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Replacement barite deposit, southern Independence Mountains, Nevada

October 28, 1975

Allochthonous Devonian chert, metaquartzite, and greenstone in the Blue Basin quadrangle,, southern Independence Mountains, Nevada, are mineralized with barite forming a deposit of possible commercial grade and size. Textural evidence indicates that the barite was deposited in the host rocks principally by replacement, to a lesser extent by a process involving displacement and expansion of the host-rock material, and to a very minor extent by fracture filling.