Lavagnino prospect, Angels Camp, Angels Camp Mining District, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Lavagnino prospect | Prospect |
| Angels Camp | - not defined - |
| Angels Camp Mining District | Mining District |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 3' 37'' North , 120° 32' 41'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Angels Camp | 2,677 (2012) | 1.0km |
| Vallecito | 442 (2011) | 7.1km |
| Tuttletown | 668 (2011) | 10.7km |
| Murphys | 2,213 (2015) | 11.3km |
| Copperopolis | 3,671 (2011) | 12.2km |
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 | 1km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 43km |
Mindat Locality ID:
75479
Long-form identifier:
mindat:1:2:75479:7
GUID (UUID V4):
b7ffda3d-c757-4bb3-b6da-fe2e800a6089
An Mn occurrence/prospect located in NE¼NE¼ sec. 4, T2N, R13E, MDM, 1.0 km (0.6 mile) SSW of Angels Camp, on private (patented) land. Discovered in 1942. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a bedded Mn deposit hosted in chert. The ore body strikes N45W and dips 60NE. A few fragments of low-grade Mn ore were present on the dump. The ore is mostly hard, blue-black psilomelane. Some is fairly high-grade and some contains considerable patches of flesh-pink chert. Grey phyllite or slate is the only rock exposed in the pit. The manganese bed is no longer exposed due to caving. Local rocks include undivided pre-Cenozoic metavolcanic rocks, unit 2 (undivided).
Workings include surface openings comprised of 1 old pity (10 feet by 6 feet and 3 feet deep (3 by 2 by 1 meters).
Analytical data results: The ore grade is 48% Mn.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Psilomelane' Colour: Blue-black Description: Hard material with flesh-colored chert. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Psilomelane' | - | |
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10028967 |
|---|
Other Regions, Features and Areas containing this locality
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060090011
Eric, John H. (1955) Geology and mineral deposits of the Angels Camp and Sonora quadrangles, Calaveras and Tuolumne Counties, California. Special Report 41. California Division of Mines p.52 - plate 3
