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In 1944, uranium mining under the U.S military's Manhattan Project began on Navajo Nation lands and on Lakota Nation lands. On August 1, 1946, the responsibility for atomic science and technology was transferred from the military to the United States Atomic Energy Commission.
The tribe in 2005 banned uranium mining across the sprawling reservation, pointing to the painful legacy of contamination, illness and death that was left behind by the extraction of nearly 30 ...
The Navajo Nation planned Tuesday to test a tribal law that bans uranium from being transported on its land by ordering tribal police to stop trucks carrying the mineral and return to the mine ...
A Navajo discovered uranium in 1942 in Monument Valley on the Navajo Nation in northeast Arizona. The first mine in the district opened in 1948. Uranium and uranium-vanadium minerals occur in fluvial channels of the Shinarump Sandstone member of the Triassic Chinle Formation. Ore deposits are associated with carbonized wood in the sandstone. [2]
A uranium producer has agreed to temporarily pause the transport of the mineral through the Navajo Nation after the tribe raised concerns about the possible effects that it could have on the ...
The Navajo tribe, whose reservation contains much of the known ore deposits, declared a moratorium on uranium mining in 2005. [ 17 ] The tailings dam failure that caused the Church Rock uranium mill spill on July 16, 1979, remains the largest release of radioactive material in U.S. history.
Oct. 12—Nearly four decades after a uranium mine on Navajo land closed up shop, a site was proposed for permanent storage of its waste left behind. A portion of the municipal Red Rock Landfill ...
During the late 1970s and through the 1980s, Mohave and Coconino County, Arizona, immediately north and south of the Grand Canyon and west of the Navajo Indian Reservation were explored for Arizona breccia pipe uranium mineralization. The search area included the region between the Colorado River and the Utah border known as the “Arizona ...