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Manganese deposits of western Arizona.

Farnham-LL; Stewart-LA
Tucson, AZ: U.S. Department of the Interior, Bureau of Mines, IC 7843, 1958 Jan; :1-87
This paper is one of a series concerning the mineral resources of the Nation. It briefly describes most of the various known manganese deposits of western Arizona, which for the purpose of this report is considered to include the counties of Coconino, Maricopa, Mohave, Yavapai, and Yuma. With very few exceptions, these descriptions are the result of field examinations by the writers. The location of the deposits is described by section, township, and range in surveyed areas and by approximate projections of these subdivisions in unsurveyed areas. The township and range numbers refer to the Gila and Salt River base and meridian. This investigation was begun in March 1954, and during the following 2 years a total of 115 deposits had been examined. The distribution of deposits counties is as follows: 7 in Coconino, 23 in Maricopa, 32 in Mohave, 11 in Yavapai, and 42 in Yuma. The history, production, ownership, geologic setting, and mining methods are discussed for most of the deposits visited. Some deposits may have been overlooked, but all the principal ones have been examined. Some of the smaller deposits probably have been worked out since they were visited, as most of them were producing when examined. The Bureau of Mines plans to describe the manganese deposits in the remainder of the State in a later publication.
Mining-industry; Metals; Metal-mining
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Tucson, AZ: U.S. Department of the Interior, Bureau of Mines, IC 7843