Uranium mining in the United States 1954 in the Sierra Nevada of Kern County, along the Kern River about northeast of Bakersfield. Two mines, the Kergon mine and the Miracle mine, made small shipments in 1954 and 1955. Uranium occurs as uraninite and autunite in shear zones in granodiorite. Accessory minerals include fluorite and the molybdenum minerals ilsemanite and jordisite. The first uranium identified in the US was pitchblende from the Wood gold mine at Central City, Colorado in 1871. Uranium mining in southwest Colorado goes back to 1898. The Uravan district of Colorado and Utah supplied about half the world's radium from 1910 to 1922,
Jaduguda uranium mine mines and the smugglers were trying to sell it to Nepal. The market value of the seized uranium was estimated at on the international market. When uranium ore is extracted from the ground, 99.28% of the mined ore is treated as waste as the uranium isotopes used in nuclear power plants mainly is uranium-235 leaving behind the major portion of the ore which constitutes of uranium-236 and uranium-238 as well as some other components. This waste (also referred to as tailings) is then neutralised with lime and carried through pipelines to a tailing pond. This transport is made possible through