Cummings prospect (Merchant; Draghi), Lookout Point, Cedar Mountain Mining District, Alameda County, California, USAi
| Regional Level Types | |
|---|---|
| Cummings prospect (Merchant; Draghi) | Prospect |
| Lookout Point | Point |
| Cedar Mountain Mining District | Mining District |
| Alameda County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 31' 37'' North , 121° 39' 14'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Livermore | 88,126 (2017) | 19.9km |
| East Foothills | 8,269 (2011) | 21.7km |
| Sunol | 913 (2011) | 22.0km |
| Alum Rock | 15,536 (2018) | 23.6km |
| Pleasanton | 79,510 (2017) | 24.6km |
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 |
|---|---|---|
| Livermore Valley Lithophiles | Livermore, California | 20km |
| Santa Clara Valley Gem & Mineral Society | San Jose, California | 30km |
| Mineral & Gem Society of Castro Valley | Hayward, California | 41km |
| East Bay Mineral and Lapidary Club | Hayward, California | 42km |
| Peninsula Gem & Geology Society, Inc. | Los Altos, California | 44km |
A Cr prospect located in the center of sec. 4, T5S, R3E, MDM, 1.7 km (1.1 miles) NE of Lookout Point (summit) (coordinates of record) AND 5.6 km (3.5 miles) SW of Cedar Mountain (coordinates of record), W of Arroyo Valle. Operated by Peter Draghi. MRDS database stated accuracy for this location is 1,000 meters. A shaft is in sec. 8 and may be part of this mine.
Local rocks include rocks of the Franciscan Complex, unit 1 (Coast Ranges).
Produced less than 150 long tons.
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
1 valid mineral.
Gallery:
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: | 10027977 |
|---|
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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