USGS M5060, Majors Creek (Miocene of the United States)

Where: Santa Cruz County, California (37.0° N, 122.1° W: paleocoordinates 36.2° N, 117.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lompico Sandstone Formation, Langhian (16.0 - 13.8 Ma)

• Up to 240 m thick; intertongues with Monterey Formation; angular unconformity with Butano Sandstone below; noncomformably overlies crystaline basement in places, also Locatelli Formation and Zayante Sandstone; conformably overlain by Monterey Formation

• bed-level stratigraphic resolution

Environment/lithology: coastal; medium-grained, gray, yellow sandstone

• Thick-bedded to massive yellowish-gray arkosic sandstone; light-gray, moderately sorted, granular medium-grained, biotite bearing arkosic sandstone

Size class: macrofossils

Reposited in the UMMP

Collection methods: quarrying,

• Also collections at USGS, Menlo Park

Primary reference: J. C. Clark. 1981. Stratigraphy, paleontology, and geology of the Central Santa Cruz Mountains, California Coast Ranges. United States Geological Survey Professional Paper 1168:1-51 [A. Miller/A. Hendy/R. McClees-Funinan]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 37535: authorized by Austin Hendy, entered by Austin Hendy on 16.03.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Comprises single mention of molluscan taxa
 Pectinida - Pectinoidae
Lyropecten crassicardo Conrad 1856 scallop