Reed property, Coulterville, Coulterville Mining District, Mariposa County, California, USAi
| Regional Level Types | |
|---|---|
| Reed property | Property |
| Coulterville | - not defined - |
| Coulterville Mining District | Mining District |
| Mariposa County | County |
| California | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
37° 43' 40'' North , 120° 12' 55'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Coulterville | 201 (2011) | 2.5km |
| Greeley Hill | 915 (2011) | 7.7km |
| Groveland | 601 (2011) | 12.4km |
| Bear Valley | 125 (2011) | 19.6km |
| Chinese Camp | 126 (2011) | 24.9km |
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 |
|---|---|---|
| Mariposa Gem & Mineral Club | Mariposa, California | 35km |
| Calaveras Gem & Mineral Society | Angels Camp, California | 47km |
A Cr occurrence/prospect located in the SW¼ sec. 28, T2S, R16E, MDM, 2.5 km (8,200 feet) NW of Coulterville, along Blacks Creek. Operated in 1918. Operated by Walter J. Lautenschlager. MRDS database stated accuracy for this location is 500 meters. Reference material shows location as SW¼ sec. 27, but Blacks Creek runs through the SW¼ of sec. 28 (USGS quad. Coulterville, Califonria (1949)).
Local rocks include ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains).
Workings included surface openings comprised of a few trenches and a small open cut about 4 feet deep.
Production information: In 1918, about 600 pounds of medium-grade chromite had been mined and a small amount of ore was in sight in the open cut.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Other Databases
| Link to USGS MRDS: | 10030838 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- California
- Mother Lode BeltBelt
- 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 ID #0060430043
