Kinselbach Mine (Acme), Plumbago, Alleghany Mining District (Forest Mining District), Sierra County, California, USAi
| Regional Level Types | |
|---|---|
| Kinselbach Mine (Acme) | Mine |
| Plumbago | - not defined - |
| Alleghany Mining District (Forest Mining District) | Mining District |
| Sierra County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 28' 18'' North , 120° 47' 56'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Downieville | 282 (2011) | 10.0km |
| Washington | 185 (2011) | 12.5km |
| Pike | 134 (2011) | 17.5km |
| Sierra City | 221 (2011) | 17.6km |
| Camptonville | 158 (2011) | 21.5km |
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 |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 36km |
A former lode Au occurrence/mine located in the SE¼SE¼ sec. 26 & in the E½NE sec. 35 and in the SE¼SE¼ & E½NW¼ (E¼SW¼ ?) sec. 36, T19N, R10E, MDM, 2.7 km (1.7 miles) NE of Plumbago, along the upper S slope of Lafayette Ridge (N canyon wall of Wolf Creek) (2¼ miles E of Alleghany), on National Forest land. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a vein deposit with pockets hosted in slate, aphanitic volcanic rock and schist. The ore body strikes N22W and dips 82E. The lode follows the Melones Fault that brings slate against schist. The fault is marked by heavy gouge at the contact. Parallel fault planes are a few feet E, within the amphibolite schist. The fault strikes N18-26W and dips 74E to vertical. No mineralization exists at the fault contact, but small quartz seams occur in crushed schist parallel to the fault. The lode has been traced up the ridge to the lava contact. Quartz gash-fracture fillings occur in both the foot wall and hanging wall. High-grade ore occurs in small pockets. Alteration includes carbonate. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains) and/or Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include surface & underground openings comprised of 2 adits and open cuts.
Production data are found in: McCulloch, W.C., Oesterling, W.A., Spurck, W.H., & Tischler, M.S. (1964).
No other production record was found.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10086522 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060910223
