Also known as San Margarita Sandstone - Scotts Valley, Felton, Santa Cruz
Where: Santa Cruz County, California (37.0° N, 122.0° W: paleocoordinates 36.3° N, 118.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: San Margarita Formation, Serravallian (13.8 - 11.6 Ma)
• Reaches a maximum thickness of 130 m; unconformably overlies granitic basement, Locatelli, and Monterey Formation; conformably overlain by Santa Cruz Mudstone
• bed-level stratigraphic resolution
Environment/lithology: coastal; unlithified, gray, white, yellow 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 37544: authorized by Austin Hendy, entered by Austin Hendy on 16.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Astrodapsis cf. arnoldi Clark and Twitchell 1915 sand dollar | |
Bivalvia | |
Patinopecten healeyi Arnold 1906 scallop |