Wren Ranch Mine (Mangatop), Higgins Corner, Spenceville Mining District, Nevada County, California, USAi
| Regional Level Types | |
|---|---|
| Wren Ranch Mine (Mangatop) | Mine |
| Higgins Corner | - not defined - |
| Spenceville Mining District | Mining District |
| Nevada County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 2' 51'' North , 121° 6' 53'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Lake of the Pines | 3,917 (2011) | 5.1km |
| Meadow Vista | 3,217 (2011) | 9.5km |
| Alta Sierra | 6,911 (2011) | 11.7km |
| North Auburn | 13,022 (2011) | 13.2km |
| Colfax | 2,005 (2017) | 15.1km |
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 |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 20km |
| Roseville Rock Rollers | Roseville, California | 36km |
| Sutter Buttes Gem & Mineral Society | Marysville, California | 43km |
| El Dorado County Mineral and Gem Society | Placerville, California | 45km |
| Gold Country Treasure Seekers | Placerville, California | 45km |
Mindat Locality ID:
84925
Long-form identifier:
mindat:1:2:84925:3
GUID (UUID V4):
a3566487-8275-477e-ab4f-d98c3550faae
A former Mn occurrence/mine located in the S½ sec. 20, T14N, R8E, MDM, 1.8 km (1.1 miles) WNW of Higgins Corner, on the divide between Wolf Creek on the E and Meyers Ravine on the W. The property comprises 160 acres, on state forest land. Owned/operated by C. E. Loofbourrow and R. M. Wren. MRDS database stated accuracy for this location is 500 meters. Located 12 miles N of Auburn and about 1 mile SE of the Mangachrome Mine.
The ore body is 3.05 meters thick and 4.27 meters long and with a depth-to-bottom 6.1 meters. The ore bed is 14 feet long, 10 feet thick and was exposed to a depth of 20 feet. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include underground openings comprised of a 20 foot inclined shaft (flooded in August, 1942).
Ten tons of ore were mined up to November, 1917, and was reported to assay 50 to 60% metallic Mn and 6% silica. The average grade of the ore is 25% Mn. 35 tons were produced in 1918 containing 35% Mn and 7% silica.
Analytical data results: Average 25% Mn.
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10031692 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060570077
