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USNM702a, Split Tank, Glass Mountains (Permian of the United States)

Also known as Reef 318

Where: Brewster County, Texas (30.4° N, 103.1° W: paleocoordinates 1.1° N, 33.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cathedral Mountain Formation, Kungurian (279.5 - 272.5 Ma)

• 143-173 feet above base of Formation. Leonardian (Cathedralian).

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified, fine-grained, green limestone

• Massive fine-grained greenish limestone abounding in small brachiopods together with some nautiloids.

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, chemical,

Primary reference: G. A. Cooper and R. E. Grant. 1972. Permian brachiopods of west Texas, I. Smithsonian Contributions to Paleobiology 14:1-231 [D. Bottjer/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 43492: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004

Creative Commons license: CC BY (attribution)