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Mule Mts, Cochise Co., Arizona, USA
Lavender Open Pit Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
Photo: 2004 Peter Cristofono
Photo: 2004 Peter Cristofono
Latitude: 31°26'39"N
Longitude: 109°51'43"W
Longitude: 109°51'43"W
Hayes, P.T. & E.R. Landis (1965), Paleozoic Stratigraphy of the Southern Part of the Mule Mountains, Arizona, USGS Bull. 1201-F.
Hayes, P.T. (1970) Mesozoic stratigraphy of the Mule and Huachuca Mountains, Arizona: U.S. Geological Survey Professional Paper 658-A, 28 p.
Keith, Stanley B., Wilt, J.C., Lynch, D., Deal, E.G., Clemons, R.E., and Forrester, J.D. (1978) First day - Road log from Lordsburg to Douglas via Granite Gap and San Bernardino Valley with an extension to the southern end of the Mule Mountains, in Callender, J.F., Wilt, J.C., Clemons, R.E., and James, H.L., eds., Land of Cochise, southeastern Arizona: New Mexico Geological Society 29th Field Conference Guidebook, p. 1-30.
Yale Peabody GNIS database.
The Mule Mountains are approximately 20 miles long by 6 to 12 miles wide and attain a maximum altitude of 7,400 feet. They have been described as a large faulted and intruded northwest-trending anticline (Ransome, 1904). Parallel or coincident with the anticlinal axis is the Dividend fault, along which major movement took place after deposition of the Paleozoic rocks and before intrusion of the Juniper Flat Granite of Jurassic age. Vertical displacement on the fault was probably as great as 5,000 feet. On the upthrown block northeast of the Dividend fault, the Paleozoic rocks were removed by pre-Cretaceous erosion, and Cretaceous rocks there rest on Precambrian rocks and on the Juniper Flat Granite.
On the downthrown blcok southwest of the Dividend fault, the surface rocks are mainly Precambrian and Paleozoic rocks that have been intricately faulted and intruded by satellite dikes of the Juniper Flat Granite and later intrusive bodies. Most of the faults involving the Paleozoic rocks in the SW part of the Mule Mts trend either NW or NE, and are older than the Juniper Flat Granite. The faulting is of such magnitude and complexity that stratigraphic horizons can not be traced far laterally.
Both Bisbee and Warren lie along the Dividend fault in the middle of these mountains.
Mineral List
Mineral list contains entries from the region specified including sub-localities328 entries listed. 283 valid minerals. 6 type localities (valid minerals).
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New Locality Added: Nonnersdorf, Maria Laach am Jauerling, Waldviertel, Lower Austria, AustriaFrom Peter Neschen, 25th May 2013 10:19:45