Lonesome Pine Mine, Cornish House, American Hill Mining District, Sierra County, California, USAi
| Regional Level Types | |
|---|---|
| Lonesome Pine Mine | Mine |
| Cornish House | - not defined - |
| American Hill Mining District | Mining District |
| Sierra County | County |
| California | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
39° 31' 46'' North , 120° 45' 50'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Downieville | 282 (2011) | 6.3km |
| Sierra City | 221 (2011) | 11.9km |
| Washington | 185 (2011) | 19.1km |
| Pike | 134 (2011) | 22.5km |
| Camptonville | 158 (2011) | 25.9km |
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 | 43km |
A former lode Au occurrence/mine located in sec. 8, T129N, R11E, MDM, 3.2 km (2.0 miles) NNE of Cornish House,N of Carney Creek (tributary of Jim Crow Creek), E of Jim Crow Creek, and SSW of Quartz Point (summit) (3¼ miles SE of Downieville), on National Forest land. MRDS database stated accuracy for this location is 500 meters. Adjoins the Papoose Mine.
Mineralization is a vein deposit with pockets, hosted in slate and porphyry. The ore body strikes N and dips E. The vein is quartz and has altered wall rocks. The hanging wall is slate and the footwall is porphyry. The best ore was found in pockets. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with an overall length of 914.4 meters and comprised of 2 adits, one of which has an 80 feet of drifts, and the other of which has 100 feet of drifts.
Production data are found in: MacBoyle, Errol (1920b).
Production was intermittent.
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: | 10034787 |
|---|
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
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060910405
