Rindge No. 3 Mine (True Blue Mine), Glencoe, Railroad Flat Mining District, East Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Rindge No. 3 Mine (True Blue Mine) | Mine |
| Glencoe | - not defined - |
| Railroad Flat Mining District | Mining District |
| East Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 20' 33'' North , 120° 34' 23'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Rail Road Flat | 475 (2015) | 5.1km |
| West Point | 674 (2011) | 7.4km |
| Red Corral | 1,413 (2017) | 8.2km |
| Pioneer | 1,094 (2011) | 9.9km |
| Pine Grove | 2,219 (2011) | 10.8km |
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 |
|---|---|---|
| Amador County Gem & Mineral Society | Sutter Creek, California | 21km |
| Calaveras Gem & Mineral Society | Angels Camp, California | 31km |
| El Dorado County Mineral and Gem Society | Placerville, California | 47km |
| Gold Country Treasure Seekers | Placerville, California | 47km |
Mindat Locality ID:
75839
Long-form identifier:
mindat:1:2:75839:5
GUID (UUID V4):
206d19c8-34de-4e0b-b5ea-d9bd6b6a79ea
A former lode Au mine located 1.6 km (1.0 mile) SE of Glencoe, on private (patented) land. MRDS database accuracy for this location is not stated.
NOTE: This mine is specifically named by Clark (1970a) as a significant mine in the Rich Gulch District. It is at the extreme NE boundary of the that district. Conflicting with these data, Clark (1970a) presents a map of the West Point and Railroad Flat Districts on page 129. On this map, this mine and several others to its SW are listed as in the latter districts.
Mineralization is a vein deposit hosted in mica schist and slate. There is a rich ore shoot. The vein is 4 feet thick and badly broken. Both the footwall and the hanging wall are slate (Logan, 1936). Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with an overall depth of 85.34 meters and compriswed of a 280 foot deep shaft with levels at 100 and 140 feet.
Production data are found in: Logan (1936).
No other production record found. The broken vein and an abundance of water made mining operations difficult.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
Other Databases
| Link to USGS MRDS: | 10029352 |
|---|
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References
