Hagan Mine

Past Producer in Pershing county in Nevada, United States with commodity Gold
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. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10042541
MRDS ID M060364
Record type Site
Current site name Hagan Mine
Alternate or previous names Hoover Mine
Related records 10150499

Geographic coordinates

Geographic coordinates: -118.16875, 40.32379 (WGS84)
Elevation 1963
Relative position NEAR SPRING VALLEY PASS

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rochester(quadrangle 1:24,000 scale)

Lovelock(quadrangle 1:100,000 scale)

Lovelock(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)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Pershing

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 028N 034E 04 Nevada

Comments on the location information

  • SW 1/4, NW 1/4 SEC.4; PREVIOUS QUAD DESIGNATION = UNIONVILLE (1954) 1:625000

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Limonite Gangue
Microcline Gangue
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -118.16875, 40.32379

Economic information

Geologic structures

Type of structure Local
Structure description Post Mineral Shearing & Faulting

Comments on the geologic information

  • ORE CONSISTS OF VEINS IN A SMALL PLUG OF RHYOLITE PORPHYRY WHICH HAS INTRUDED NOW SCHISTOSE LIMERICK GREENSTONE. COARSE GOLD GENERALLY OCCURS EMBEDDED IN MASSES OF LIMONITE THAT HAVE RESULTED FROM OXIDATION OF ARSENOPYRITE. THE HAGAN LODE WAS ONE SOURCE FOR THE PLACER DEPOSITS IN LIMERICK BASIN.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Rochester District

Land status

Ownership category BLM Administrative Area

Comments on development

  • LODE WAS DISCOVERED AS A RESULT OF DRY PLACER OPERATIONS.. APPARENTLY INACTIVE IN 1984.

Reference information

Bibliographic references

  • Deposit

    JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL. 89

  • Deposit

    KNOPF, A., 1924, GEOLOGY AND ORE DEPOSITS OF ROCHESTER DISTRICT, NEVADA: USGS BULL. 762

  • Deposit

    VIKRE, P.G., 1978, GEOLOGY AND SILVER MINERALIZATION OF THE ROCHESTER DISTRICT, PERSHING COUNTY, NEVADA; PH D THESIS STANFORD UNIV.

  • Deposit

    BONHAM, H. F., JR., 14 SEP 84, NBMG FIELD EXAMINATION OF DISTRICT

  • Deposit

    NBMG STAFF, 1985, NBMG OFR 85-3

General comments

Subject category Comment text
Deposit THE DEPOSIT IS LOCATED AT THE APEX OF A THIN ALLUVIAL FAN. ORE CONSISTS OF VEINS IN A SMALL PLUG OF RHYOLITE PORPHYRY WHICH HAS INTRUDED
Deposit LODE WAS DISCOVERED AS A RESULT OF DRY PLACER OPERATIONS. LOCATED AT THE APEX OF A THIN ALLUVIAL FAN, THE GRAVEL OF WHICH IS GOLD BEARING. SOME GOLD MINED IN 1917. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1973 Johnson, Maureen G. Nevada Bureau of Mines and Geology
Updater 01-MAY-1986 La Pointe, D. D. Nevada Bureau of Mines and Geology
Updater 01-NOV-1980 Royse, Sue E. 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.

External references

Authoritative Nevada resources

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