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Comstock and Dexter Mine

Producer in Yavapai county in Arizona, United States with commodities Gold, Silver, Copper, 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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10027601
MRDS ID M003483
Record type Site
Current site name Comstock and Dexter Mine
Related records 10137558

Geographic coordinates

Geographic coordinates: -113.20994, 34.61698 (WGS84)
Elevation 1036
Relative position 2.5 MILES WNW OF LAWLER PEAK

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bagdad(quadrangle 1:24,000 scale)

Bagdad(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Burro(hydrologic unit)

Bill Williams(hydrologic accounting unit)

Lower Colorado(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 015N 009W 28 N2 OF NW Arizona

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary
Lead Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrite Ore
Silver Ore
Sphalerite Ore
Quartz Gangue

Alteration

  • (Local) None

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Lawler Peak Granite;Quartz Monzonite Porphyry Dikes
    Rock description Lawler Peak Granite;Quartz Monzonite Porphyry Dikes
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
    Rock unit name Hillside Mica Schist
    Rock description Hillside Mica Schist
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -113.20994, 34.61698
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Schist Trends N-S To N20w; Major N-S Trending Faults
Type of structure Local
Structure description Veins Parallel Quartz Monzonite Porphyry Dikes Or Faults

Ore body information

  • General form STRINGERS, IRREGULAR BUNCHES
    Strike N
    Dip 90
    Width 0.91M

Controls for ore emplacement

  • Faulting, Shearing

Comments on the geologic information

  • DEPOSIT IS QUARTZ VEIN THAT CUTS PROTEROZOIC QUARTZ-MICA SCHIST AND MUSCOVITE GRANITE. VEINS ARE UNRELATED AND YOUNGER THAN GRANITE, BUT ARE GENETICALLY RELATED TO QUARTZ MONZONITE PORPHYRY DIKES

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Eureka District

Land status

Ownership category Private

Comments on the production information

  • MOST ORE MINED WAS OXIDIZED AND FROM THE UPPER LEVEL, WITH AVERAGE VALUES LESS THAN $16 PER TON

Workings at the site

  • Type of workings Underground
    Length 1219.2M

Reference information

Bibliographic references

  • Deposit

    ANDERSON, C.A., 1955 , GEOLOGY AND ORE DEPOSITS OF THE BAGDAD AREA, YAVAPAI COUNTY, ARIZONA: U.S.G.S. PROF. PAPER 278 , P. 89 - 92

  • Deposit

    WILSON, E.D., 1934 , ARIZONA LODE GOLD MINES AND GOLD MINING: ARIZONA BUREAU OF MINES BULLETIN 137 , P. 25

General comments

Subject category Comment text
Deposit TWO INTERSECTING VEINS AT MINE

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-NOV-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.

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.