Unity claim [?], Eagle Peak, Clayton, Contra Costa County, California, USAi
| Regional Level Types | |
|---|---|
| Unity claim [?] | - not defined - |
| Eagle Peak | Peak |
| Clayton | City |
| Contra Costa County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 54' 11'' North , 121° 55' 27'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Clayton | 11,867 (2017) | 4.3km |
| North Gate | 679 (2017) | 6.5km |
| Diablo | 1,158 (2011) | 8.2km |
| Blackhawk | 9,354 (2011) | 9.3km |
| Alamo | 14,570 (2011) | 11.2km |
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 |
|---|---|---|
| Contra Costa Mineral & Gem Society | Concord, California | 13km |
| Antioch Lapidary Club | Antioch, California | 15km |
| Northern California Geological Society | Orinda, California | 23km |
| Livermore Valley Lithophiles | Livermore, California | 28km |
| East Bay Mineral and Lapidary Club | Hayward, California | 29km |
A Ag-Cu occurrence/prospect located in the NW¼NW¼ sec. 25, T1N, R1W, MDM, 1.1 km (0.7 mile; 3,600 feet) E of Eagle Peak (coordinates of record), on the upper E slope of Meridian Ridge, on state owned land (Mount Diablo State Park). MRDS database accuracy for this location is not stated. Prospected for Ag.
The deposit is a white quartz vein in brecciated diabase. It contains some chalacopyrite. Local rocks include Mesozoic volcanic rocks, unit 1 (Coast Ranges).
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
2 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Quartz Formula: SiO2 Colour: White |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS MRDS: | 10092010 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- California Coast RangesAccretionary Complex
- Franciscan DomainDomain
- Great Valley BasinBasin
- Sonoma-Livermore BasinBasin
USA
- California
- Diablo RangeMountain Range
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