____________________________________ _ History of mining and production ________________ _ General description...States. FIGURE 1. Map showing location of uranium-mining districts in West-Central United States-------------------------2...outcrop of the Coconino Sandstone in the Grand Canyon area, Arizona ___ --------- ______ --------- ________...positions and shapes of sandstone pipes in the Grand Canyon area, Arizona ___________ -------------Β· Β·---------...generally forms uranium-rich minerals, such as uraninite (pitchblende), which-in sufficient quantityare
transparent, tabular microcrystals on matrix of white dolomite, and rarely as doubly terminated crystals...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...northeast of the town of Litchfield, where a mass of white quartz on a ridge had once been mined for quartz...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely
Happy Jack Mine, White Canyon Mining District, San Juan County, Utah, USA