Mystery Hill Mine group, Swansea, Santa Maria Mining District (Planet Mining District; Swansea Mining District; Bill Williams Mining District), Buckskin Mountains, La Paz County, Arizona, USAi
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Latitude & Longitude (WGS84):
34° 10' 46'' North , 113° 50' 35'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Bouse | 996 (2011) | 31.3km |
| Parker Strip | 662 (2011) | 33.0km |
| Cienega Springs | 1,798 (2011) | 35.1km |
| Utting | 126 (2011) | 38.1km |
| Bluewater | 725 (2011) | 38.8km |
A former underground Cu-Ag-Au-Pb-Fluorspar-(Se) mine group located in West-central and the SE¼ sec. 17 and the East-central and center parts of sec. 18, T10N, R13W, GSRM, (Ives Peak 15 minute topo map), 1.1 km (0.7 mile) NNE of Swansea and East of the Arizona-Montana Mines, 4½ miles E of Planet, 25 miles NE of Bouse, on federal wilderness land (Buckskin Mountains Wilderness area). Started in the late 1800's and operated sporadically until 1945. Owned at times, or in part, by Graves; Rogers; Haydon and Farmosano; Quick; El Tigro Mining Co.; El Pluma Mines, Inc.; Townsend Mining Co.; French; Coronation Mining Co.; Boyd and Napel; and, Ore Concentrates, Inc. MRDS database stated accuracy for this location is 100 meters.
NOTE: Alternate coordinates provided: 34.20833N, 113.63556W; and, 34.2064N, 113.6367W.
Mineralization is copper carbonates and silicates, with local lead carbonate, in fissure veins associated with strong silicification and some epidote, fluorite and selenite, in altered Precambrian schist and gneiss along predominently NW-trending, NE-dipping fault zones. The mineralization is Oligocene in age. Scattered erosional remnants of Paleozoic limestone with intrusive plugs and dikes of Laramide monzonite containing Paleozoic limestone inclusions. The mineralization is associated with low-angle detachment faulting; ore bodies are within and immediately above the micro-brecciated detachment surface; irregular hydrothermal replacement. Local rocks include Jurassic to Cambrian metamorphosed sedimentary rocks and/or Tertiary to Early Proterozoic gneissic rocks.
Regional geologic structures include a regional trend: blanket.
First worked in the late 1880's, and sporadically through 1945. Produced over 500 tons of ore averaging about 3% Cu, 2 oz. Ag/T, 0.5% Pb, and 0.1 oz Au/T.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities4 valid minerals.
Detailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 3 - Halides | |||
|---|---|---|---|
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Cerussite | 5.AB.15 | PbCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| ⓘ | var. Selenite | 7.CD.40 | CaSO4 · 2H2O |
| Group 9 - Silicates | |||
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| H | ⓘ Gypsum var. Selenite | CaSO4 · 2H2O |
| C | Carbon | |
| C | ⓘ Cerussite | PbCO3 |
| O | Oxygen | |
| O | ⓘ Cerussite | PbCO3 |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| O | ⓘ Gypsum var. Selenite | CaSO4 · 2H2O |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| Al | Aluminium | |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | Silicon | |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| S | Sulfur | |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| S | ⓘ Gypsum var. Selenite | CaSO4 · 2H2O |
| Ca | Calcium | |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
| Ca | ⓘ Gypsum var. Selenite | CaSO4 · 2H2O |
| Fe | Iron | |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Pb | Lead | |
| Pb | ⓘ Cerussite | PbCO3 |
Other Databases
| Link to USGS MRDS: | 10027673 |
|---|
Localities in this Region
- Arizona
- La Paz County
- Buckskin Mountains
- Santa Maria Mining District (Planet Mining District; Swansea Mining District; Bill Williams Mining District)
- Swansea
- Mystery Hill Mine group
- Swansea
- Santa Maria Mining District (Planet Mining District; Swansea Mining District; Bill Williams Mining District)
- Buckskin Mountains
- La Paz County
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID # 0040120355
