Section 28 occurrence, Black Mountain, Black Wonder Mining District, Santa Clara County, California, USAi
| Regional Level Types | |
|---|---|
| Section 28 occurrence | Occurrence |
| Black Mountain | Mountain |
| Black Wonder Mining District | Mining District |
| Santa Clara County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 23' 7'' North , 121° 25' 40'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Diablo Grande | 826 (2017) | 13.2km |
| Westley | 603 (2011) | 27.2km |
| Patterson | 21,498 (2017) | 28.0km |
| Grayson | 952 (2011) | 29.6km |
| Crows Landing | 355 (2011) | 31.5km |
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 |
|---|---|---|
| Santa Clara Valley Gem & Mineral Society | San Jose, California | 42km |
| Livermore Valley Lithophiles | Livermore, California | 45km |
| Mother Lode Mineral Society | Modesto, California | 47km |
Mindat Locality ID:
92329
Long-form identifier:
mindat:1:2:92329:0
GUID (UUID V4):
203993ee-0d3b-4fc8-a838-541a471c712e
A Mn occurrence located in the NE¼ sec. 28, T6S, R5E, MDM, about 5.8 km NNW of Black Mountain (summit), on the crest of a divide between 2 W-flowing tributaries of Beauregard Creek. MRDS database stated accuracy for this location is .
The ore body strikes NW and dips 60SW to vertical at a width of 1.22 meters and a length of 21.34 meters. A siliceous Mn oxide bed is 70 feet long with a maximum width of 4 feet, averaging 2 feet. The ore is discontinuous and variable in grade and is sometimes found in pockets 2 to 4 feet in diameter. The body is terminated on the S by a fault, and 22 feet N of its S end, is a fault with 8 feet of displacement. Local rocks include rocks of the Franciscan melange.
Analytical data results: The average grade of the ore is 25% Mn.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
Detailed Mineral List:
| ⓘ 'Manganese Oxides' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Manganese Oxides' | - | |
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10033599 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Franciscan DomainDomain
USA
- California
- Diablo RangeMountain Range
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References
