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C-31, Potter Ridge, Klamath Mountains (Permian of the United States)

Where: California (40.8° N, 122.3° W: paleocoordinates 13.1° N, 43.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: F Member (McCloud Formation), Sakmarian (295.0 - 290.1 Ma)

• About 1545 feet above base of McCloud limestone at this locality, and about 100 feet below base of very thick dike near top of McCloud Limestone section.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: microfossils

Collected by Skinner, Wilde

Collection methods: peel or thin section,

• Repository: not stated, presumably Humble Oil Company

Primary reference: J. W. Skinner and G. L. Wilde. 1965. Permian biostratigraphy and fusulinid faunas of the Shasta Lake area, northern California. University of Kansas Paleontological Contributions, Protozoa 6:1-98 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128683: authorized by Matthew Clapham, entered by Matthew Clapham on 15.06.2012

Creative Commons license: CC BY (attribution)