Great Cross Cut Prospect

Producer in Yavapai county in Arizona, United States with commodities Tungsten, Silver, 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. 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. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10027167
MRDS ID M002347
Record type Site
Current site name Great Cross Cut Prospect
Alternate or previous names Pearl Adit, Glory Hole, Johnston Group
Related records 10162124

Geographic coordinates

Geographic coordinates: -112.28518, 34.01673 (WGS84)
Elevation 762
Relative position 2 MILES SE OF COLUMBIA

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Columbia(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 001E 20,29 SW (20); NW (29) Arizona

Comments on the location information

  • UTM COORDINATES FOR "GLORY HOLE" OF GREAT CROSSCUT VEIN. PEARL ADIT IS 2600 FT SOUTH IN SEC. 29

Commodities

Commodity Importance
Tungsten Critical Primary
Silver Tertiary
Gold Tertiary

Materials information

Materials Type of material
Gold Ore
Scheelite Ore
Silver Ore
Wolframite Ore
Barite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) None

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Crazy Basin Quartz Monzonite;Rhyolite Porphyry Dikes
    Rock description Crazy Basin Quartz Monzonite;Rhyolite Porphyry Dikes
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1720
    Dating method U-Pb (zircon)
    Type of media Zircon

Nearby scientific data

(1) -112.28518, 34.01673

Economic information

Geologic structures

Type of structure Regional
Structure description Batholith (Quartz Monzonite) Rather Massive And St-Uctureless, Foliation In Schist = N65e, 55nw
Type of structure Local
Structure description Vein Cuts Across Foliation

Ore body information

  • General form TABULAR, PINCH ANS SWELL
    Strike N10-25E
    Dip 55-80W
    Thickness 0.91M
    Length 914.4M
    Width 30.48M
    Depth to bottom 30.48M

Controls for ore emplacement

  • Faulting, Shearing

Comments on the geologic information

  • CROSSCUT IS VEIN SYSTEM CUTTING PROTEROZOIC QUARTZ MONZONITE AND SCHIST. RHYOLITE PORPHYRY DIKES OF CRET-PALEO AGE OCCUR IN FAULT AND ARE COINCIDENT WITH VEINS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1872
Year of first production 1875
Year of last production 1940

Mining district

District name Tip Top District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Jim Johnston
    First year 1961

Production statistics

  • Year 1955
    Accuracy Accurate
    Description Ap_Grade: ^15 Lbs. Wo3/Ton Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Wo3 Conc. Tungsten Tungsten 6776g/mt

Workings at the site

  • Type of workings Surface/Underground
    Length 213.36M

Comments on the workings information

  • PEARL ADIT IS SOUTHERNMOST EXPLORATION ON VEIN. "GLORY HOLE" IS 2600 FT NORTH OF PEARL ADIT. MINOR WORKINGS ARE 400 FT NORTH OF "GLORY HOLE."

Comments on development

  • GREAT CROSSCUT = 3 UNPATENTED CLAIMS

Reference information

Bibliographic references

  • Deposit

    DALE, V.B., 1961 , TUNGSTEN DEPOSITS OF GILA, YAVAPAI, MOHAVE COUNTIES, ARIZONA: U.S.B.M. INFORMATION CIRCULAR 8078 , P. 31

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    ARIZONA DEPT OF MINERAL RESOURCES FILE DATA

  • Production

    U.S.B.M. I.C. 8078 , P. 31 - 32 .

General comments

Subject category Comment text
Deposit Discovery Year: EARLY 1870'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-FEB-1982 Johnson, Kris H. (Creasey, S.C.) 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.