UCMP V-3523, Elkinton Property (Miocene of the United States)

Where: Contra Costa County, California (37.9° N, 122.2° W: paleocoordinates 37.2° N, 118.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Orinda Formation, Clarendonian (12.5 - 9.4 Ma)

Environment/lithology: terrestrial; siliciclastic sediments

Size class: macrofossils

Reposited in the UCMP

Primary reference: R. A. Stirton. 1939. Cenozoic Mammal Remains From the San Francisco Bay Region. University of California Publications, Bulletin of the Department of Geological Sciences 24(13):339-410 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 19340: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• appears to be just east of the dividing line between the Orinda Fm. sensu stricto and the Contra Costa Group undifferentiated of Creely et al. 1982
this is the closest locality to a tuff of uncertain stratigraphic position in the Contra Costa Group dated by Creely et al. 1982 at 9.9 +/- 1 Ma (KA)
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Mammalia
 Artiodactyla - Camelidae
Camelidae indet.
Camelidae indet. Gray 1821 camel