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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Willis Mine

Producer in Yavapai county in Arizona, United States with commodities Copper, Gold, Silver
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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. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10048156
MRDS ID M800204
Record type Site
Current site name Willis Mine
Alternate or previous names Buckhorn Property

Geographic coordinates

Geographic coordinates: -112.46713, 34.01034 (WGS84)
Elevation 853
Relative position 1.4 MILES SOUTH OF BLACK BUTTE

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Copperopolis(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Agua Fria(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 008N 002W 28 SW OF NE Arizona

Comments on the location information

  • LOCATED ON NORTH SIDE OF BUCKHORN CREEK. WILLIS MINE NOT THE SAME AS THE BUCKHORN MINE, 2 MILES TO THE NORTHWEST

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Minor Fe-Staining

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Amphibole Schist
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -112.46713, 34.01034
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Veins Parallel Low-Angle (Less Than 50 Degree Dip) Faults Which Trend Nw
Type of structure Regional
Structure description Foliation In Precambrian Schist Trends N 20 E To N 50 E. Tertiary Vlcanics Dip Ne, Strike Nw

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Faulting, Shearing

Comments on the geologic information

  • DEPOSIT IS QUARTZ VEIN LOCALIZED ALONG LOW-ANGLE FAULT WHICH PROBABLY DISPLACES TERTIARY VOLCANIC ROCKS TO THE SOUTHEAST. DEPOSIT AGE PROBABLY MIOCENE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discoverer L.F. Willis
Year of first production 1929
Year of last production 1929

Mining district

District name Castle Creek District

Ownership information

  • Type Owner-Operator
    Owner L. F. Willis
    First year 1929

Reference information

Bibliographic references

  • Deposit

    USBM-ABGMT FILE DATA

  • Deposit

    AZ DEPT MIN. RESOURCES FILE DATA.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1981 Laraba, Peter (Dewitt, Ed) Arizona Bureau of Geology and Mineral Technology

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.