Tecumseh Mine, Telegraph City, Foothill Copper Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Tecumseh Mine | Mine |
| Telegraph City | Unincorporated Community (Former) |
| Foothill Copper Belt | Belt |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 56' 56'' North , 120° 43' 5'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Copperopolis | 3,671 (2011) | 7.6km |
| East Oakdale | 2,762 (2011) | 19.4km |
| Angels Camp | 2,677 (2012) | 20.5km |
| Valley Home | 228 (2011) | 21.6km |
| Tuttletown | 668 (2011) | 23.1km |
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 |
|---|---|---|
| Calaveras Gem & Mineral Society | Angels Camp, California | 20km |
| Mother Lode Mineral Society | Modesto, California | 42km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 50km |
A former lode Au-Cu mine located in the NE¼ sec. 11 & NW¼ sec. 12, T1N, R11E, MDM, 2.5 km (1.6 miles) NE of Telegraph City, S of Boucher Mountain (5 miles SW of Copperopolis). MRDS database stated accuracy for this location is 100 meters.
Mineralization is a vein deposit hosted in greenstone and talcose schist. The ore body strikes N10W and dips 75SW. The vein is 5 feet thick. Sulfides are abundant in the vein and in adjacent wall rock. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include underground openings with an overall depth of 121.92 meters, and comprised of a 400 foot shaft with levels at 100 foot intervals.
Production data are found in: Clark, Wm. B. & P.A. Lydon (1962).
Copper cement may have been produced after the 1870's. The ore yielded $25 to $40 (period values) per ton.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | Oxygen | |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10028625 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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