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Eddy Group Mine

Past Producer in Humboldt county in Nevada, United States with commodity Gemstone
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10045007
MRDS ID M232659
Record type Site
Current site name Eddy Group Mine
Alternate or previous names West Gem Hill, Mayday, Bluebird, Richard, Patrick, Crazy Indian, Lil Abner, Daisy Mae, No. 2 Opal, Hidden Valley, Lulu, Sparkle Plenty, Windfall, Marvelous, Lorrie Lee, East Gem Hill, Nancy's Nightmare, Sun Valley, Evening Star, Opal Valley, New Moon, Claim 5.

Geographic coordinates

Geographic coordinates: -119.06046, 41.83487 (WGS84)
Elevation 1554
Relative position 5 MI. S. OF RTE 140 ON VIRGIN VALLEY RD, THEN 1/2 MILE N.

Site location context

Political divisions (FIPS codes)

Humboldt(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Virgin Valley(quadrangle 1:24,000 scale)

Vya(quadrangle 1:100,000 scale)

Vya(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Thousand-Virgin(hydrologic unit)

Black Rock Desert(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

FWS(Federal land areas administered by FWS)

Geographic areas

Country State County
United States Nevada Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 045N 026E 05,08 Nevada

Commodities

Commodity Importance
Gemstone Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Unconsolidated Deposit > Volcanic Ash

Nearby scientific data

(1) -119.06046, 41.83487
ListMap

Economic information

Ore body information

  • General form BLANKET
    Dip 0-30
    Thickness 1.83M

Controls for ore emplacement

  • Sedimentary Bedding

Comments on the geologic information

  • THE OPAL-BEARING HORIZON IS GREENISH, BENTONITIC, CONTAINS WOOD FRAGMENTS AND PEBBLES: IT IS UP TO 6 FT. THICK

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1940
Discoverer Charles Eddy And Others

Mining district

District name Virgin Valley District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Charles Eddy And Others
    First year 1978
  • Type Owner
    Owner Charles Eddy And Others
    First year 1978

Comments on the production information

  • SMALL AMOUNT OF PRECIOUS OPAL PRODUCED.

Workings at the site

  • Type of workings Surface
    Length 91.44M

Comments on the workings information

  • 70 PITS AND DOZER TRENCHES

Comments on development

  • 21 CLAIMS, ONE OF WHICH WAS LOCATED IN 1948, THE OTHERS FROM 1969 TO 1974

Reference information

General comments

Subject category Comment text
Deposit 21 CLAIMS OF WHICH ONE WAS LOCATED IN 1948; THE OTHERS FROM 1969 TO 1974. DEVELOPMENT HAS BEEN BY ABOUT 70 PITS AND DOZER TRENCHES UP TO SEVERAL HUNDRED FEET LONG. ; INFO.SRC : 2 UNPUB REPT
Deposit Discovery Year: 1940, 1969-1974

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1981 La Pointe, D.D. Nevada Bureau of Mines and Geology
Updater 01-MAY-1987 La Pointe, D.D. Nevada Bureau of Mines and Geology
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.