Alabaster Cave Mine, Goose Flat, Rattlesnake Bar Mining District, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Alabaster Cave Mine | Mine |
| Goose Flat | Flat |
| Rattlesnake Bar Mining District | Mining District |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 48' 43'' North , 121° 4' 32'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Newcastle | 1,224 (2011) | 8.5km |
| Penryn | 831 (2011) | 9.3km |
| Granite Bay | 20,402 (2011) | 9.4km |
| Auburn | 13,953 (2017) | 9.4km |
| Cool | 4,100 (2017) | 9.9km |
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 |
|---|---|---|
| Roseville Rock Rollers | Roseville, California | 20km |
| El Dorado County Mineral and Gem Society | Placerville, California | 26km |
| Gold Country Treasure Seekers | Placerville, California | 26km |
| Fossils for Fun Society, Inc. | North Highlands, California | 29km |
| Sacramento Valley Detecting Buffs | North Highlands, California | 29km |
A former Cu-Au-Ag mine located in secs. 10 & 15, T11N, R8E, MDM, 1.6 km (1.0 mile) E of Goose Flat (coordinates of record) (1 mile E of Rattlesnake Bridge), on federal land. Property was comprised of 180 acres. Operated prior to 1902. MRDS database stated accuracy for this location is . Mine symbol on topo map in sec. 15, but close to the line with sec. 10. Clark, Wm. B. & D.W. Carlson (1956) shows sec. 15 only. Area was withdrawn for the federal reservoir site.
Mineralization is hosted in limestone and slate. The ore body strikes N and dips E. The hanging wall is limestone and the footwall is slate. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include underground openings with a length of 161.54 meters and comprised of a 300 foot, and 2 50 foot, shafts, plus a 100 foot and a 30 foot adit.
No production reported.
Analytical data results: 3 to 4% Cu with some Au & Ag.
Mineralization is hosted in limestone and slate. The ore body strikes N and dips E. The hanging wall is limestone and the footwall is slate. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include underground openings with a length of 161.54 meters and comprised of a 300 foot, and 2 50 foot, shafts, plus a 100 foot and a 30 foot adit.
No production reported.
Analytical data results: 3 to 4% Cu with some Au & Ag.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Azurite Formula: Cu3(CO3)2(OH)2 Description: Includes good specimens. |
| ⓘ Bornite Formula: Cu5FeS4 Description: Occurs in small amounts. |
| ⓘ Calcite Formula: CaCO3 Description: Occurs as fine stalactites. |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 Description: Included good specimens. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Bornite | 2.BA.15 | Cu5FeS4 |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| S | Sulfur | |
| S | ⓘ Bornite | Cu5FeS4 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Bornite | Cu5FeS4 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| Cu | ⓘ Bornite | Cu5FeS4 |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
Other Databases
| Link to USGS MRDS: | 10102834 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060170107
Aubury, Lewis E. (1905) The Copper Resources of California. Bulletin 23. California State Mining Bureau pp.176-181
