Sugar Loaf Mine, Brandon Corner, Shingle Springs Mining District, West Belt, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Sugar Loaf Mine | Mine |
| Brandon Corner | - not defined - |
| Shingle Springs Mining District | Mining District |
| West Belt | - not defined - |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 34' 20'' North , 120° 56' 41'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Shingle Springs | 4,432 (2011) | 10.5km |
| Cameron Park | 18,228 (2011) | 11.3km |
| Plymouth | 960 (2017) | 13.3km |
| Rancho Murieta | 5,488 (2011) | 15.2km |
| Deer Park | 1,384 (2018) | 16.1km |
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 |
|---|---|---|
| El Dorado County Mineral and Gem Society | Placerville, California | 22km |
| Gold Country Treasure Seekers | Placerville, California | 22km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 23km |
| Roseville Rock Rollers | Roseville, California | 36km |
| Fossils for Fun Society, Inc. | North Highlands, California | 39km |
Mindat Locality ID:
78241
Long-form identifier:
mindat:1:2:78241:7
GUID (UUID V4):
8537c6f1-23d0-41c3-90d1-e599e4fd9bc1
A former lode Au-Pb occurrence/mine located in the SW¼ sec. 1 & in the NW¼NW¼ sec. 12, T8N, R9E, MDM, 1.8 km (1.1 miles) SSW of Brandon Corner, SSE of Sugarloaf (summit) (1¾ miles NE of El Dorado), on private land. First worked in the early days of the gold rush and active again in the 1880's. Prospected during the early 1920's. Operated intermittently since 1954 by the Butler Mining and Development Company. Operated by the Sugar Loaf Mining Co. (time frame unknown). MRDS database stated accuracy for this location is 100 meters.
Mineralization is a quartz vein and pocket deposit in the West Gold Belt, hosted in slate, serpentinite and diorite. The ore body strikes N and dips 75W. The vein is 5 feet thick on average with a slate footwall and a talcose serpentine hanging wall. Dikes of medium-grained diorite are associated with slate. High grade ore was found intermittently below the 100 foot level. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include surface and underground openings. Open cuts were excavated in the early days of operation. Later worked by a 175 foot inclined shaft with 3 levels (100, 130 & 175 feet) that was sunk in the early 1930's.
Production data are found in: Clark, Wm. B. & D.W. Carlson (1956).
Some high-grade ore was shipped.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Galena Formula: PbS |
| ⓘ Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Talc Formula: Mg3Si4O10(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | Oxygen | |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| S | Sulfur | |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS MRDS: | 10006826 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060170046
