Whitcomb Mine, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Whitcomb Mine | Mine |
| Pima Mining District | Mining District |
| Sierrita Mountains | Mountain Range |
| Pima County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
31° 57' 56'' North , 111° 5' 30'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Sahuarita | 25,707 (2017) | 12.9km |
| Green Valley | 21,391 (2011) | 15.4km |
| East Sahuarita | 1,622 (2006) | 15.6km |
| Summit | 5,372 (2011) | 17.4km |
| Valencia West | 9,355 (2011) | 18.7km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Old Pueblo Lapidary Club | Tucson, Arizona | 32km |
| Tucson Gem and Mineral Society | Tucson, Arizona | 32km |
Other/historical names associated with this locality:
Whitcomb property; Whitecomb Mine
‡Ref.: Galbraith, F.W. (1947), Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 22.
Cooper, J.R. (1960) Some geologic features of the Pima mining district, Pima County, Arizona: U.S. Geological Survey Bulletin 1112-C, p. 63-103, 1 sheet, scale 1:31,680.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 139 (Table 4).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 13 (Table 1).
USGS Twin Buttes Quadrangle topo map.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10026762, MRDS ID #M000120; and, Dep. ID #10283386, MAS ID #0040190443.
A former small underground Pb-Ag-Cu-Zn-Au mine located in West-central sec. 11, T.17S., R.12E. (Twin Buttes 15 minute topo map), near the Olivette Mine and ½mile south of San Xavier on private land. Produced 1900-1948. Owned/operated at times, or in part, by the Whitcomb Mining & Milling Co.; and the Associated Mining & Milling Co., Ross Barkley, and J.E. Fisher.
Mineralization is partly oxidized lead-silver and minor copper and zinc minerals in replacement lenses, nodules, and pockets along a quartz fissure zone in altered and brecciated Cretaceous sedimentary and volcanic rocks within the San Xavier thrust fault sheet. The Cretaceous rocks are composed of arkose, quartzite, conglomerate, shale, limestone, andesite, and rhyolite.
Workings include an inclined shaft operation. Worked sporadically from the early 1900's to 1948, producing some 900 tons of ore averaging about 8% Pb, 9 oz. Ag/T, 0.75% Cu, 0.5% Zn and minor Au.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Stibnite | 2.DB.05 | Sb2S3 |
Other Databases
| Link to USGS MRDS: | 10026762 |
|---|
Other Regions, Features and Areas containing this locality
Mexico
- Sierra Madre OccidentalMountain Range
North AmericaContinent
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mazatzal DomainDomain
- Southern Basin and RangeWide Rift
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