Berkeley Hills Mine, Berkeley Hills, Berkeley, Alameda County, California, USAi
| Regional Level Types | |
|---|---|
| Berkeley Hills Mine | Mine |
| Berkeley Hills | Group of Hills |
| Berkeley | City |
| Alameda County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 53' 8'' North , 122° 15' 41'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Berkeley | 120,972 (2017) | 1.9km |
| Albany | 19,735 (2017) | 3.2km |
| Kensington | 5,077 (2011) | 3.2km |
| El Cerrito | 23,549 (2011) | 5.5km |
| Emeryville | 11,694 (2017) | 6.4km |
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 |
|---|---|---|
| Northern California Geological Society | Orinda, California | 7km |
| San Francisco Gem and Mineral Society, Inc. | San Francisco, California | 19km |
| Contra Costa Mineral & Gem Society | Concord, California | 23km |
| Vallejo Gem & Mineral Society | Vallejo, California | 24km |
| East Bay Mineral and Lapidary Club | Hayward, California | 28km |
A former S-pyrite-Cu-Pb occurrence/mine located in sec. 36, T1N, R4W, MDM, 1.8 km (1.1 miles; 6,000 feet) NNE of Berkeley proper (near Euclid Avenue and Cordonices Creek). Operated during the period 1925 to 1929. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is hosted in the Pliocene Leona Rhyolite. The ore body is lenticular at a thickness of 5.49 meters. Controls for ore emplacement included fractures. The geology is similar to the Leona Heights Mine on the same ore zone. Pyrite is a major ore component. Coarse, crystalline 100 pound lumps of galena were found before 1914. Local rocks include Quaternary alluvium and marine deposits.
Local geologic structures include the Hayward Fault and two parallel smaller faults with horizontal displacement.
Workings include underground openings with a length of 1,524 meters.
Analytical data results: 1% Cu.
Mineralization is hosted in the Pliocene Leona Rhyolite. The ore body is lenticular at a thickness of 5.49 meters. Controls for ore emplacement included fractures. The geology is similar to the Leona Heights Mine on the same ore zone. Pyrite is a major ore component. Coarse, crystalline 100 pound lumps of galena were found before 1914. Local rocks include Quaternary alluvium and marine deposits.
Local geologic structures include the Hayward Fault and two parallel smaller faults with horizontal displacement.
Workings include underground openings with a length of 1,524 meters.
Analytical data results: 1% Cu.
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
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Galena Formula: PbS Description: Occurs as lumps of coarse crystalline material to 100 pounds (40 kg) from an unknown source. References: |
| ⓘ Pyrite Formula: FeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS MRDS: | 10102588 |
|---|
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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