Luhr, James, Mexico, 1979-1980

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The field notes document the work of James F. Luhr in Mexico during November 11 - 18, 1979. Entries provide data on: date, location, description of terrain and geological foundations, their petrological and geological characteristics, and measurements in metric system. Data on specimens include: identifier (e.g. 1004-11), geological characteristics, color, notes on photography. Some comments were added after the entries were recorded. There are drawings of the cross sections of the geological structures with the indication of the location of the specimens. Some specimens are marked by * symbol and numbers.

Date Range


Start Date

Nov 11, 1979

End Date

Nov 18, 1979

Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at


  • Geology
  • Volcanology


  • Santa María del Oro
  • El Molcajete
  • Mexico


  • Fieldbook record
  • Field notes

Accession #

SIA Acc. 16-255

Collection name

National Museum of Natural History (U.S.), Department of Mineral Sciences, Curatorial Records, 1940-2016

Physical Description

field book

Physical Location

Smithsonian Institution Archives


Box 2 folder 23