New Pass Mine, Austin, Central Nevada (Triassic of the United States)

Where: Nevada (39.6° N, 117.5° W: paleocoordinates 8.1° N, 43.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Augusta Formation, Ladinian (242.0 - 237.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm

• The regional setting of the New Pass Mine area during the Late Triassic was a broad shallow embayment in an arid region.
• The buildup was assigned to a mollusk-echinoderm grainstone facies and a coral-bivalve bindstone-packstone facies. An oolite-algal grainstone is found in direct contact with both the biofacies.

Primary reference: N. M. Fraser. 1997. Large epifaunal bivalves from Mesozoic buildups of Western North America. [D. Bottjer/C. Powers/C. Jamet]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 33438: authorized by David Bottjer, entered by Catherine Powers on 30.07.2003, edited by Wolfgang Kiessling

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Hexacorallia -
Scleractinia indet. Bourne 1900 stony coral
 Scleractinia - Astraeomorphidae
Astraeomorpha sp. Reuss 1854 stony coral
Bivalvia
 Megalodontida - Megalodontidae
Neomegalodon sp. Guembel 1864 clam