Daisy Bell claim (Daisy Belle claim), Hughes Mill, Forest Hill Divide area, Placer County, California, USAi
| Regional Level Types | |
|---|---|
| Daisy Bell claim (Daisy Belle claim) | Claim |
| Hughes Mill | - not defined - |
| Forest Hill Divide area | Area |
| Placer County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 6' 30'' North , 120° 46' 34'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Foresthill | 1,483 (2011) | 10.4km |
| Alta | 610 (2011) | 11.3km |
| Dutch Flat | 160 (2011) | 12.1km |
| Colfax | 2,005 (2017) | 15.3km |
| Georgetown | 2,367 (2011) | 23.0km |
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 | 27km |
| El Dorado County Mineral and Gem Society | Placerville, California | 42km |
| Gold Country Treasure Seekers | Placerville, California | 42km |
A former Cr-Fe occurrence/mine located about 4.3 km N of Hughes Mill, S of Pagge Creek, on a located claim on private and/or National Forest land. Discovered and first produced in 1918. Closed in 1958. Owned by U.S. Forest Service, Tahoe National Forest (100%), California (1976). Owned & operated by Joseph Delmue (last operator), California (1958)(1976). MRDS database stated accuracy for this location is 10 meters. The main workings are approximately 200 feet E of Finning Mill Road, adjacent to an intersecting dirt road from a shallow gulch.
Mineralization is hosted in serpentinite. The ore body strikes N70W and dips 00N at a thickness of 1 meter, depth-to-top of 3 meters, width of 61 meters, and a length of 610 meters. Ore body No. 1 is disseminated, lenticular. Ore body No. 2 is tabular. The primary mode of origin was magmatic differentiation. Primary ore control was lithology and the secondary mode was fracturing. Wallrock alteration is intense (carbonitization). Small ore bodies are localized within a zone having the above dimensions and strike. The deposit occurs in a mass of ultramafic rocks that have intruded Paleozoic metamorphics of the Calaveras group. A thick (up to 10 feet) mantle of residual soil covers the chromite-bearing serpentinites. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains).
Workings include surface and underground openings comprised of several small shafts (now flooded), an adit (now caved) and several shallow piots and trenches (1975).
Production data are found in: Stinson, M.C. (1975), Mineral Property Report, California Division of Mines and Geology (unpublished report).
No reserve estimated in the literature. A grade of 10.7 long tons of ore shiopped in 1944 by the Metals Reserve Company was 46.59% Cr2O3, with a CR:Fe ratio of 2.6. Total production was 600 to 700 tons.
Analytical data results: 46.39 to 48.80% Cr2O3.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Antigorite Formula: Mg3(Si2O5)(OH)4 |
| ⓘ Chromite Formula: Fe2+Cr3+2O4 |
| ⓘ Dolomite Formula: CaMg(CO3)2 |
| ⓘ 'Fayalite-Forsterite Series' |
| ⓘ Magnesite Formula: MgCO3 |
| ⓘ 'Pyroxene Group' Formula: ADSi2O6 |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Magnesite | 5.AB.05 | MgCO3 |
| ⓘ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
| Group 9 - Silicates | |||
| ⓘ | Antigorite | 9.ED.15 | Mg3(Si2O5)(OH)4 |
| Unclassified | |||
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Antigorite | Mg3(Si2O5)(OH)4 |
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| C | Carbon | |
| C | ⓘ Dolomite | CaMg(CO3)2 |
| C | ⓘ Magnesite | MgCO3 |
| O | Oxygen | |
| O | ⓘ Antigorite | Mg3(Si2O5)(OH)4 |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Dolomite | CaMg(CO3)2 |
| O | ⓘ Magnesite | MgCO3 |
| O | ⓘ Fayalite-Forsterite Series | |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Mg | Magnesium | |
| Mg | ⓘ Antigorite | Mg3(Si2O5)(OH)4 |
| Mg | ⓘ Dolomite | CaMg(CO3)2 |
| Mg | ⓘ Magnesite | MgCO3 |
| Mg | ⓘ Fayalite-Forsterite Series | |
| Si | Silicon | |
| Si | ⓘ Antigorite | Mg3(Si2O5)(OH)4 |
| Si | ⓘ Fayalite-Forsterite Series | |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Ca | Calcium | |
| Ca | ⓘ Dolomite | CaMg(CO3)2 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Fayalite-Forsterite Series | |
Other Databases
| Link to USGS MRDS: | 10077057 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- Sierra NevadaMountain Range
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