Ref.: Farnham, L.L. & L.A. Stewart (1958), Manganese deposits of western Arizona, US Bureau of Mines Information Circular 7843: 79-80.
Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 180 (Table 4).
Arizona Bureau of Mines file data.
A manganese mine located in the SW¼ sec. 25, T2S, R23W (protracted). Owned by N. & J.F. Powers.
Mineralization is pyrolusite with calcite, other carbonates, and wall rock breccia in discontinuous, lenticular shoots along a strong fracture zone cutting Tertoary andesitic volcanics.
Workings include a shaft(s) and open stope operations. This mine was worked from 1953 through 1956. It produced some 3,000 long tons of 25-30% Mn ore.
Mineral List
2 entries listed. 2 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please
register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
Mineral and Locality Search
