Big Chief prospect, Hulbert Mountain, Madera County, California, USAi
| Regional Level Types | |
|---|---|
| Big Chief prospect | Prospect |
| Hulbert Mountain | Mountain |
| Madera County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 3' 54'' North , 119° 38' 51'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Friant | 509 (2011) | 10.3km |
| Auberry | 2,369 (2011) | 14.5km |
| Yosemite Lakes | 4,952 (2011) | 17.9km |
| Bonadelle Ranchos-Madera Ranchos | 8,569 (2011) | 22.0km |
| Rolling Hills | 742 (2011) | 22.4km |
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 |
|---|---|---|
| Fresno Gem & Mineral Society | Fresno, California | 37km |
A Cu-Au occurrence/prospect located in secs. 14 and/or 23, T10S, R21E, MDM, 2.3 km (7,600 feet) ENE of Hulbert Mountain and 5.0 km (3.1 miles) SSW of Hildreth, along Fine Gold Creek. Active in 1902. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a vein deposit. The ore body is 2.44 meters thick. A series of 3 ledges, smaller veins of quartz, occur in schistose vein matter of extensive width. The Cu ores are sulfides, oxides and green carbonate. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges) and/or pre-Cenozoic metasedimentary and metavolcanic rocks undivided.
Workings include surface and underground openings. The undeground workings total 17.07 meters in length and are comprised of a 46 foot tunnel, and a shallow 10 foot deep shaft.
Ore was said to have carried values of $4 to $5 per ton (period values).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 Description: Described as "green carbonate." |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 5 - Nitrates and Carbonates | |||
|---|---|---|---|
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Cu | Copper | |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
Other Databases
| Link to USGS MRDS: | 10034100 |
|---|
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 #0060390154
(1908, September) The Copper Resources of California. Bulletin 50. California State Mining Bureaup.276
