Greenbrae Quarry, Greenbrae, Marin County, California, USAi
| Regional Level Types | |
|---|---|
| Greenbrae Quarry | Quarry |
| Greenbrae | - not defined - |
| Marin County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 56' 53'' North , 122° 30' 48'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Larkspur | 12,417 (2017) | 2.5km |
| Corte Madera | 9,901 (2017) | 2.8km |
| San Rafael | 59,162 (2017) | 3.2km |
| Kentfield | 6,485 (2011) | 3.8km |
| Ross | 2,479 (2017) | 4.0km |
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 |
|---|---|---|
| San Francisco Gem and Mineral Society, Inc. | San Francisco, California | 21km |
| Vallejo Gem & Mineral Society | Vallejo, California | 28km |
| Northern California Geological Society | Orinda, California | 30km |
| Contra Costa Mineral & Gem Society | Concord, California | 42km |
| Mineral & Gem Society of Castro Valley | Hayward, California | 49km |
Mindat Locality ID:
81873
Long-form identifier:
mindat:1:2:81873:0
GUID (UUID V4):
33930b1a-c602-4141-92fa-fd551f2fa405
A crushed stone quarry located in secs. 10 & 11, T1N, R6W, MDM, 1.0 km (3,200 feet) E of Greenbrae, NE of the junction of U.S. highway 101 and Sir Francis Drake highway. Operated by the Hutchinson Company. MRDS database stated accuracy for this location is 1,000 meters. Quarrying began in 1925 and production was achieved the following March. Still active in 1955. Produced jetty stone and crushed stone for paving. Rock dust and a portion of the coarser aggregate were utilized in an asphalt batch mixing plant.
Local rocks include rocks of the Franciscan melange and/or Quaternary alluvium and marine deposits.
Workings include surface openings comprised of 2 quarries, the one to the E being the one currently operated.
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: | 10092338 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Franciscan DomainDomain
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References
