Mt. Diablo Rock & Asphalt Company prospect, North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USAi
| Regional Level Types | |
|---|---|
| Mt. Diablo Rock & Asphalt Company prospect | Prospect |
| North Peak | - not defined - |
| Mount Diablo (Mt Diablo) | Mountain |
| Clayton | City |
| Contra Costa County | County |
| California | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
37° 54' 11'' North , 121° 53' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Clayton | 11,867 (2017) | 6.2km |
| Blackhawk | 9,354 (2011) | 9.4km |
| Diablo | 1,158 (2011) | 10.0km |
| North Gate | 679 (2017) | 10.1km |
| Antioch | 110,542 (2017) | 13.2km |
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 |
|---|---|---|
| Antioch Lapidary Club | Antioch, California | 13km |
| Contra Costa Mineral & Gem Society | Concord, California | 15km |
| Northern California Geological Society | Orinda, California | 26km |
| Livermore Valley Lithophiles | Livermore, California | 27km |
| East Bay Mineral and Lapidary Club | Hayward, California | 31km |
A crushed stone deposit/prospect located in the NW¼SE¼ sec. 29, T1N, R1E, MDM, 1.7 km (1.1 miles) NE of North Peak (coordinates of record) and 6.2 km (3.8 miles) SE of Clayton, at the NE foot of the peak, on a prong of non-park land near the eastern perimeter of the Mount Diablo State Park. Operated by Bradley Rock quarry. MRDS database stated accuracy for this location is 500 meters. Inactive in 1958. Operated from 1953 to 1956, producing crusher-run base.
Local rocks include rocks of the Franciscan Complex, unit 1 (Coast Ranges).
Workings include surface openings comprised of a pit.
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: | 10029551 |
|---|
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
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
