Silver Strike Mine (Silverstrike Mine; Devonian group; Cawood Mine; Tennessee shaft), Government Peak, Teviston Mining District, Dos Cabezas Mountains, Cochise County, Arizona, USAi
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Latitude & Longitude (WGS84):
32° 10' 57'' North , 109° 29' 35'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
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 |
|---|---|---|
| Sunsites Gem and Mineral Club | Pearce, Arizona | 44km |
A former small underground Pb-Ag-W-Cu-Zn-Au mine located in South-central sec. 28 & North-central sec. 33, T.14S., R.28E., 2.9 km (1.8 miles) SE of Government Peak (coordinates of record), and 2 miles NNW of Apache Pass. 8 unpatented claims by the Silver Strike Mining Company, 1919. Discovered 1890. Owned and operated by James and Morris Cawood 1939 to 1955. Owned by the Silver Strike Mining Co. and the Devonian Strategic Minerals, Inc. Operated by F.W. & Pauline Clark (1956).
Mineralization is spotty argentiferous galena with other minor sulfides in a quartz plug along a fissure vein cutting Paleozoic and Cretaceous rocks (sandstone), close to a Laramide granitic intrusive. Spotty scheelite occurs in shear zones and quartz bodies in pyrometamorphosed Paleozoic limestone, along with copper and iron oxides. Host rock units are the Portal Formation, the Elpaso Formation, and the Bolsa Quartzite. Alteration includes tactite along intrusive contacts with garnet, epidote, and augite. The limestone is altered to the tactite.
Local structures include a strike-slip fault with approximately 1000 feet (300 meters) displacement approximately 1000 feet (300 meters) west of the mine. Paleozoic limestone with quartz monzonite intrusives is located nearby. Sediments unconformably overly Precambrian Pinal Schist. The intrusive dikes are vertical. NE-trending, 5 to 15 feet wide limestone beds strike WNW and dip 65-70SW.
Workings include adit and shaft openings. The 300 foot deep shaft was inaccessible in 1960. Other workings include an 80 foot inclined shaft and a 600 foot branching tunnel. Workings are 304.8 meters in length, 182.88 meters in overall length and 91.44 meters deep. A few hundred tons of lead-silver ore were produced intermittently between the late 1890's and 1919. Explored for tungsten in 1942.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ Galena Formula: PbS |
| ⓘ Galena var. Silver-bearing Galena Formula: PbS with Ag |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Scheelite Formula: Ca(WO4) Description: Spotty. As deposits along foliation in the Early Proterozoic Pinal Schist. |
| ⓘ Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | var. Silver-bearing Galena | 2.CD.10 | PbS with Ag |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 9 - Silicates | |||
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Unclassified | |||
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | Oxygen | |
| O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Mg | Magnesium | |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Al | Aluminium | |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | Silicon | |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| S | ⓘ Galena var. Silver-bearing Galena | PbS with Ag |
| Ca | Calcium | |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Scheelite | Ca(WO4) |
| Fe | Iron | |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Ag | Silver | |
| Ag | ⓘ Galena var. Silver-bearing Galena | PbS with Ag |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Galena var. Silver-bearing Galena | PbS with Ag |
Other Databases
| Link to USGS MRDS: | 10048229 |
|---|
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
- Pedregosa BasinBasin
- Southern Basin and RangeWide Rift
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