Oriole Mine (Harris Nemo Mine; Big Bonanza Mine), Angels Camp, Angels Camp Mining District, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Oriole Mine (Harris Nemo Mine; Big Bonanza Mine) | Mine |
| Angels Camp | City |
| Angels Camp Mining District | Mining District |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 3' 5'' North , 120° 32' 25'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Angels Camp | 2,677 (2012) | 1.9km |
| Vallecito | 442 (2011) | 7.3km |
| Tuttletown | 668 (2011) | 9.7km |
| Murphys | 2,213 (2015) | 11.8km |
| Copperopolis | 3,671 (2011) | 11.8km |
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 | 2km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 44km |
A former lode Au mine located in the SW¼ (estimated) sec. 3, T2N, R13E, MDM, about 2.5 km (1½ miles) S of Angels Camp, WNW of Albany Flat. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a vein & pocket deposit hosted in greenstone. The ore body strikes N and dips E at a thickness of 15.24 meters. The vfein is 10 to 50 feet thick on the Mother Lode. The Dead Horse Pb vein is 10 feet thick at the 200 foot level, 50 feet at the 300 foot level, and 30 feet at the 400 foot level. Local rocks include undivided pre-Cenozoic metavolcanic rocks, unit 2 (undivided).
Workings include underground openings comprised of an 850 foot deep shaft with levels at 100 foot intervals except at the 700 foot level. A 900 foot drifts(s) were driven on the 500 foot level.
Production data are found in: Clark, Wm. B. & P.A. Lydon (1962).
In the early days $30,000 (period values) in Au was taken from shallow pockets.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
List of minerals for each chemical element
| Au | Gold | |
|---|---|---|
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10102679 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Shoofly-Olds Ferry DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- California
- Mother Lode BeltBelt
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060091547
