https://www.openlearning.com/u..../barbercastro-so9a86
To date, manufacturing from paleoplacers and their related reworked placers has been minimal, though the shear quantity of paleoplacer materials implies that these deposits ought to change into important sources of gold and other heavy minerals sooner or later. A number of mineralized porphyries have been acknowledged, however solely the Kirwin and Sunlight districts are accessible. Porphyries, veins, and disseminated gold mineralization have all been acknowledged in Wyoming
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