Stonewall Mine (Dime deposit; Stonewall Jackson; Old Stonewall), Dime & Stonewall deposits (Dime-Stonewall veins), Black Peak area, Copper Hill, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
A former underground Cu-Ag-Pb-Au-Mn-V mine located in the NE¼SE¼NW¼ sec. 22, T1N, R15E, on the SE slope of Copper Hill above McCormick Wash, about 1.3 miles due S of Black Peak, near Globe, on private property. Production of silver began in 1878. Operated intermittently about the turn of the 20th century. Previous owners and operators include: the Copper and Silver Zone Mines (Mr. W.R. Martin); the Globe Dominion Copper Co. (Mr. H.W. Clark)(1920's); and, Mr. J.H. Faught. The property was comprised of 25 claims in 1920. Additional names which apply to this property: Globe Dominion; Clark property.
Mineralization is the Stonewall vein and its junction with the Dime and Arizona veins (faults), hosted in Troy Quartzite and Martin Limestone. The ore zone strikes N68E and dips 55NW to vertical. The deposit lies in fault fissures in quartzite over a diabase sill. The ore occurs in both the diabase and the quartzite. The main fissure strikes N68E but intersecting fissures are also mineralized. The outcrop of the Stonewall fault is similar to that of the Buckeye vein, consisting mainly of quartz, specularite, cuprite, and copper carbonates and silicates. Mineralization was probably associated with an Early Tertiary, post-diabase intrusion period, although the nearest outcrop of Early Tertiary Schultze Granite is at the Old Dominion Mine to the W.
A substantial amount of ore has been extracted from shallow workings on the Stonewall fault near its junction with the Dime and Arizona faults.
Workings include a 2-compartment shaft 855 feet deep with cross cuts at the 500 foot levels, called the Clark and Faugh shafts. The developments total 91.44 meters in length and 260.6 meters in depth. Any production after 1921 was included in Old Dominion figures in ABGMT-USBM file data.
ReferencesDana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 1093.
Sanders, J. (1911), Hematite in veins of Globe district, Engineering and Mining Journal: 92: 1191-1192.
Weed, W.H. (1920) The Mines Handbook, Vol. XIV: 205-206.
Peterson, N.P. (1962), Geology and ore deposits of the Globe-Miami District, Arizona, USGS PP 342: 72, 98, 114-115.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 245.
U.S. Bureau of Mines - Arizona Bureau of Geology and Mining Technology file data.
U.S. Bureau of Land Management Mining District Sheet 172.
MRDS database Dep. ID #10046320, MRDS ID #M241227; and Dep. ID #10210027, MAS ID #0040070636.
Mineral ListMineral list contains entries from the region specified including sub-localities
8 entries listed. 5 valid minerals.
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New Locality Added: Almojafras Mine, Vila Verde de Ficalho, Serpa, Beja District, PortugalFrom Rui Nunes, 18th Dec 2014 15:54:31