Progress Reports
E-4*: Zinc-lead-copper Trace Contents in Tres Hermanas Stock, Luna County, New Mexico
by P. Doraibabu and P. D. Proctor, 1972, 9 p.
(*The first 7 publications in this series were designated "target exploration" reports)
Zinc, lead and minor copper-bearing replacement-type and vein-type deposits occur in Paleozoic sedimentary rocks and Tertiary volcanic rocks adjoining the Tres Hermanas granite-quartz monzonite stock, Luna County, New Mexico. Trace metal zinc, lead and copper anomalies are spatially related to each other within the stock. Zinc and lead anomalies are almost congruent. Spatial relationship exists between the anomalous trace concentrations of zinc-lead-copper in the stock and the external hydrothermal deposits in the Paleozoic sedimentary rocks and Tertiary volcanics. In the alluvial area north of the stock anomalies of zinc, lead and copper occur. These anomalous values suggest possible nearby sources of metal content in the bedrock.
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