Gold Shore lode (Moonlight group; Moonlight Mines; Moonlight claim; Paradise claim; Sunbeam claim; Daisey claim; Inner Fraction claim; New Year claim), Yellow Mountain, High Grade Mining District (Hoag Mining District), Warner Mountains, Modoc County, California, USAi
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Latitude & Longitude (WGS84):
41° 58' 30'' North , 120° 10' 59'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
New Pine Creek | 120 (2011) | 9.6km |
Fort Bidwell | 173 (2011) | 13.0km |
Lakeview | 2,296 (2017) | 27.3km |
Cedarville | 514 (2011) | 49.6km |
Daphnedale Park | 184 (2011) | 59.8km |
Mindat Locality ID:
82914
Long-form identifier:
mindat:1:2:82914:3
GUID (UUID V4):
33ec8ea3-94c2-46ba-9f53-1a37b55fc113
A Au occurrence located in the SW¼NW¼ sec. 6, T47N, R16E, MDM, 2.2 km (1.4 miles; 7,200 feet) ENE of Yellow Mountain (coordinates of record) (1.25 miles E of Lily Lake), on National Forest land. Operated by George T. Cline. Operated in 1946. MRDS database stated accuracy for this location is 100 meters.
Mineralization is a deposit (Mineral occurrence model information: Model code: 151; USGS model code: 25d; Deposit model name: Epithermal vein, Sado; Mark3 model number: 28; USGS model may also be 25A: Hot-spring Au-Ag), hosted in Pliocene rhyolite. The ore body is a vein with a strike of N60W and a dip of 80S at a thickness of 1.52 meters. A rhyolite dike is brecciated. It is about 125 feet wide and 5 to 6 miles long (8 to 10 km) and strikes N15W. The vein is 2 inches (5 cm) to 5 feet (1.52 meters) thick. An earthy part is 4 to 18 inches (10 to 45 cm) thick with 3 feet of hard rhyolite breccia below it. About 2 inches (5 cm) of bluish-green talc with soft brown clay seams including quartz and rhyolite fragments is frozen on the E wall of a shallow shaft. Good float with one 200 pound piece giving 5.1 ounces Au and 4.3 ounces Ag. Local rocks include Tertiary volcanic flow rocks, unit 17 (Cascade Range).
Workings include underground openings with a length of 124.97 meters, an overall depth of 7.01 meters, and an overall width of 1.83 meters, and comprised of small and shallow open cuts, a 23 foot vertical shaft and a 410 foot adit.
Analytical data results: Assays ran $750-1,700 (period values) Au/ton, on soft brown, earthy part of the vein on the E wall. Other assays ran $13 (period values) Au/ton in wallrock to $39 (period values) Au/ton in rhyolite breccia below the earthy material.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
4 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
ⓘ Gold Formula: Au |
ⓘ Pyrite Formula: FeS2 |
ⓘ Quartz Formula: SiO2 |
ⓘ Talc Formula: Mg3Si4O10(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
ⓘ | Gold | 1.AA.05 | Au |
Group 2 - Sulphides and Sulfosalts | |||
ⓘ | Pyrite | 2.EB.05a | FeS2 |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Quartz | 4.DA.05 | SiO2 |
Group 9 - Silicates | |||
ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Talc | Mg3Si4O10(OH)2 |
O | Oxygen | |
O | ⓘ Quartz | SiO2 |
O | ⓘ Talc | Mg3Si4O10(OH)2 |
Mg | Magnesium | |
Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
Si | Silicon | |
Si | ⓘ Quartz | SiO2 |
Si | ⓘ Talc | Mg3Si4O10(OH)2 |
S | Sulfur | |
S | ⓘ Pyrite | FeS2 |
Fe | Iron | |
Fe | ⓘ Pyrite | FeS2 |
Au | Gold | |
Au | ⓘ Gold | Au |
Other Databases
Link to USGS MRDS: | 10031435 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
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