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Empire Mine

Producer in Yavapai county in Arizona, United States with commodities Copper, Gold, Silver, Lead
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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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10048236
MRDS ID M800338
Record type Site
Current site name Empire Mine
Alternate or previous names Empire Vein
Related records 10259219

Geographic coordinates

Geographic coordinates: -112.42241, 34.46727 (WGS84)
Elevation 2012
Relative position 1.1 MILES WEST-NORTHWEST OF SPRUCE MOUNTAIN LOOKOUT TOWER

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Groom Creek(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Hassayampa(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Prescott National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 013N 002W 36 NW OF NE OF NW Arizona

Comments on the location information

  • UTM COORDINATES TO PROSEPCT SYMBOL NEAR CENTER OF EMPIRE PATENTED CLAIM

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Secondary
Lead Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Minor

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Paleoproterozoic
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Green Gulch Volcanics
    Rock description Green Gulch Volcanics
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Meta-Basalt
  • Host or associated Host
    Rock type Metamorphic Rock > Amphibolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -112.42241, 34.46727
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Rocks Trends N10e To N20e
Type of structure Local
Structure description Veins Parallel Foliation And Crosscut It By 10-20 Degrees, Trending N20e To N-S

Ore body information

  • General form TABULAR
    Strike N20W
    Dip STEEP

Controls for ore emplacement

  • Faulting, Igneous Activity, Especially Dike Emplacement

Comments on the geologic information

  • DEPOSIT IS QUARTZ VEIN WHICH CUTS PROTEROZOIC ROCKS. LOCALIZED NEAR RHYOLITE DIKES

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1877
Year of first production 1912
Year of last production 1941

Mining district

District name Groom Creek District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Groom Creek Mining And Milling Co.
    First year 1940

Workings at the site

  • Type of workings Underground
    Overall depth 121.92M

Comments on the workings information

  • SHAFT SUNK TO 300 FT DEPTH (1926). SHAFT TO 400 FT (1940). MAIN TUNNEL 550 FT LONG OTHER SHAFTS ARE 60 FT, 40 FT.

Comments on development

  • EMPIRE MINE PRODUCTION MAY POSSIBLY BE CONFUSED WITH OTHER EMPIRE MINE NEAR JERSEY LILY MINE, 6 MILES TO THE SOUTHWEST

Reference information

Bibliographic references

  • Deposit

    USGS BULL 782, P. 114

  • Deposit

    USBM-ABGMT FILE DATA

  • Deposit

    ABM BULL 137, P. 33

  • Deposit

    USGS GEOLOGIC MAP GQ-997

General comments

Subject category Comment text
Deposit EMPIRE VEIN APPEARS TO BE SOUTHERN CONTINUATION OF MONTE CRISTO-HIDDEN TREASURE
Deposit Discovery Year: LATE 1870'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1981 Dewitt, Ed H. 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 Arizona resources

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