Mary Ann Mine (Adelanto Mining Company), Silver Peak [2], Shadow Mountains Tungsten-North Field, Shadow Mts [2], San Bernardino County, California, USAi
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Latitude & Longitude (WGS84):
34° 44' 19'' North , 117° 32' 46'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Silver Lakes | 5,623 (2017) | 18.8km |
| Adelanto | 33,166 (2017) | 21.4km |
| Lake Los Angeles | 12,328 (2011) | 29.3km |
| Boron | 2,253 (2011) | 30.5km |
| Mountain View Acres | 3,130 (2018) | 32.4km |
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 |
|---|---|---|
| Victor Valley Gem and Mineral Club | Victorville, California | 32km |
Mindat Locality ID:
89007
Long-form identifier:
mindat:1:2:89007:1
GUID (UUID V4):
3b181bda-82b2-4b86-bf7b-2822dd3b8468
A former W occurrence/mine located in sec. 31, T8N, R6W, SBM, 0.4 km (0.3 mile) W of Silver Peak [2] (coordinates of record) (13 air miles W of Helendale). Owned by Adelanto Mining Company, California (1953). Operated in 1952. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is hosted in granite, limestone and schist. The ore body is a stockwork. The primary mode of origin was contact metasomatism. Primary ore control was a contact zone. Ore of the highest value was found on the granite side of the zone. Wallrock alteration is unknown (carbonate-silic.). Local rocks include pre-Cenozoic metasedimentary and metavolcanic rocks undivided.
A recently opened prospect from which a small tonnage of W ore had been shipped in 1952. No figures are available.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
2 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Scheelite Formula: Ca(WO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Unclassified | |||
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Ca | Calcium | |
| Ca | ⓘ Scheelite | Ca(WO4) |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
Other Databases
| Link to USGS MRDS: | 10035327 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060710369
