Unnamed stone quarry [9], East Foothills, Black Wonder Mining District, Santa Clara County, California, USAi
| Regional Level Types | |
|---|---|
| Unnamed stone quarry [9] | Quarry |
| East Foothills | - not defined - |
| Black Wonder Mining District | Mining District |
| Santa Clara County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 23' 51'' North , 121° 49' 29'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| East Foothills | 8,269 (2011) | 1.9km |
| Alum Rock | 15,536 (2018) | 3.5km |
| Milpitas | 77,604 (2017) | 8.0km |
| San Jose | 1,026,908 (2017) | 8.9km |
| Buena Vista | 1,704 (2018) | 11.7km |
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 | 9km |
| Peninsula Gem & Geology Society, Inc. | Los Altos, California | 26km |
| Livermore Valley Lithophiles | Livermore, California | 32km |
| Sequoia Gem and Mineral Society | Redwood City, California | 38km |
| Mineral & Gem Society of Castro Valley | Hayward, California | 38km |
A former stone deposit/quarry located in the SW¼SE¼NE¼ sec. 23, T6S, R1E, MDM, 1.9 km (1.2 miles; 6,400 feet) NNW of East Foothills, along Upper Penitencia Creek, on county owned park land (Alum Rock Park). MRDS database stated accuracy for this location is 1,000 meters.
Local rocks include Cretaceous marine rocks (in part nonmarine), unit 1 (Coast Ranges).
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10189764 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- California Coast RangesAccretionary Complex
- Franciscan DomainDomain
USA
- California
- Diablo RangeMountain Range
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