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  3. Mineral Resource Data System (MRDS)

Congress Extension Mine

Past Producer in Yavapai county in Arizona, United States with commodities Gold, Copper
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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 10026924
MRDS ID M001105
Record type Site
Current site name Congress Extension Mine
Alternate or previous names Senate Mine
Related records 10234633, 10234784

Geographic coordinates

Geographic coordinates: -112.85992, 34.20227 (WGS84)
Elevation 1012
Relative position 3 MILES N OF CONGRESS.

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Congress(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)

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 010N 006W 15 Arizona

Commodities

Commodity Importance
Gold Primary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) None

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -112.85992, 34.20227
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Granite Is Massive And Unfoliated
Type of structure Local
Structure description Veins Parallel Andesite Dikes Which Trend E-W And Dip At Low Angles, Less Than 40 Deg

Ore body information

  • General form LENTICULAR
    Strike W
    Dip 37 N
    Thickness 0.91M

Controls for ore emplacement

  • Faulting, Shearing, Igneous Activity

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Martinez District

Land status

Ownership category Private

Comments on the production information

  • ITEM ( 8 ) IS ESTIMATED FROM YEARLY PRODUCTION OF 35 TO 80 TONS OF ORE FROM 1923 - 1936 .

Workings at the site

  • Type of workings Underground
    Length 274.32M
    Overall depth 289.56M

Reference information

Bibliographic references

  • Deposit

    WILSON, E.D., 1934, ARIZONA LODE GOLD MINES AND GOLD MINING: ARIZONA BUREAU OF MINES BULLETIN 137 , P. 73

  • Production

    A.B.M. BULLETIN 137 , P. 73

General comments

Subject category Comment text
Deposit DEPOSIT IS QUARTZ VEIN WHICH CUTS PRECAMBRIAN GRANITE. VEIN USUALLY ASSOCIATED WITH ANDESITE AND MAFIC DIKES WHICH DIP SHALLOWLY TO THE NORTH.

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 Roth, Frances A. (Dewitt, Ed) U.S. Geological Survey

Beyond USGS

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

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.