Latitude: 34°19'N
Longitude: 113°35'W
‡Ref.: Wilson, E.D. & Butler, G.M. (1930), AZ Bur. of Mines Bull. 127, Manganese ore deposits in AZ: 76; Jones, E.L., Jr. & F.L. Ransome (1920), Deposits of manganese ore in Arizona, USGS Bull. 710-D: 149; MRDS file #10027636.
A group of Mn claims located in sec. 3, T.11N., R.13W., about ¼ mile South of the McComas deposit, and in the same arroyo. Owned by J. Shanahan. Produced only during 1930.
Mineralization is a deposit that is the topmost stratum of red sandstone (Chapin Wash sandstone) that is partly replaced by manganese oxides. This bed is 3 feet thick and is exposed on the West bank of the arroyo for 600 feet. The sandstone beds strike N.25ºW. and dip 25ºW. The ore bed is displaced a few feet in several places by northerly faults that dip steeply East.
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