Latitude: 33°4'3"N
Longitude: 110°51'36"W
A former surface and underground Mn-Ba (Baryte) group of claims/mine/prospect located on 7 unpatented claims in sec. 24, T4S, R14E and in secs. 18 & 19, T4S, R15E, about 1½ mile S of Steamboat Mountain, and about 2¾ miles ENE of Kearny, on state land. Discovered 1963. Owned by Ms Florence Neatherlin (1941).
Mineralization involves zones of fracturing and brecciation, N20°W. The host rock unit is the Big Dome Formation (sandstone, conglomerate & tuff). The ore zone strikes N20W and dips vertically to steep SE at 1.22 meters wide. Lenses are up to a few tens of feet, widths up to 4 feet. Four parallel zones 50 to 200 feet apart.
Workings include scattered discovery pits and open cuts.
1942 assay was 30.2% Mn.
Mineral List
5 entries listed. 4 valid minerals.
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References
Dean, K.C., et al (1952), Concentration of oxide manganese ores from vicinity of Winkleman, Pinal County, Arizona, US Bureau of Mines Report of Investigation 4848.
Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese deposits of eastern Arizona, US Bureau of Mines Information Circular 7990: 152-153.
U.S. Bureau of Mines Information Circular 7990 (1961): 152.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 339.
USGS Hayden Quadrangle map.
Arizona Department of Mineral Resources U file.
U.S. Bureau of Mines file data.
MRDS database Dep. ID #10046297, MRDS ID #M241195; and Dep. ID #10234344, MAS ID #0040210372; and Dep. ID #10258868, MRDS ID #D000769, MAS ID #0040210008.
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