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Stocks cutting Cretaceous and Cenozoic rocks contain disseminated copper minerals; the enclosing hornfels aureole, about four miles wide, contains veins with lead and copper and limestone-replacement bodies of iron sulfide or oxide. The contact aureole is readily identified on aerial photographs by its dark tone, rugged topography, and abundant dikes. Color photographs or special film-filter combinations would be useful for detecting the red and yellow soils mantling sulfide-rich rocks.
This record provided courtesy of AGI/GeoRef.
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R. H. Sillitoe Metallogenic evolution of a collisional mountain belt in Pakistan: a preliminary analysis Journal of the Geological Society, August 1, 1978; 135(4): 377 - 387. [Abstract] [PDF] |
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