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Carbonate Shelf Sequence - Cherty limestone, dolomite, shale, and sandstone (NVPc;0)

Geologic Formation in NV

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Lithology

Dolostone

Limestone

Shale

Other (1,809 mi²)

Geologic Age

Cisuralian – Guadalupian (299.05 Ma – 260.2 Ma ago)

Geologic Unit Label

These Permian rocks include cherty limestone, dolomite, shale, sandstone, bioclastic limestone, and phosphatic limestone exposed in Elko, White Pine, Lincoln, and Clark counties. This unit includes rocks mapped as the Phosphoria Formation; the Gerster Limestone, Plympton Formation, Kaibab Limestone, and Grandeur Formation of the Park City Group; the Park City Group undivided; the Toroweap Formation; and the Coconino Sandstone. Unit Pc is disconformably overlain by Triassic unit TRmt in scattered places in eastern and southern Nevada. It depositionally overlies unit Psc. It matches closely with unit Pc of Stewart and Carlson (1978).

— USGS

Taxonomy

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Geologic Formation