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  3. Mineral Resource Data System (MRDS)

Obsidian Group

Occurrence in Washoe county in Nevada, United States with commodities Gold, Silver, Uranium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10044926
MRDS ID M232566
Record type Site
Current site name Obsidian Group
Alternate or previous names Columbia and Loise

Geographic coordinates

Geographic coordinates: -119.36436, 41.7582 (WGS84)
Elevation 1829
Relative position APPROXIMATELY 33 MILES NORTH OF VYA IN FISH CREEK OFF NEVADA HIGHWAY 8A

Site location context

Political divisions (FIPS codes)

Washoe(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Catnip Mountain SE(quadrangle 1:24,000 scale)

Vya(quadrangle 1:100,000 scale)

Vya(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Guano(hydrologic unit)

Oregon Closed Basins(hydrologic accounting unit)

Oregon Closed Basins(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

FWS(Federal land areas administered by FWS)

Geographic areas

Country State County
United States Nevada Washoe

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 044N}44N 023E}23E 02}11 Nevada

Comments on the location information

  • PREVIOUS QUAD DESIGNATION = CATNIP MOUNTAIN, SE 1:24000

Commodities

Commodity Importance
Gold Primary
Silver Primary
Uranium Primary

Analytical data

Result TRACES OF AU, AG
Result 0.005% U3O8

Mineral occurrence model information

Model code 104
USGS model code 25a
Deposit model name Hot-spring Au-Ag
Mark3 model number 45

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Canon
    Rock description Canon
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -119.36436, 41.7582
ListMap

Economic information

Comments on the geologic information

  • RHYOLITE CONTAINS FELDSPAR PHENOCRYSTS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1955
Discoverer C. H. Ripattee And H. E. Alloway, And Carol J. Hicks.

Ownership information

  • Type Owner-Operator
    Owner Ripattee, Alloway, And Hicks.

Comments on the workings information

  • DEVELOPED BY ONE SHALLOW BULLDOZER CUT IN ALLUVIUM.

Comments on development

  • OBSIDIAN GROUP CONSISTS OF 8 CLAIMS LOCATED IN 1955 BY C. H. RIPATTEE AND H. E. ALLOWAY. THE COLUMBIA AND LOISE CLAIMS WERE LOCATED IN 1956 BY CAROL J. HICKS.

Reference information

General comments

Subject category Comment text
Deposit Discovery Year: 1955, 1956

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1981 La Pointe, D. D. Nevada Bureau of Mines and Geology
Updater 01-JUN-1994 Humphries, S. E. (Moyer, L.) U.S. Geological Survey
Updater 01-SEP-1994 Li, Zhiping (Peters, S.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.