Volcanic Geology of the Davis Mountains, Trans-Pecos Texas: Second Year Report

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Date

1989

Authors

Henry, Christopher D.

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Abstract

This report describes the results of the second year of mapping of the volcanic rocks of the Davis Mountains, Trans-Pecos Texas. The Davis Mountains (fig. 1) constitute a major part of the eastern, alkalic belt of the Trans-Pecos volcanic field (Barker, 1977; Price and others, 1986). Yet, because of their volcanic and stratigraphic complexity, the Davis Mountains remain the most poorly mapped and least understood part of the field. Published geologic maps of the area (the Fort Stockton and Marfa sheets of the Geologic Atlas of Texas (McKalips and others, 1982; Twiss, 1979)) are based on regional, aerial photographic extrapolation of formations established in a few detailed studies.

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