Alteration: Silicification, Kaolinization

Commodity: One assay across 7 ft. Of altered rhyolite ran 0.81 % hg, or 16.2 lbs/ton hg.

Deposit: Shear zone near granite/rhyolite contact-fault gouge, mineralizing solutions precipitated ore minerals mostly along n-s fracture planes.

Deposit type: Hot-spring Hg

Development: 11 20-acre claims. In 1940, there was a 50-ton scott furnace, crusher plant, dryer plant retorts, etc.

Ore(s): Shear Zone; Fractures

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Mercury

Mineral List

ⓘ Cinnabar

1 valid mineral.

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 Diagram

ⓘ Granite

ⓘ Rhyolite

Detailed Mineral List:

ⓘ Cinnabar

Formula: HgS

References:

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

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Cinnabar	2.CD.15a	HgS

List of minerals for each chemical element

S	Sulfur
S	ⓘ Cinnabar	HgS
Hg	Mercury
Hg	ⓘ Cinnabar	HgS

Other Databases

Link to USGS MRDS:	10045830

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America Plate

Northern Basin and RangeWide Rift

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References

Buck, L.I., (1930), and Attached Unauthored 1940 Report-unpublished; on File at NBMG, File 258, Item 1

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