Pole Canyon limestone is named for Pole Canyon on the west side of Mount Washington, southern Snake Range, White Pine Co, NV. No complete type section available. Consists of massive gray and white limestone. Informally divided into five members (ascending): 1) Member A; 415 ft thick; composed of massive dark gray crystalline limestone; locally white calcite blebs, veinlets, and GIRVANELLA-like forms produce mottled texture; at 30 and 85 ft above base, two yellowish gray quartzite units 3-5 ft thick are present, 2) Member B; 630 ft thick; massive, moderately coarse-grained, light gray limestone, 3) Member C; 160-320 ft thick; similar to Member A, 4) Member D; 220-380 ft thick; massive light gray limestone similar to Member B, 5) Member E; about 340 ft thick; light to medium gray limestone with pale red to yellow-brown argillaceous partings, and much varicolored shale near the top. Overall thickness is about 2000 ft. Conformably overlies the Pioche shale; unconformably (thrust faulted) underlies the Lincoln Peak limestone (new). Age is Middle Cambrian on the basis of fossils [trilobites].

Source: GNU records (USGS DDS-6; Menlo GNULEX).

Pole Canyon Limestone is geographically extended into the southern Schell Creek Range, Egan Range, and Cave Valley, in northern Lincoln Co, NV. Age is Middle Cambrian.

Source: GNU records (USGS DDS-6; Menlo GNULEX).