Pharo deposit, Dew Drop, Nevada County, California, USAi
| Regional Level Types | |
|---|---|
| Pharo deposit | Deposit |
| Dew Drop | - not defined - |
| Nevada County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 4' 48'' North , 121° 6' 31'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Lake of the Pines | 3,917 (2011) | 6.3km |
| Alta Sierra | 6,911 (2011) | 8.3km |
| Meadow Vista | 3,217 (2011) | 11.5km |
| Colfax | 2,005 (2017) | 13.6km |
| Penn Valley | 1,621 (2011) | 14.7km |
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 |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 16km |
| Roseville Rock Rollers | Roseville, California | 40km |
| Sutter Buttes Gem & Mineral Society | Marysville, California | 42km |
| El Dorado County Mineral and Gem Society | Placerville, California | 47km |
| Gold Country Treasure Seekers | Placerville, California | 47km |
Mindat Locality ID:
84566
Long-form identifier:
mindat:1:2:84566:4
GUID (UUID V4):
875f1bf7-9464-472a-8f09-23064fa99d18
A Mn occurrence/prospect located in sec. 8, T14N, R8E, MDM, 2.1 km (1.3 miles) WSW of Dew Drop, NNE of the Pleasant Ridge School (500 feet S of the Pharo Ranch house). Discovered in 1943. Owned by W.H. Pharo, California (1974). MRDS database stated accuracy for this location is 10,000 meters.
The ore body is 0.91 meter thick with a length of 9.14 meters. Low-grade manganiferous Fe ore in a 10 foot belt of massive gray chert, heavily coated with manganese oxide, and striking N20W, dipping 70NE. Two types of ore are present: 1.) Soft, punky black to brownish-black ore; and, 2.) hard, cherty black ore. The Mn in the soft ore is 11.43% and in hard ore it is 5.97%. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include surface openings comprised of a small prospect pit.
Low-grade ore. No production.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Manganese Oxides' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Manganese Oxides' | - | |
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10097034 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060570009
