Ref.: Farnham, L.L. & L.A. Stewart (1958), Manganese deposits of western Arizona, US Bureau of Mines Information Circular 7843: 79.
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 South-central sec. 35, T2S, R23W (protracted). Owned at times, or in part, by N. & J.F. Powers; and, the Manganese Mining & Milling Co.
Mineralization is pyrolusite with manganite and psilomelane, mixed with quartz and calcite, in irregular shoots in a lensing brecciated zone in Tertiary andesitic volcanics.
Workings include an adit and shaft operations. This mine was worked from about 1953 through 1958 and produced some 500 tons of 30-40% Mn ore.
Mineral List
4 entries listed. 3 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.