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Gullman deposit, Sugarloaf, Coast Ranges, Colusa County, California, USAi
| Regional Level Types | |
|---|---|
| Gullman deposit | Deposit |
| Sugarloaf | Mountain |
| Coast Ranges | - not defined - |
| Colusa County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 10' 13'' North , 122° 29' 1'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Lodoga | 197 (2011) | 14.6km |
| Clearlake Oaks | 2,359 (2011) | 22.8km |
| Stonyford | 149 (2011) | 23.4km |
| Clearlake | 15,182 (2017) | 26.6km |
| Maxwell | 1,103 (2011) | 27.8km |
A Mn occurrence located in secs. 1, 2 & 12, T15N, R6W, MDM, 1.6 km (5,300 feet) WSW of Sugarloaf, in the Sawtelle Valley. Operated by Arthur Gullman (1974). MRDS database stated accuracy for this location is 10,000 meters (sic).
The ore body strikes N30-35E and dips 75W at a thickness of 1.52 meters and a length of 91.44 meters. Ore is manganiferous chert. The ore body is exposed for 300 feet and is 4.5 feet wide. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains).
No production recorded.
Analytical data results: The grade ranges from 3 to 30% Mn and 6 to 10% Fe. It is high in silica.
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10029529 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- California Coast RangesAccretionary Complex
- Franciscan DomainDomain
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