Hardscrabble Mine (Bullfrog Mine), Quiggs Mountain, Mountain Ranch Mining District, East Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Hardscrabble Mine (Bullfrog Mine) | Mine |
| Quiggs Mountain | Mountain |
| Mountain Ranch Mining District | Mining District |
| East Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 13' 45'' North , 120° 34' 38'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mountain Ranch | 1,628 (2011) | 3.2km |
| San Andreas | 2,783 (2011) | 9.7km |
| Mokelumne Hill | 646 (2011) | 13.8km |
| Rail Road Flat | 475 (2015) | 13.9km |
| Fort Jones | 643 (2006) | 14.1km |
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 |
|---|---|---|
| Calaveras Gem & Mineral Society | Angels Camp, California | 18km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 27km |
A former lode Au mine located 3.2 km (2.0 miles) E of Quiggs Mountain (coordinates of record), along Murray Creek (3½ miles W of Mountain Ranch; on the ridge above Murray Creek). MRDS database accuracy for this location is not stated.
Mineralization is a vein deposit hosted in slate. The ore body strikes E and dips S. The deposit is comprised of 2 small veins. The hanging wall vein averages 3 inches (7.5 cm) in thickness and the footwall vein averages 1 foot (340 cm) in thickness. The filling between the veins is porphyry. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with an overall depth of 30.48 meters and comprised of a vertical 92 foot shaft plus a 40 and a 100 foot deep shafts and a 300 foot adit.
Ore was said to average $30 per ton (period values).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
Other Databases
| Link to USGS MRDS: | 10029153 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Shoofly-Olds Ferry DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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