Abstract

The Red River mineral provenance is located in the Taos Range which comprises the western part of the Sangre de Cristo Mountains, Taos County, New Mexico. Detrital materials are derived from Pre-Cambrian gneisses, schists and granites, Carboniferous sediments, Tertiary igneous rocks, and contact zones formed by the igneous rocks. Hand specimens, thin sections, optical properties, and inclusions were used to identify the individual source rock. Practically all the heavy minerals as well as quartz are derived from the Pre-Cambrian rocks. The Tertiary igneous rocks supply an abundance of quartz, some feldspar, and a minor quantity of magnetite, epidote, zircon, rutile and mica. The contact zones contain molybdenite, fluorite, pyrite, chalcopyrite and mica.

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