Wilbur Womble Mine (Homestead & Boston), Elkhorn Station, Foothill Copper Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Wilbur Womble Mine (Homestead & Boston) | Mine |
| Elkhorn Station | - not defined - |
| Foothill Copper Belt | Belt |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 2' 35'' North , 120° 36' 27'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Angels Camp | 2,677 (2012) | 6.6km |
| Copperopolis | 3,671 (2011) | 7.5km |
| Vallecito | 442 (2011) | 12.8km |
| Tuttletown | 668 (2011) | 14.2km |
| Murphys | 2,213 (2015) | 16.6km |
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 | 7km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 42km |
Mindat Locality ID:
76210
Long-form identifier:
mindat:1:2:76210:3
GUID (UUID V4):
aa5828f9-a4cb-4913-b387-fdbc04905b1e
A former lode Au mine located in the NE¼ (estimated) sec. 29, T2N, R12E, MDM, 1.9 km (1.2 miles) ESE of Elkhorn Station (4 miles SW of Angels Camp). MRDS database accuracy for this location is not stated. Logan (1936) gives location as secs. 28 & 32, R12E.
Mineralization is a vein deposit hosted in slate and schist. The ore body strikes N40W and dips 35NE at a thickness of 30.48 meters. The vein is 17 feet thick with stringers. The auriferous ore zone is 50 to 150 feet thick (Logan (1936)). Altered basic dikes accompany quartz on both walls. Approximately 150 feet of the ore zone is a narrow belt of serpentine trending N40W. Meta-volcanic rocks of Late Jurassic age are in fault contact with the serpentine on the E. Tucker (1916) states that the footwall is black slate with soft gouge and the hanging wall is a hard diabase and that the Au values are in quartz stringers cutting schist. There is a massive outcrop of barren quartz. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include surface and underground openings with an overall depth of 40.23 meters and comprised of a 185 foot inclined shaft. There is a glory hole 200 feet long, 50 feet thick, and 100 feet wide/deep.
Production data are found in: Clark, Wm. B. & P.A. Lydon (1962).
No production records were found.
At the turn of the century (20th), it produced $1.50 to $2.00 (period values) free Au/ton from concentrate.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Unclassified | |||
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | Oxygen | |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10034709 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
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References
