Latitude: 33°25'52"N
Longitude: 110°45'42"W
A former underground Cu mine located about ¼ mile SE of Copper Hill ghost town site.
Mineralization is a vein which is undoubtedly a part of the Old Dominion-Iron Cap vein system, but the displacement on the vein fault is dying out to the northeast. At the Williams shaft the vertical displacement of the Barnes conglomerate by the Iron Cap vein fault is no more than 100 feet.
The Williams shaft was started in diabase on the hanging-wall side of the Great Eastern vein. It reached the top of the Mescal limestone at a depth of 400 feet and the Great Eastern vein at about 650 feet.
Oxidized ore was found east of the shaft on the first level. It extended 50 to 80 feet above the level but secondary chalcocite ore is reached a few feet below the level. On the west side of the shaft the top of the chalcocite zone is a little below the second level. The bottom of the zone is about 30 feet below the 4th. level on both sides of the shaft.
The major working is the Williams shaft. The first mine level is the 667, with four additional levels at about 100 foot intervals.
References
Peterson, N.P. (1962), Geology and ore deposits of the Globe-Miami District, Arizona, USGS PP 342: 106-110.
Mineral List
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