 65 - 70' thick. W3 at SE end of outcrop : 11 levels at 13°
999 [[circled]] 15 [[/circled]] 731m- large lens of limestone, sandy and silty abounding in fusulinids and other fossils. Weathers yellow gray to rusty. About 3 - 4' thick. At about same level as 730z which came from the shale. The lens is 30 - 35' below Word #3 and seems almost identical to 723W. The lithology is the same and the fossils similar. Waagenoceras present. Under the Word #3 is thin, yellow fissile shale with occasional small limy lenses with fusulines and other fossils. One of these is 730z taken from 30' below the Word #3. This shale seems lighter yellow than that of the Leonard and it has no chert in it. Location of 731m. S 70 E on igneous knob S 55 W on Sullican Peak S 30 W on hill 5300 S 60 E on hill (cone) on N side 5250 Location just before Word 3 goes under the floor. Two patches of Word #3 west of main mass about 0.1 miles. Follow fence to outcrop; where go thru gate
1000 [[circled]] 16 [[/circled]] Hill 5280 A1- patch of small pebble congomorate with aglesia common and Institella present. Dark granular Is with Peninites 3'- 4' bed dark detrital ls. with huge Hustedia, Chonosteges, Hercosia, Aglesia. These 3 layers close together and enclosed in a matrix of blocky chert that breaks into rectangular lumps. A double ledge of ls. at about 4850' on slope. Broken shells, dark color with brown silica stain. [[left margin, geological column diagram]] ---------| CM | ---------| Tory | 1' A[[superscript]] 1 | [[/superscript]] ---------| CM | 50' B ---------| SK - Tory| 3' C ---------| chert | 30' D ---------| Tory 15' | E ---------| 25' chert| covered to stream | [[/left margin diagram]] A1[[superscript]] 1 [[/superscript]] - Detrital ls (1') enclosed by chert above & below and containing Torynechus. About 50' below this ledge came thick limestone. This is a 3' bed with Torynechus. About 30' is another massive ls and in between is chert. This upper bed contains many corals thin and long. E Thick scattered massive granular ls with scattered quartz pebbles up to 1". It is about 10' thick and contains small corals. Also has thick layers 4 - 6" of chert. Beneath E is about Bed C may be to of SKR. The chert on it is more orange than that below.
1001 [[encircled]] 17 [[/encircled]] Bed A[[superscript]] 1 [[/superscript]] higher up slope near top of hill has Oncosiuna [[?]] or something new. A[[superscript]] 2 [[/superscript]] - Divide between two main gullies has contact of SKR and CM. SKR has siliceous skin and contains Torynechus. Very uppermost bed is a cgl. with ls pebbles. Small corals common. Lower quartz pebbles of 1/2 inch are scattered in the rock. Some layers of brown chert appear below the top but all are thin. Large crinoid skins Heliospongia 2 limestones stones appear in the lower 50' of the Cathedral Mtn. but they do not seem typical CM. Found Peniculauris and Chonosteges but nothing diagnostic. Upper bed 3' thick with a 3' siliceous skin We walked the top bed of the SR from the Mtn. top around to our locality A[[superscript]] 1 [[/superscript]] and the top is actually bed E which has at least 25' of chert under it. It is evident that the cherty beds thin into the mountain to the east. Possibly there is convergence of the Torynechus beds toward Leonard Mtn.
1002 [[circled]] 18 [[/circled]] What we saw on hill 5280 suggest that some of the SKR cherts are pinched out to the east so that the Mountain front presents a complete limy face. Furthermore we found Torynechus common at the top of the SKR and for some 50' or so below. It also occurs in 2 layers in the beds above it, in what is lithologically like Cathedral Mtn. I suspect that these limestones belong to the SKR rather than to the beds above. These may converge eastward to make the Torynechus beds on Leonard Mtn.
1003 [[encircled]] 19 [[/encircled]] April 2- King locality 104 Dolomite with scattered crinoid debris. On east side of King's 104 we saw evidence of faulting, baked rock, schistose rock, Thick calcite veins, color change, dolomitic rock. All this added to a drastic dip change suggests fault. Furthermore, under the cgl. with Institella comes extremely massive coarse calcarenite that I believe to be Skinner Ranch. The situation seems to be nearly the same as that at 708. Hess horst at East end A2 [[superscript]] 1 [[/superscript]] - the Lenox Hills cgl. crosses the divide just east of the igneous body and the fault is on the S side of the divide. The fault must run along the south side of the igneous body and the east side of the divide. Thus the conical hill must be blocked on 3 sides by faults, the southernmost fault taking in localities King 104 and 708. The fault along the south side of the igneous body must join the fault on the south side. ^[[of the conical hill]] The bulk of the conical hill must certainly be Skinner Ranch (high)
1004 [[encircled in margin]] 20 [[/encircled]] A2^3 Hess Ranch Horst Fault crosses stream on E side conical hill 750 feet upstream from road. Large bioherm at junction of road and main stream. 2 probable Institella Under this a few feet from the road (50') in stream is platy yellow shale. A large myalira [[?]] [[c?]] like those from Split Tank was seen. The bluff is almost certainly Institella. Mouth of Road Canyon 731p- very end of the hill at E end Road Canyon has a knob of unfossiliferous Word #3. Under the Word #3 is a small hump almost completely composed of fusulinids. It also contains some brachiopods, Richthofenids, productids & large Derbyia. This looks like the lens 30' under Word #3 on Thursday morning =731m. 7 of these lenses below the main knob. A2^4 - Word #3 consisting of blocky light gray sandy limestone with chert nodules and some yellowish chert skins on blocks 70' thick forming crest of hill. All types of fossil are extremely rare. On slope up to top of hill saw numerous pieces of rock from lenses
1005 [[encircled]] 21 [[/encircled]] like those of 731p. These are full of fusulinids. Coming down the slope from top we were impressed by the fact that the flattish slabs of Word #3 are mainly confined to the upper slopes and no yellow shale shows. Where the slopes flatten the yellow shale appears but virtually no drift from Word #3 appears. It is unlikely that we picked up any contamination from above. Contamination may come from limey lenses just above Road Canyon but these have mostly Road Canyon types. At the end of the outcrop the upper Road Canyon is sparsely fossiliferous and is somewhat suggestive of higher Word. Perrinites is on the slope just west of 721j. The lower slopes above the Road Canyon at and around 721j are covered wholly by shale. No float from the top appears. It seems improbable that any Word # has been picked up as Road Canyon.
1006 [[left margin encircled]] 22 [[/left margin encircled]] April 2 Section on Slope with Perrinites just west of 721j - in Road Canyon. [[image - sketch of geologic column in left margin]] Word | I -------| 3' | H -------| 11' | G -------| 26' | F -------| 11' | E -------| 27' | D -------| 4' | C -------| 16' | B -------| 11' | A | 95 [[/image]] A - Bioherms with large Peniculauris and many fossils B - Bioherms - scattered, poorly exposed. C - fine granular limestone with fusulines and Perrinites D - Partly covered slope but with beds a foot or less thick with siliceous skins. About the level of 721j E - Blocky thick - bedded calcarenite - with siliceous layers and skins F - Thick bioherm of light gray limestone with scattered fossils. corals common. G - yellow siliceous shale H - Bed of limestone with abundant fusulinids and other fossils scattered through. I - Word shale
1007 [[left margin encircled]] 23 [[/left margin encircled]] April 3. A3 = 713q - A lens of detrital limestone with pebbles and shell debris, bituminous contains Spyridiophora. This is at base of small knob of C. M. Huge crinoid stems. 731r = A3 [[superscript]] 1 [[/superscript]] - 10' above top of SKR (vertically) comes a lens like that of 731q with pebbles of ls, broken fossils and huge crinoid stems. It has the aspect of the SKR. Spyridiophora fragments seen Xestosia. Section uphill at 731r A -76 feet of yellow siliceous shale and blocky chert. At top of A is a 9" layer of blocky chert. B -fine calcarenite with siliceous skins on rock surface (1/2"). Fossils very fragmentary -1 foot thick C -covered. D -Mostly shale and chert, some bedded with a 6" limestone bed at base E -Fine grained calcarenite, dark gray in section and weathering Occasional ammonites, 1" siliceous skin on top. F -platy hard shale on chert. G -same but with flat-bedded ls of 1' at base. H -gray ls siliceous skins on some beds. [[image - in left margin sketch of geologic column described above]] ___ 8'| H ___ 8'| G ___ 7'| F ___ 33'|E An in mid [[vertical]] 731s [[/vertical]] ___ 7'| D ___ 6'| C ___ 1'| B ___ 76'|A | ___| SKR| [[/image]]
[[start page]] 1008 [[circled]]24 [[end circled]] Next Hill West A -Chert yellow shale slope mostly covered B -bottom bed a fossil [[?]] hash. but mostly chert with another one foot limestone band a foot or two above the lowest one C -11' up in C a moderately large Rhipidonella. At top thick layers of chert. D -11' chert blocky E - Veneer of limestone, gray like that below -occasional ammonites. 731t -crust of first and small knob above 731q is a section of silicous yellow shale but on very top of knob is a small bioherm with numerous fossils. Striatifora among others. The north slope of the knob has a steeply dipping veneer of probable Leonard #3.The rock is the same lithologically as that on the big hill to the west. We found nothing diagnostic in 731t to place it in the section [[below represents a hand drawn diagram found vertically in left margin of page indicating layers. An arrow at bottom of diagram points to end of first paragraph which reads 'that below -occasional ammonites.]] __ 6' E ___ 11' D ___ 24' C ___ 11' B ___ 87' A ___ SKR [[arrow pointing up to bottom of first paragraph]] [[end page]]
1009 [[left margin encircled]] 25 [[/ left margin encircled]] N side Hill 5021 A - 22' of yellow siliceous skin. B - 1' lens of detrital ls. Stenoscisma (large). 1 1/2" silicious skin. C - 38' of shale and layers of blocky chert E - covered F - Blocky dolomite with silicious skins. G 10' of irregular greenish gray dolomite with small quartz pebbles 1" -looks like a dolomitized bioherm. Crinoid skin shadows H - massive dolomite beds 3' thick with rounded surfaces but top bed angular and blocky. I -altered blocky chert J - 18' of massive tan dolomite with small silica flecks. Fossils in chert skins badly altered. [[image - drawing of geologic layers as described above]]]] ------| 18' | ------| 16' | I ------| 20' | H ------| 10' | G ------| 22' | F ------| 5' | E ------| 38' | C ------| 1' | B ------| 22' | A ------| SKR | | [[/image]]
1010 [[left margin encircled]] 26 [[/left margin encircled]] Our wanderings of April 3 over the east end of the Lenox Hills did not produce any definite trace of the Institella beds. The Spynidiophora just above the SKR I think belongs rather to the SKR than above. The beds at 731t have fossils suggestive of Leonard #2 but we saw nothing to clinch this. April 4 Lenox Hills - South 714w - N10W of Pinnacle Hill with Leonard Z. From Hill 5300 have [[left margin encircled vertical]] check 723w [[/left margin encircled vertical]] N60E. Locality with Institella is south of hill with 714w This is probably locality 723w check One block numbered this. This must be check in 1963 notes and against collection. Sullivan Peak April 4th went up Sullivan Peak The RC is all of 300' Thick. I Think its contact with the Word is at saddle at 731w. This is at about 5275' elevation in the saddle. Down slope to east I encountered the bioherms at the base of the RC at about 5000' elevation These run along the side of the hill for some distance and look like the lower bioherms northwest of Hess Ranch.
1011 [[left margin encircled]] 27 [[/left margin encircled]] A - platy yellow shale with pink bands. B - Solid mass in about two 5 foot layers many chert nodules, fusulinids (abundant) Rhynchopora, Neophoric. C - Thin yellow shale D - irregularly bedded massive limestone with interbeds of yellow chert & shale E - yellow shale on long slope F - Thin bedded limestone with some swollen parts. Evidently a lens. G - yellow shale - occasional lens of ls. H - yellow dolomite I - shale J - dolomite yellow K - shale L - occurs just at base of Slope at end of long spur at about 5450' Here are a series of lenses thru 56' feet vertical. These have a variety of lithologies some are dark bituminous others silty and some are made up almost wholly of fossils. Some are patches (small) of fusulinid debris The top 16' of L has blue shale rather than yellow and many of the lenses are round like Septoria with the cracks filled with black tiny calcite. At top of L is a bed of black limestone [[image - in left margin sketch of geologic column as described above]] Thicknesses here are elevation not true thickness 1004 | blue shale | _____________| 16' | _____________| 40 | L _____________| _____________ } 3' - 55+ | K _____________| 1' | J _____________| 5' | I _____________| 1' | H _____________| 40' | G _____________| 4' | F _____________| 32' | E _____________| 11' | D _____________| 5' | C _____________| 11' | B _____________| 7' | A _____________|about 5190 elevation Flat platy | ls. | [[/image]]
780 2 ---- 1560 390 ---- 1950 ---- 5280
1012 [[left margin encircled]] 28 [[/left margin encircled]] Top of L is top of limestone and brings one to steep upswing of slope into Sullivan peak. It is the very base of the hill at about 5510'. Above the top of L the slope is mostly of blue shale but has scattered ls lenses with black joints. Small round concretions are also present. 554 paces from base of is a layer of fusulinids = 731[[?]] 780 paces from base of L comes contact of shale & ls. of Word & R. C. Here no more yellow shale occurs This 1950' from base of L. Top of R C a great mass of fusulinids in heavy bedded ls. overlying limestone cgl. = 731w. A4' At about 5000' contour is a ledge of bioherms 10 - 15' thick with numerous sponges and corals that look like the basal bioherms of the Road Canyon. There are about 250' of slope there with R. C. = about 250 - 300'
1013 [[left margin encircled]] 29 [[/left margin encircled]] A4 [[superscript]] 4 [[/superscript]] A - 8' of massive and cobbly ls. almost completely made up of fusulines = No fusulines in top foot. B - Shale, chert and thin ss beds, yellow and brown. C - Massive ls abounding in fusulines D - Slope of loose rods indicating discontinuous beds of ls sandwiched in between yellow shale & chert. ls with fusulines E - yellow chert & shale with 2' bed (discontinuous) of ls. at base [[image - in left margin sketch of geologic column as described above]] _____________________ highest 10' - 2 | part capped | by [[?]]fossil | gray ls | _____________________| yellow ? shale ______________________ 11' | E ______________________| 16' | D ______________________| 8' | C ______________________|______ 731x 38' | B ______________________| 8' | A ______________________|______ 731y Blue Shale | 70-801 of slope |
1014 [[left margin encircled]] 30 [[/left margin encircled]] April 5 West end Road Canyon - walked over Word #3. Same sandy limestone but with few fossils. Two general levels of fossils one near bottom with Ammonites - 'Waagenoceras and Medlicothia and straight - shelled nantiloids common. The upper level mostly brachiopods all badly broken or mere fragments This level also has a fair number of small quartz and other pebbles. China tank is exactly 0.6 mile west of middle of divide in Hess Canyon. 731z - dolomitic limestone, cherty massive with linoproductus & Spiriferella. Collecting poor. 732c - small isolated lens above 706b and below Word #4.
1015  April 6 Dugant Mountain A6- round knob with elevation 5000' is Leonard ls.[layers] #3. Here about 60 feet thick and mostly [cgl] at base, with some yellow chert. Fossils badly macerated. [Pericularis] with large wing = 700 [r][rings?] Ab' Leonard #2 is on slope just below 3 and is mainly massive ls. in the lower 1/2 and mostly massive dolomite in the upper half, all with small quantity pebbles and much fragmented fossils. I estimate it occupies 60' of slope on side of ravine. 732d-A6[squared] N 20 E of hill 4811 = 3rd limestone A- 3-4' conglomeratic massive ls. with small pebbles 1/2" and fragmented fossils B-covered C-thinner bedded cgl. ls. D-covered E-Fine calcarenite with broken fossil in lower [?} 5/9 but top in coarse massive conglomeratic ls. with 2" siliceous skin Ornamented Glyptosteges throughout [side notes] Granule ls 1' 8-10' chert 9' E 3' D 3' C 2' B 3-4' A chert
1016 [[circled]] 32 [[/circled]] Some of the beds have many sponges. A6[[superscript]]3[[/superscript]] 732e - 2nd Leonard ls. A - Massive fine-grained sandstone with some conglomerate patches B - Conglomeratic dolomite limestone rounded by weathering C - covered D- conglomeratic dolomite E - covered F -2' conglomeratic ls. G - chert with occasional ls lens H - same to top of hill. Sceletonia in G Color 33 is of Leonard #2 on Dugout Mt. Thick ss to lower left. Slope above 732e contains mostly quartzite BW26 looks at small knob shows Leonard 3 on crest & 2 below. ------| 3' | H ------| 2' | G ------| 2' | F ------| 2' | E ------| 3' | D ------| 5' | C ------| 3' | B ------| 7' | A ------| chert | |
1017 [[left margin encircled]] 33 [[/left margin encircled]] 732f - Leonard #4 - a few feet 5 - 7' of gray granular limestone with rusty sponges on some of the surfaces. Ammonites present. Brachiopods few and mostly a small Echinauris Paucity of fossils is in contrast to beds 2 & 3. [[left margin]] 700p = [[/left margin]] A6+4 - Revisited Leonard #2 locality on east side of road and found crenulated Oncosarina which is common in Leonard #2 and 3 on Leonard Mtn. We did not see it in Leonard #4. Considerable sandstone under cgl. band Leonard #2 has a great variety of Lithologies as seen at 732e. The sandstone at its base was not seen elsewhere but much sand exists in the section. Some of the blocky chert seems to be quartzite. These limestones are clearly related to the Skinner Ranch and the discovery of Sceletonia in both of them clinches it.
1018 [[encircled]] 34 [[/encircled]] April 7 NW of Dugout Mt. near old [[strikethrough]] Word [[/strikethrough]] Payne Ranch. A7 A - Lower limestone of tier of two Dark gray, fine grained weathering with a yellowish gray tinge. Fusulinids taken from 3' below top = 732g. B - 18' of brownish yellow shaly rock looking like Leonard C - 6' bioherm but with few fossils Some quartz pebbles 732h-fusulinids D - cherty yellow rock E - gray ls. 2' F - Yellow chert G - Calcarenite with many fusulines 732i = fossils from G. 732i[[superscript]]1 [[/superscript]] is from top, others from middle 732K - small concretionary patch with Waagenoceras. Under low hill with poorly bedded ls. A7' - Blue Clay shale with posterior of a Spirifer. Shale suggests that on Sullivan Peak [[left margin, diagram of geologic column]] -----| 10' |G732i -----| 10' |F -----| 2' |E -----| 23' |D -----| 6' |C732h -----| 18' |B -----| 19' |A 732g -----| 2' |chert brown -----| orange bed 2' -----| [[/left margin]]
1019 [[encircled]] 35 [[/encircled]] A7[[superscript]]2[[/superscript]] - Low hill with "Clay Slide" structure shaley bedded fine yellow sands and bluish sandy shale in which we saw no fossils. This is overlain by thick beds of biohermal limestone which strongly suggests Road Canyon. This limestone is about 50' thick. On its back slope is about 15' of yellow platy shale followed by about 20' of limestone, here not biohermal, but the same beds from which we collected. The biohermal arrangement here is reversed with the bioherms at the base. Saw one mass of Corcinophora which is good evidence for Road Canyon. A7[[superscript]]3[[/superscript]] - High Knob. A - mostly thin bedded sandstone with some small pebble cgl. near the bottom. B - Yellow-orange ls band about 1' which containing Perrinites and Peniculauris. Very like real Clay slide = 732-z. C - 50' of slope in gray to blush gray crumbly shale. [[left margin, diagram of geologic column]] Top of hill ------------| 33 |F ------------| 14' |E ------------| Fu/10' 16' |D ------------| Pebbles crowded and numerous, | about 1' 50' |C ------------| 1' 732-z |B ------------| mostly thin |A bed ss |
1020 [[left margin encircled]] 36 [[/left margin encircled]] D - conglomerate, with limestone cobbles, very massive ls. E - bottom half smooth gray irregularly bedded, very fine grained may have been bituminous originally F - series of bioherms with fine grained & cherty limestone between One thick bed at very crest. Coscinophora about 10' below top. 732-l - Ammonites at 4637' in A7[[superscript]] 3 [[/superscript]] Knob 732m - Knob - base of bioherms = R. C. 732n - Middle Bioherms. 732-o - 10' above base of bioherms 732p - very top of Knob. 732r - Coscinophora (10' below top) 732q - Lower massive member of Capitan out in plain in fault block. Dolomitic cream to whitish limestone with few fossils. A good collection could be taken here with much work
1021 [[left margin encircled]] 37 [[/left margin encircled]] April 8 N85W on hill 4861 S45E on hill with thick cap of R.C. About 1 foot fusulinid limestone capped by 1/2 - 1' of fine grained dark limestone both containing Waagenoceras and Costispinifera = 732s A8 [[superscript]] 1 [[/superscript]] Thick sandstone probably same as that capping hill 4806. [[left margin]] Rough rec. [[/left margin]] A8 [[superscript]] 2 [[/superscript]] Small knob of biohermal limestone with band of cgl. beneath. It is same as top of hill 4861 [[image: left margin geologic column as follows]] ________________| fine grained | ls 3' _________________ Cherty sh | ? _________________ 5' ls fus. | = 732t _________________ ls lenses | 30' | & yel ss | _________________ 10 - 15' | calcarenite | _________________ Bioherms | 10 - 15' _________________ shale | [[/image]] 732t = hill 4861 a knob with about 25 - 30' of biohermal Road Canyon. Beneath is about 100' of slope of shale and shaly sandstone like that on other Road Canyon Hills to southeast. Coscinophora present and Peniculauris found in float. The RC pitches steeply to the south facing hill capped by sandstone. True dip difficult to decipher. Saw Edriosteges in block with Coscinophora. Above this ls is more shale.
1022 [[left margin]] 38 [[/left margin]] 732u is conglomerate on west side of hill about halfway up is full of fossils with Perrinites and Medlicottia, Spirifer etc. [[image: left margin geologic column as follows]] _____________ Bioherm | _____________ Shale & | ss soft | _____________ | cgl _____________ Shale & ss | soft | [[/image]] 732v - Perrinites from just above cgl. on N side hill about half way up. 732w - Brachiopod from near top of hill = Coscinophora 735g - Same as above but up. Cathedral Mtn. 732x - from ^[[insert]]10' above[[/insert]] base of RC limestone which is about half way up hill Limestone in two tiers, the lowest one 20 - 30' thick, variable with bioherms at base. above bioherms comes calcarenite often just fusuline limestone. Bottom of hill below ls is a shale slope. Above calcarenite the limestone is in form of concretions and lenses interbedded with yellow shale, but hill is capped by 5' bed in 2 tiers of fusuline ls Sample 732y from here
1023 [[left margin]] 39 [[/left margin]] 732z - above the upper limestone a patch of fine grained black l[[?]]nio[[?]]tan much fragmented and containing many ammonites 733a - coscinophora from low hill on SE side of 732x, y. April 9 Big piece of 732x to Garner have it sawed & polished Roland Hillock Texas Tech, Geoscience Dept Lubbock, Texas April 10 Field trip - lead 43 cars about 150 people to Decie Ranch locality and to Hess Ranch
1024 [[left margin]] 40 [[/left margin]] April 11 Check 732s on home map. 732s - Waagenoceras and Popanoceras found by Furnish, et al. 732z - Ammonite bed about 2' thick crumbly smooth argillaceous ls. Above it is much shattered bituminous ls. 3 - 4', some hard ls about 2' followed by yellow shale capping small hill Under the 2' bed of ammonites is 4 feet of yellow shale ^[[chert]] which separates the ammonites from the top of the Road Canyon. [[image: left margin geologic column as follows]] _____________ yel shale | 2' [[blue]] N [[/blue]] _____________ 4' | lenses of ls [[blue]] M [[/blue]] _____________ 2' | 733f [[blue]] L [[/blue]] _____________ platy Sil sh | 5' ? [[blue]] K [[/blue]] _____________ Fus | ls, 2' 733e [[blue]] J [[/blue]] _____________ platy sh | 4' [[blue]] I [[/blue]] _____________ Fus ls. | 3' 733d [[blue]] H [[/blue]] _____________ Shale | 20' | chert | [[blue]] G [[/blue]] _____________ Yellow | sh & bit | 22' [[blue]] E [[/blue]] platy ls | _____________ Platy | 7' [[blue]] E [[/blue]] sandy ls. | _____________ Massive | 3' 733c [[blue]] D [[/blue]] Fus. ls | _____________ gray | 35' [[blue]] C [[/blue]] shale | _____________ Fus. Ls. | 3' 733b [[blue]] B [[/blue}} _____________ gray | 30' [[blue]] A [[/blue]] shale | [[/image]] 733b - Fusuline ls. 3' thick with Megonsia. 733d - Fusulina bosei[[guess]] and may be upper part of Hills to southwest seem to have same sequence 733e north side hill top with platy siliceous rock above the ls. 733f - 2' crumbly shale with ammonite same as 732z 4' beds above 733f have loose fusulines at top, lime lenses with sponges and lenses of fine grained gray (bituminous) ls.
1025 [[circled]] 41 [[circled]] Above yellow shale is long slope to a high knob - shale for 0.2 mile. Then ss in slope for about 30' vertical. This is followed by softer shale for perhaps 40' which contains occasional lenses with tarry surfaces. This is followed by ss for 27'. This is followed by shale for 50' and then ss (more massive) for 33'. 733g - Collected by G. Wilde - from bituminous concretions. Knobs of ss lie between hill with 733b-g and hill 732t, u. Some of the ss contain Perrinites In morning we visited 732s locality and all agree that it is well up in the Word. The small knob on the west side of hill 4861 are mostly in sandstone. In some of the sandstones Perrinites was seen by Furnish and students. The low hill almost due west of 4861 contained two beds of ls separated by soft shale and was definitely upper Cathedral Mtn. The hill is capped by Road Canyon and this is corroborated
1026 [[circled]] 42 [[/circled]] by the presence on its north slope of the same ammonite zone seen at 7322. Above this was the same fusulinid and concretionary beds as just above 7322. Above the ammonite bed we walked for about 0.2 mile in yellow platy shale to the base of the big hill. Here the platy shale gave way to soft gray shale with small ball - like concretions like those seen on Sullivan Peak slope. It also had large bituminous concretions, some with black encrustations where fractured. The higher up we went the more sandstone we encountered in very thick beds. No float with fusulinids was seen on this very steep hill. At 732g (which Garner has) some fusulinids were taken in concretions. Some Ammonites were present but nothing that could be collected. The Road Canyon on these hills had little Biohermal material and many of the limestones are separated by shales or cherts suggesting that here the Road Canyon may be fraying out.
1027 [[left margin encircled]] 43 [[/left margin encircled]] April 12 A12 low hill on east side Dugout Mtn. Bluff of basal cgl. of Decie Ranch is 60' in face of hill putting base of cgl at about 4450' on slope. Dick makes the thickness in the scarp at 23 levels (=92') and 17 more (44') to top of hill The cgl is mostly a limestone cgl with limestone cobbles up to about a foot in diameter. In addition are chert, jasper and siliceous rock fragments ranging from sand size to 7" in diameter. Ls cobbles to chert cobbles about 60 - 40. Ls cobbles often tightly nested & comformable in shape. Dick suggests they were soft when deposited. Entire top of hill is cgl. which must be at least 150 feet thick. 733h - Top of cgl but also with cgl surrounding, patch of limestone with Scacchinella. Other patches not examined 733i - 30' (guess above base of Sullivan Peak. 733j - Coscinophora blocks 733k - fusulinids 30' below Coscinophora Difficult to decide if lower SP or top Pop. Tank. [[left margin vertical with left bracket connecting the last two paragraphs, 733i-k]] Basal SP or top Pt. [[/left margin]]
1028 [[left margin encircled]] 44 [[/left margin encircled]] 733 - Z - lens of limestone about 3' thick mostly of detrital material with much broken up shells and other clastic debris. Sponges on surfaces. Answers to Leonard #4 and is in right place. Saw Spyridiophora, Torynechus and numerous sponges on the surface. April 13. 0.2 E of 702 1.7 from Apple House to where we collected 733m. Spent part of morning trying to find King loc. 174 but got lost in the Cretaceous. Afternoon collected for 2 1/2 hours at 726y. Took two blocks called 733m which I hope contain [[underlined]] R. occidentalis. [[/underlined]] This species is common in the lower part of the cobbly and shaly beds just above the lower biohermal part of the Cathedral Mtn. Scattered bioherms also occur in these shales. Later in afternoon showed Iowa boys the 706b and 706e localities on Hess Ranch.
1029 [[circled]] 45 [[/circled]] April 14 Apple Ranch is 0.4 mile NE of site of Old Word Ranch. Walked ridge under upper part of Road Canyon. At 703 there are 40' of slope in platy bituminous ls and 30 feet of slope in dolomite that has big ls. boulders in base (all dolomitized) and is biohermal and very massive. 703 is nearer Old Word Ranch I think than we have given it. It is 30 feet below the hilltop at this place and occurs in the platy Road Canyon at the base of the dolomitic massive. 733n - Fusulines from about 20' below top of hill in about middle of platy Road Canyon. Also saw Liosotella Peniculauris and Coscinophora. Enormous thick bioherm here which fingers into the limestones 733o - 17 feet (vertical) under bioherm on nose of hill. Fusulinids in a 2' mass or lens. Lenses capped with siliceous skins just under bioherm (about 15' above 733o) = 733p No bioherms were seen at top of Road Canyon from ledge with Goniatites up & Apple place.
1030 [[circled]] 46 [[/circled]] No bioherms were seen at the base of the Road Canyon from the goniatite locality to the west clear to the end of the hill. The first Upper RC bioherm is opposite Old Word Ranch near the end of the ridge making 703a. The bioherm with goniatites at base is the first one W of Old Word Ranch and is about 0.25 mile west. 733r - same type of rock as HR 733s - light massive ls with fusulines extends up hill on S side small divide. I think it must the same bed as the white ls. on the low hill on the NE side of Leonard Mtn. Visited west end of hill 5305. At saddle soft layers contain blocks like H.R. Near base of hill a thick light-colored limestone can be traced over the saddle. It strongly suggests the Schwagerina crassitectoria beds of Leonard Mountain.
1031 [[circled]] 47 [[/circled]] April 15 At S 84[[degree symbol]] E of Hess Ranch we are on the large Coscinophora bioherm of which I have a slide. Coscin. extends half way up in the bioherm and is then cut off. [[sketch of geologic column in left margin]] --------| 1 | N --------| 15' | M --------| 4' | L --------| 10' | K --------| 16' | J --------| 5' | I --------| 733u 3' | H --------| 15' | G --------| 7' | F --------| 35' | E --------| 733v 3' | D --------| 6' | C --------| 11' | B --------| Cosc. | A 22' | --------| [[/sketch]] A - Coscinophora bioherm B - light gray bioherm sponges C - covered D - Massive flat bed with siliceous skins. & Fusulines = 733v. E - 35' light gray thick bedded limestone F - Darker gray, bedded limestone with 2" chert on top. G - Mostly covered but from float thin bedded siliceous shale and thin limestones H - Massive bed limestone = 733u cgl with cherty & siliceous masses I cherty brown shale J. Massive biohermal limestone K - yellow platy siliceous shale L - 3' - 4' ledge of light gray ls with fossils & siliceous masses M - 15' siliceous shale capped by one foot band of limestone = N Lenses of ls occasional in this interval this is an excellent place to collect. Paraceltites in bed N. Peniculauris in lenses of M.
1032 [[circled]] 48 [[/circled]] April 15 A15 - Spent morning on large bioherm with Coscinophora next east of the huge one just N of Leonard Mtn. The Coscinophora are only in the bottom half of the hump and are then cut off. Saw few fossils above them. Looked for ammonites between the upper and lower bioherms. Bed E is mostly fine granular limestone, calcarenite, with numerous well preserved fusulinids. This bed has the same lithology as seen at 726c where we found Perrinites and is about the same zone. We did not get precisely to 721r but it seems unlikely that any fossils from this hill could be Cathedral Mountain. All slopes below the Road Canyon are well covered. I feel absolutely sure that 721r is wholly Road Canyon. A15 is just west on the nose and is separated from 733t, u,v, by a gully
1033 [[encircled]] 49 [[/encircled]] Glass Mtns. Pictures B&W #1 - view on faulted area just S of Horst. to 20 views at 7260 and the Hess. 21 - 31 views at Wend W3 at Gilliland Canyon and of top of SKR on hill 5280 to end views from King loc. 104 looking at at end of Horst. #2 Decie Ranch looking at hill 5300 from East - 9 Sullivan Peak; 10 - 15 Road Canyon and Word #4 on Hess R. 16 - 25 Dugout Mtn. north slope Leonard 2 & 3. 26 - 28 - NW of Dugout Mtn. 29 & 30 Wolfcamp hills. To end Dugout Mtn. Knob with Ammonites #3 - 1 - Dugout Knob with ammonites to 18 - Dugout Mtn - east side - one looking NW at high Word section. 19 - 20 - Apple Ranch April 13. 21 - 25 Apple & Hess Ranches, 7260 on 25. To end of roll on Iron Mtn. Ranch Cossinophora beds.
1034 [[left margin encircled]] 57 [[/left margin encircled]] [[left margin]] Color [[/left margin]] - Roll 1 - Glass Mtns. views of Hess just NE of Hess Ranch from ridge N of ranch., Leonard Mtn. [[left margin]] Color [[/left margin]] #2 - Views on faulted area opposite Horst to 12 views of 7260 and Hess Ranch 13 - 23 views of end of out crop of W3 in Gilliland Canyon and of top of SKR on hill 5280 up to 32 - views from King 104 looking into Horst. To end Decie Ranch. #3 - 0 - 3 Decie Ranch, 4 - 9 Sullivan Peak 10 - 18 - Road Canyon & Word #4 on Hess Ranch 19 - end Dugout Mtn. #4 - 0 - 7 Dugout Mtn (mostly flowers) 8 - 19 - NW of Dugout Mtn (mostly flowers) 20 - 25 Field trip of April 10. To end - Dugout knob with ammonites. #5. 1 - Dugout knob with ammonites To 23 - Dugout Mtn east side - To finish Hess and Apple Ranches April 13th. #6 - 1 + 3 Hess Ranch, 4 - 6 Apple & Hess Ranches (7260 on 6). To 23 on Iron Mtn. Ranch mostly Road Canyon and Coscinophora
1035 [[circled]] 52 [[/circled]] Blocks 1965 721u--------- 7 726o--------- 6 723v--------- 1 707ha-------- 3 706b--------- 1 732c--------- 1 732e--------- 1 722-z-------- 6 5 732j--------- 3 733j--------- 2 733m--------- 2 706e--------- 2 733r--------- 1 2 733q--------- 1 726n--------- 2 --- 39 41 5090 pounds
1036 [[left margin encircled]] 53 [[/left margin encircled]] Big Bed Area of Texas Texas Geogr Svc. Vol 1, No 1 Dallas, 1937. April 16. Packed all blocks, bundled all bags and packages to total of 48. They weighed 5090 pounds. April 17 Shipped fossils by 10 AM then went down to Big Bend Park. We were unable to get lodging there so went on to Presidio. Trip up the Rio Grande was spectacular. April 18 From Presidio went down Rio Grande to Texas 118 to Alpine. Some fine Volcanic scenery along this route. Arrived in Marfa about 3:00 P.m. Saw Russell White in evening but were denied permission to visit his place because of lambing season. We visit Mrs. Johnson for permission to go to Ojo Bonito
1037 [[encircled]] 54 [[/encircled]] April 19 Mr. Russel White, 700 West 4th Marfa, Texas Cibolo Ranch Mrs. Loraine Love Johnson 4th and Plateau, Marfa, Texas In morning called on Mrs. Johnson for permission to visit area NW of Ojo Bonito. After considerable discussion she lead us to the place and we found the locality with ease. Here a cuesta faces southeast with a bold face. In front of this are dark shales of the alta formation that form the flat in front of the cuesta. These pass up into thick series of sandstones. The sandstones make up nearly the entire face of the cuesta except for the top. On the crest of the hill and on the NW slope for about 1/3 the distance down the slope are greatly altered unbedded, massive limestone which suggests bioherms like those seen in Alta creek forming the bluff along the creek. Farther down the hill [[left margin, diagram of geologic column]] --------------| Thin bed ls | & chert | --------------| Biohermal | ls | --------------| | ss | --------------| shale | [[/left margin diagram]]
1038 [[encircled]] 55 [[/encircled]] comes thin bedded limestone and thin bedded dark chert. Upward considerable platy, thin black shale appears. This rock which is suggestive of the beds above the bioherms at Cibolo creek extends to base of hill where it is in contact with yellow brown siliceous, thin-bedded rock strongly suggestive of the Word. The dark thin-bedded rock above the "bioherms" contains thin layers of limestone and some concretions both often with numerous fusulinids but no other good fossils were seen. The top most yellow beds also contain large black limestone concretions but they are without fossils. These beds are on the south part of the W.E. Love Ranch which is called the Dipper Ranch.
1039 April 20 Northwest of Ojo Bonito Section along a line N 70° W - dip = N 10° E 38° N Went back to Permian NW of Ojo Bonito. Walked long section near west end and on north side of road. This section started at road which ran on the contact of the "biohermal beds" and the lower cherts and went on through the latter into the Word type and beyond this into dark thin shale capped by a conglomerate which we think is cutaceous. [[image: left margin geologic column]] cgl | ------- 200' | A ------- 1/2' | B ------- 595' | C ------- 170' | D ------- 120' | "Bioherms" ? | E ------- [[/image]] A - Thin platy black shale, sandy, with some black ls. concretions occupied an interval of 166 paces = 415 feet = about 200' vertical B - 1/2 foot limestone band with large fusulines and a few brachiopods = 733z. C - An interval of 474 paces of yellow brown ss and siliceous shale with occasional gray ls. lenses, one about 40' from the base is of spirulite = 7.34a This equals a vertical thickness of about 595
1040 D. - Black thick-bedded chert passing upward into thin-bedded, black sandy shale covering an interval of 136 paces = about 170 feet vertical Fusulinids 40' below top = 734b. I estimate the so called biohermal zone at about 120' thick on the larger hill. In the upper part here on the south side of the road we found Ammonites, poor but common, in limestone masses. = 734c. Fusulinids 734d taken about 50' below base of Word type rock about 1/2 mile east of preceding section. 733y - cherty fusulinids taken on south westernmost hill and on east side creek at west end of section.
1041 April 21 734e - About 75' above the Hueco on last hill of Baylors, 25 miles N of Van Horn. = same loc. as 725c April 22. 0.55 mile north of Hueco Inn Productids. Part of afternoon spent at Texas Western College. April 23. Charles L. Thomas had Apple Ranch in 1945. April 24 [[left margin]] 741j [[/left margin]] A 24 - Small conical hill 1 1/4 miles West on old US 62 - 180 of Hueco Inn. About 25' - 40' above Powwow cgl. Mollusc-fusuline beds. [[left margin]] 741b [[/left margin]] A24^1 - On North side US 62 - 180, near top of hill, 1.55 miles west of Hueco Inn. About 10' above Powwow cgl. [[left margin]] 741c [[/left margin]] A24[[superscript]]2[[/superscript]] From "bioherm" near Alacran Peak [[left margin]] 741d [[/left margin]]] A24[[superscript]]3[[/superscript]], across gulley, S. of bioherm, small slab w/ Kozlowskia
1042 [[left margin]] 741e [[/left margin]] A244 - Wellerella beds below Grant reef. [[left margin]] 741f [[/left margin]] A245 - N Waide Cerro Alto where lower Hueco & intrusive melt [[left margin]] 741g [[/left margin]] A25u Crest of Northernmost hill, on N. side of road, in Upper Hueco (coarse calcarenite w/ crin. co ls.) ca 0.2 mi west of line intersectin Jim Tank & [[strikethrough]] Dolly [[/strikethrough]] Daily Tank Carlos Perez Manager 171 Maryland El Paso [[strikethrough]] Bob Anderson [[/strikethrough]] [[left margin]] General Manager [[/left margin]] Joe Mims P.O. Box 1000 Roswell N. Mex
1043 [[margin]] 741h [[/margin]] A26 - South side gully with Grant Reef, South of Alacran Mtn. Ledge below Reef level.
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