Sanderson Mine, Railroad Flat, Railroad Flat Mining District, East Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Sanderson Mine | Mine |
| Railroad Flat | Flat |
| Railroad Flat Mining District | Mining District |
| East Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
38° 19' 37'' North , 120° 31' 3'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Rail Road Flat | 475 (2015) | 1.9km |
| West Point | 674 (2011) | 8.1km |
| Mountain Ranch | 1,628 (2011) | 11.2km |
| Fort Jones | 643 (2006) | 11.5km |
| Red Corral | 1,413 (2017) | 12.1km |
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 |
|---|---|---|
| Amador County Gem & Mineral Society | Sutter Creek, California | 26km |
| Calaveras Gem & Mineral Society | Angels Camp, California | 29km |
Mindat Locality ID:
75878
Long-form identifier:
mindat:1:2:75878:4
GUID (UUID V4):
452a5c60-efc9-4059-9ffc-4b25f3a47cae
A former lode Au mine located in the SW¼ (estimated) sec. 35, T6N, R13E, MDM, 1.9 km (1.2 miles) SSW of Railroad Flat, along the North Fork Calaveras River, W of Redhawk Lake (5 miles S of West Point; just E of the Railroad Flat-Mountain Ranch Road). Extensively worked during the period 1869 to 1875. Idle until 1933. MRDS database stated accuracy for this location is 100 meters.
Mineralization is a vein deposit hosted in Late Permian slate and schist. The ore body is pinch & swell in general form, strikes NNE and dips 60E at a thickness of 0.91 meter. The quartz vein is 8 inches (20 cm) to 3 feet (0.91 meter) thick, white to dark gray, in slate and quartz-mica schist. Abundant sulfides are present. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground opening comprised of a 400 foot inclined shaft with levels at 100, 200, 300 & 360 feet. Short drifts at each level. Most development work done during the period 1871-1875.
Production data are found in: Clark, Wm. B. & P.A. Lydon (1962).
1930's high-grade ore was from the 360 foot level.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10029366 |
|---|
Other Regions, Features and Areas containing this locality
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060091050
