Felton (Love Creek - Rices Mudstone Member) (Eocene of the United States)

Also known as Rices Mudstone Member, San Lorenzo Formation (Love Creek, Felton)

Where: Santa Cruz County, California (37.1° N, 122.1° W: paleocoordinates 36.1° N, 111.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Rices Mudstone Member (San Lorenzo Formation), Priabonian (38.0 - 33.9 Ma)

• Rices Mudstone Member is estimate to be as thick as 275 m; conformably overlain by Vaqueros Sandstone or Zayante Sandstone

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, fine-grained, concretionary, gray siltstone

• Well-sorted, very fine to fine-grained, biotite-bearing, arkosic sandstone with scattered round carbonate concretions that average 30 cm in diameter. The sandstone is medium light gray where fresh and pale yellowish brown where weathered.

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 37515: authorized by Austin Hendy, entered by Austin Hendy on 16.03.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Representative for molluscan taxa; does not include mentioned foraminifera
Bivalvia
 Cardiida - Tellinidae
"Tellina cf. lorenzoensis" = Tellina (Eurytellina) lorenzoensis
"Tellina cf. lorenzoensis" = Tellina (Eurytellina) lorenzoensis Arnold 1908 tellin clam
 Nuculida - Nuculidae
Acila sp. Adams and Adams 1858 divaricate nutclam
 Protobranchia - Yoldiidae
Yoldia sp. Möller 1842 clam
Gastropoda
 Neogastropoda - Turridae
"? Pleurotoma perissolaxoides" = Turris
"? Pleurotoma perissolaxoides" = Turris turrid