Latitude: 32°5'56"N
Longitude: 110°3'50"W
‡Ref.: Cooper, J.R. & L.T. Silver (1964), Geology and Ore Deposits of the Dragoon Quadrangle, Cochise County, Arizona, USGS PP 416: 168.
Livingston, D.E., Damon, P.E., Mauger, R.L., Bennett, R., and Laughlin, A.W. (1967) Argon 40 in cogenetic feldspar-mica mineral assemblages: Journal of Geophysical Research: 72(4): 1361-1375.
Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 187, Index of Mining Properties in Cochise County, Arizona: 58 (Table 4).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 5 (Table 1).
MRDS database Dep. ID file #10046186, MRDS ID #M241023; and, Dep. ID #10282815, MAS ID #0040030180.
A former small underground Cu-Ag mine located in West-central sec. 25 & East-central sec. 26, T.15S., R.22E. (Dragoon 7.5 minute topo map), on the SE edge of the town of Johnson. Owned in part, or at times, by the Mayflower Mining Co. and the Coronado Copper & Zinc Co.
Mineralization is copper carbonates in bedded, replacement deposits in tilted Cambrian Abrigo Limestone. Ore control was replacement beds near NE-trending faults and folds. The beds stike NW and dip 40NE. Alteration is limestone metamorphosed to tactite, either diopside-rich or garnet-rich. An associated rock unit is the Texas Canyon Quartz Monzonite (53 ± 3 MY).
Local structures include a massive fracture system, and Tertiary block faulting, tilting NE
Workings include shaft workings. About 250 tons of ore were shipped in 1907.
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