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A mineral investigation in the nearly contiguous Black Butte and Elk Creek Roadless Areas of northern California, indicates that small parts of both roadless areas have a probable mineral-resource potential for small manganese-copper- or chromite-type deposits. There is little promise for the occurrence of energy resources in the areas. Investigation of geothermal resource potential and of the potential for other hydrothermal base- and precious-metal mineralization should be initiated.
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BLACK BUTTE AND ELK CREEK ROADLESS AREAS, CALIFORNIA.
Geological Survey Professional Paper (United States)