Green Monster Mine

Producer in Yavapai county in Arizona, United States with commodities Copper, Gold, Silver
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10027303
MRDS ID M002774
Record type Site
Current site name Green Monster Mine

Geographic coordinates

Geographic coordinates: -112.07602, 34.71365 (WGS84)
Elevation 1394
Relative position 3 1/2 MILES SW OF COTTONWOOD

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cottonwood(quadrangle 1:24,000 scale)

Prescott(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Verde(hydrologic unit)

Verde(hydrologic accounting unit)

Salt(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 015N 003E 07 NW Arizona

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Gold Ore
Chlorite Gangue
Pyrite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Chloritization, Sericitization

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Meta-Basalt
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Deception Rhyolite, Quartz Porphyry;Shea Basalt
    Rock description Deception Rhyolite, Quartz Porphyry;Shea Basalt
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Metavolcanic Rocks Trends N10w To N40w
Type of structure Local
Structure description Massive Sulfide Lenses Elongate Parallel To Bedding In Metavolcanic Rocks

Controls for ore emplacement

  • Stratigraphy, Igneous Activity

Comments on the geologic information

  • DEPOSIT IS MASSIVE SULFIDE LENS IN METARHYOLITE OR NEAR CONTACT OF METARHYOLITE AND METABASALT

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Verde District

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Overall depth 283.46M

Comments on development

  • INCLUDES THE TREADWELL, BROOKSHIRE, LAYMAN, CLARK, AND HOPKINS GROUPS OF CLAIMS

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-MAR-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-OCT-1981 Laraba, Peter (Dewitt, Ed) U.S. Geological Survey

Beyond USGS

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

Authoritative Arizona resources

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