By Chance Mine (VO Mine; V.O. Mine; Copper U O claims), Gurli Put Vo, Brownell Mountains, Quijotoa Mining District, Quijotoa Mountains, Pima County, Arizona, USAi
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Latitude & Longitude (WGS84):
32° 13' 41'' North , 112° 7' 3'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Maish Vaya | 158 (2011) | 6.8km |
| Santa Rosa | 628 (2011) | 12.8km |
| Anegam | 151 (2011) | 18.0km |
| Wahak Hotrontk | 114 (2011) | 23.9km |
| Pisinemo | 321 (2011) | 28.5km |
‡Ref.: US Atomic Energy Commission Preliminary Reconnaissance Report Pima County (1953): 656.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 140 (Table 4).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 12 (Table 1).
USGS Quijotoa Mountains Quadrangle topo map.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10210817, MAS ID #0040190144.
A former surface and underground Ag-Cu-Au-U mine located in the NW¼NE¼NE¼ sec. 12, T.14S., R.2E. (Quijotoa Mts 15 minute topo map). Owned by Childs; Calloway; and the H.M. Mining Co.
Mineralization is disseminations and fracture fillings of copper carbonates with hematite and limonite in shattered siliceous Laramide rhyolite.
Workings include shaft and open cut operations. Produced some 1,900 tons of ore averaging about 1% Cu and 5 oz. Ag/T in the 1950's. Sold as smelter flux.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ 'Limonite' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
Other Databases
| Link to USGS MRDS: | 10210817 |
|---|
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
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
USA
- Arizona
- ⭔Tohono O'odham ReservationReservation
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