6R009A (Pleistocene of the United States)

Also known as 7R008A on Figure 4

Where: Clear Lake County, California (38.9° N, 122.9° W: paleocoordinates 38.9° N, 122.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Kelseyville Formation, Rancholabrean (0.3 - 0.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; unlithified, fine-grained, diatomaceous, silty claystone

• Diatomaceous fine gray silty clay

Size class: microfossils

Primary reference: J. P. Bradbury. 1988. Diatom biostratigraphy and the paleolimnology of Clear Lake, Lake County, California. Geological Society of America Special Papers 214:97-130 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184916: authorized by Pete Wagner, entered by Pete Wagner on 29.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Bacillariophyceae
 Achnanthales - Cocconeidaceae
 Melosirales - Melosiraceae
 Fragilariales - Fragilariaceae
Fragilaria construens diatom
Fragilaria construens venter
 Bacillariales - Bacillariaceae