Plymouth Property

Past Producer in Humboldt county in Nevada, United States with commodity Mercury
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10043969
MRDS ID M231281
Record type Site
Current site name Plymouth Property
Alternate or previous names O'Leary Quicksilver

Geographic coordinates

Geographic coordinates: -117.65958, 40.93628 (WGS84)
Elevation 1707
Relative position 5 MILES SE OF WINNEMUCCA; 1 MI SW OF HARMONY MNE

Site location context

Political divisions (FIPS codes)

Humboldt(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Winnemucca East(quadrangle 1:24,000 scale)

Winnemucca(quadrangle 1:100,000 scale)

Winnemucca(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Humboldt

Comments on the location information

  • IN CANYON BETWEEN WATER AND HARMONY CANYONS; ADJOINS GAYER-MOO PROPERTY

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Silicification

Mineral occurrence model information

Model code 177
USGS model code 27a
Deposit model name Hot-spring Hg

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Miocene
    Chronological age 15.3
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Harmony Formation
    Rock description Harmony Formation

Nearby scientific data

(1) -117.65958, 40.93628

Economic information

Geologic structures

Type of structure Regional
Structure description Sonoma Thrust
Type of structure Local
Structure description Prospect In Lower Plate, Upper Plate Harmony Formation

Controls for ore emplacement

  • Easterly-Trending Dikes

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1929
Discoverer Bob Beko
Production years 1941

Mining district

District name Harmony District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Greenan Quicksilver Co.,
    First year 1941
  • Type Owner
    Owner Greenan Quicksilver Co.
    First year 1941

Comments on the workings information

  • SHORT ADITS

Reference information

Bibliographic references

  • Deposit

    BAILEY, EDGAR H., AND D. A. PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA; NBMG BULL. 41

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES.

  • Deposit

    GILLULY, 1967, GEOLOGIC MAP OF THE WINNEMUCCA QUADRANGLE, HUMBOLDT AND PERSHING COUNTIES, NEVADA, USGS MAP GQ 656.

  • Deposit

    SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY...NORTHERN NEVADA AND NORTHWESTERN UTAH-SUMMARY OF GEOLOGICAL SURVEY 1955-1961: VOL. 1, SOUTHERN PACIFIC COMPANY, SAN FRANCISCO, 94105.

  • Production

    BAILEY, E. H., AND PHOENIX, D. A., 1944

General comments

Subject category Comment text
Deposit ALTERED DIKES
Deposit GREENAN QUICKSILVER COMPANY EXPLORED THE PROPERTY IN 1941. SHORT ADITS EXPLORE MILDLY METAMORPHOSED SANDSTONE, GRITS, AND EASTERLY-TRENDING SILICIFIED AND ALTERED DIKES OF RHYOLITE. CINNABAR IS SAID TO OCCUR IN SCATTERED PODS AND VEINLETS IN THE ALTERED DIKES ; INFO.SRC : 1 PUB LIT
Deposit THIS RECORD HAS BEEN MERGED WITH M055353, WHICH HAS BEEN DELETED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1975 Gassaway, Judith S. U.S. Geological Survey
Updater 01-DEC-1980 Tingley, J.V. Nevada Bureau of Mines and Geology
Updater 01-APR-1993 Phinisey, J. D. (Marcus, S.) U.S. Geological Survey
Updater 01-SEP-1994 Li, Zhiping (Moyer, Lorre A.) U.S. Geological Survey

Beyond USGS

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

Authoritative Nevada resources

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