Jack Sprat No. 1 Mine (Jack Sprat Number One Mine; Carson Mine; Sweet Mine; Carson & Sweet), Jack Sprat group, Hog Mountain, Fresno County, California, USAi
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Latitude & Longitude (WGS84):
36° 53' 47'' North , 119° 20' 47'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Squaw Valley | 3,162 (2011) | 19.5km |
| Minkler | 1,003 (2011) | 21.6km |
| Centerville | 392 (2011) | 22.5km |
| Shaver Lake | 634 (2011) | 23.2km |
| Auberry | 2,369 (2011) | 23.9km |
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 |
|---|---|---|
| Fresno Gem & Mineral Society | Fresno, California | 41km |
A former Cr occurrence/mine located in sec. 10, T12S, R24E, MDM, 3.2 km (2.0 miles) WNW of Hog Mountain (coordinates of recond (on the crest of the northern 1/3 of the mountain), S of Watts Valley, on private land. 1 of 6 claims In Jack Sprat group. MRDS database stated accuracy for this location is 10 meters.
Mineralization is hosted in serpentinite. The ore body is stringers and pods. It strikes N80E and dips 70E at a thickness of 2.44 meters, a width of 3.05 meters and a length of 22.86 meters. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains).
The chromite deposits of Watts Valley occur on the eastern limb of a synclinal, NE-plunging, ultramafic sill. The eastern limb, known as Hog Mountain, is a little over 1 mile wide, while the western limb, which forms Red Mountain, averages 3 miles wide. The 2 limbs join to the NW and together form a discontinuous, triangular exposure of peridotite 10 miles long and 8 miles wide across the base.
Workings include surface openings comprised of an L-shaped open pit with a flooded shaft and a prospect pit 100 feet to the W of it (1975).
Production data are found in: Rynearson, Garn Arthur (1948).
Production statistics: Year: 1918; Period: 1914-1918; estimated ^30 weight per cent Cr2O3.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Other Databases
| Link to USGS MRDS: | 10043378 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060190199
