First used; intent to name not stated and no type locality designated. Origin of name not stated. Mapped in the Davis Mountains area, Jeff Davis Co, west TX in the Permian basin. Consists of vitric-lithic-crystal tuff and lapilli tuff. Locally contains conglomerate and sandstone, poorly bedded. Is white to light brown, gray, yellow, or green. Is as much as 340 ft thick. [Unclear on Correlation of Map Units if Frazier Canyon is part of Vieja Group.] Shown as above Adobe Canyon Formation (first used) and below Sheep Pasture Formation. [Author states that correlation of volcanic rocks from area to area on Marfa sheet is uncertain--little attempt is made to correlate between areas. The rocks are described by area.] Of Oligocene age. Geologic map.
Source: GNU records (USGS DDS-6; Denver GNULEX).
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