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Black Rock Mine

Producer in Yavapai county in Arizona, United States with commodities Gold, Silver, Copper, Zinc, 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 10048157
MRDS ID M800205
Record type Site
Current site name Black Rock Mine
Related records 10283460

Geographic coordinates

Geographic coordinates: -112.58269, 34.07395 (WGS84)
Elevation 1021
Relative position 2.3 MILES NORTHWEST OF MORGAN BUTTE

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Morgan Butte(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)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 009N 003W 33 SW OF SW Arizona

Comments on the location information

  • UTM COORDINATES TO SHAFT ON WEST END OF OLYMPIA CLAIM.

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Tertiary
Zinc Critical Tertiary
Lead Tertiary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Gold Ore
Quartz Gangue

Alteration

  • (Local) Minor To None

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -112.58269, 34.07395
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Veins (And Genetically-Related (?)) Dikes Trend N10w To N40w And Crosscut Precambrian Fabric
Type of structure Regional
Structure description Foliation In Precambrian Schist And Gneiss Trends N 25 E To N 65 E

Ore body information

  • General form TABULAR
    Strike N 54 W
    Dip 45 TO 60 NE
    Plunge 45 TO 60 NE
    Plunge direction N 36 E
    Thickness 1.22M
    Length 609.6M
    Width 64.01M
    Depth to bottom 103.63M

Controls for ore emplacement

  • Faulting, Shearing, Igneous Activity-Dikes

Comments on the geologic information

  • DEPOSIT IS HIGH-ANGLE QUARTZ VEIN WHICH IS ASSOCIATED WITH RHYOLITE OR ANDESITE DIKES OF PROBABLE MID-TERTIARY AGE THAT CUT PRECAMBRIAN IGNEOUS AND METAMORPHIC ROCKS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1902
Discoverer Sam Powell
Year of first production 1940
Year of last production 1941

Mining district

District name Black Rock District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Black Rock Mining Co.

Workings at the site

  • Type of workings Underground
    Area 0.096HA
    Length 350.52M
    Overall depth 103.63M
    Overall length 67.06M
    Overall width 15.24M

Comments on the workings information

  • MAIN SHAFT (INCLINED 40 TO 60 DEGREES) 340 FT DEEP. LEVELS AT 55, 100, 210 FEET. ADIT ON 100 LEVEL CONNECTS TO SURFACE. STOPES ON 100 FT ADIT LEVEL

Comments on development

  • PATENTED CLAIM GROUP INCLUDES GOLD BUG, OLYMPIA, OLYMPIA EXTENSION, AND CACTI CLAIMS, AND POSSIBLY THE MERCURY, ROSALIND AND CHOICE CLAIMS. MAIN SHAFT AND ADIT ON OLYMPIA CLAIM. PRODUCTION SMALL

Reference information

Bibliographic references

  • Deposit

    USBM-ABGMT FILE DATA

  • Deposit

    ABGMT CLIPPINGS FILES

  • Deposit

    AZ DEPT MIN. RESOURCES FILE DATA

  • Deposit

    THE MINES OF WICKENBURG, CA 1907, PUBLISHED BY WICKENBURG BUSINESSMAN AND MINES.

General comments

Subject category Comment text
Deposit VEIN CUT BY DIORITE DIKE. OXIDIZED TO CONSIDERABLE DEPTH. PORPHYRY DIKES ASSOCIATED WITH VEIN PROTORE BELOW 190 FT LEVEL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1981 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

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.