Oclese Sand (Miocene of the United States)

Where: Kern County, California (35.3° N, 119.3° W: paleocoordinates 34.5° N, 115.0° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Lower Member (Oclese Sand Formation), Middle Miocene (16.0 - 11.6 Ma)

• The lower 200 ft of Oclese Sand consists of lightly weathering tuffaceous very fine grained silty sandstone with scattered calcaerous sandstone concretions. Maximum thickness of the formation is approximately 1400 ft. Grades laterally into siltstone of the underlying Freeman Silt and is overlain by the Round Mountain Silt.

• member-level stratigraphic resolution

Environment/lithology: coastal; concretionary, tuffaceous, silty, calcareous sandstone

• Tuffaceous very fine grained silty sandstone with scattered calcaerous sandstone concretions

Size class: macrofossils

Preservation: concretion

Reposited in the CAS, LACM, UCMP

Collection methods: quarrying,

• Collections housed at various institutes: USGS (Wasington and Menlo Park), UCMP, LACM, CAS, Stanford University, UCLA, UCR.

Primary reference: W.O. Addicott. 1970. Miocene Gastropods and Biostratigraphy of the Kern River Area, California. United States Geological Survey Professional Paper 642:1-172 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38027: authorized by Austin Hendy, entered by Austin Hendy on 31.03.2004, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for gastropods; includes some occaisional other taxa
 Perissodactyla - Paleoparadoxiidae
Paleoparadoxia tabatai Tokunaga 1939 desmostylian