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Nonpegmatitic beryllium occurrences in Arizona, Colorado, New Mexico, Utah, and four adjacent states.
Tucson, AZ: U.S. Department of the Interior, Bureau of Mines, RI 6828, 1966 Jan; :1-68
The nonpegmatitic sources of beryllium in Arizona, Colorado, New Mexico, Utah, and four adjacent states investigated by the Bureau of Mines are described. The investigations included 155 properties from which over 6,200 rock samples were collected; more than 5,500 samples were analyzed by the nuclear beryllium-detection technique. Twenty-four of the properties examined had rock containing more than 0.10 percent BeO. Many of the beryllium determinations were made in the field with portable detection instruments by direct scanning outcrops and by testing samples of rock brought to the instrument. The large domestic resources of low-grade nonpegmatitic beryllium ore in Utah, which were discovered by private enterprise and which respond favorably to small-scale treatment processes, may come into commercial use and thus reduce the dependence of the United States on imported beryl.
Mineral-deposits; Minerals; Mining-industry; Metallic-minerals; Metals
Report of Investigations
Tucson, AZ: U.S. Department of the Interior, Bureau of Mines, RI 6828
AZ; CO; NM; UT
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division