Jerome - Grande Prospect

Occurrence in Yavapai county in Arizona, United States with commodity Copper
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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10027267
MRDS ID M002673
Record type Site
Current site name Jerome - Grande Prospect
Related records 10186670

Geographic coordinates

Geographic coordinates: -112.13296, 34.74226 (WGS84)
Elevation 1684
Relative position 1 MILE SW OF JEROME.

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hickey Mountain(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 016N 002E 27 Arizona

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Chlorite Gangue
Quartz Gangue
Sericite Gangue
Pyrite Unknown

Alteration

  • (Local) Chloritization, Sericitization

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

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 Host
    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 Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Deception Rhyolite;Grapevine Gulch Formation
    Rock description Deception Rhyolite;Grapevine Gulch Formation
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon

Nearby scientific data

(1) -112.13296, 34.74226

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Metavolcanic Rokcs 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 OR CONTACT OF METARHYOLITE AND METASEDIMENTARY UNITS

Economic information about the deposit and operations

Development status Occurrence
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
    Length 609.6M
    Overall depth 255.42M

Reference information

General comments

Subject category Comment text
Deposit MINE WAS OPENED TO FIND A SOUTHWARD EXTENSION OF THE UNITED VERDE ORE BODIES, BUT NONE WAS FOUND. ; INFO.SRC : 1 PUB LIT

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-FEB-1982 Dewitt, Ed H. Arizona Bureau of Geology and Mineral Technology

Beyond USGS

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

External references

Authoritative Arizona resources

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