A Au occurrence located in the NE¼NW¼NW¼ sec. 19, T29N, R12E, MDM, 5.4 km (3.3 miles) NNE of Diamond Mountain, E of Hills Creek, W of Lassen Creek. Operated by S. D. Ridenour. MRDS database stated accuracy for this location is 100 meters.

The gangue is an ochre-stained, sugary quartz containing some drusy vugs and cavities. The gold could not be seen in the rock and no sulfides were reported. Several other gold-bearing veins are reported in the SW¼NW¼ of the section. Local rocks and geologic formations include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges) and/or Quaternary alluvium and marine deposits.

Workings include a 110 foot deep, two-compartment shaft with 70 to 80 feet of drift S and 10 feet N on the 100 foot level.

The only production reported was abiout 200 ounces of amalgam from the rock taken only from the development workings.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Quartz

1 valid mineral.

Detailed Mineral List:

ⓘ Quartz

Formula: SiO₂

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂

List of minerals for each chemical element

O	Oxygen
O	ⓘ Quartz	SiO₂
Si	Silicon
Si	ⓘ Quartz	SiO₂

Other Databases

Link to USGS MRDS:	10260680

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Columbia Basin and RangeWide Rift
Shoofly-Olds Ferry DomainDomain

USA

California
- Diamond Mountain Mining DistrictMining District
- Diamond MountainsMountain Range
Sierra NevadaMountain Range

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References

(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060350070

USGS Susanville, California, quadrangle.

Averill, Charles V. & Homer D. Irwin (1936), Mineral resources of Lassen County: California Journal of Mines and Geology, California Division Mines (Report 32): 32(4): 441

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

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