Last Chance Mine.

Past Producer in Graham county in Arizona, United States with commodity Lead
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10103738
MRDS ID M050090
Record type Site
Current site name Last Chance Mine.
Alternate or previous names Winthrop Claim.
Related records 10234940

Geographic coordinates

Geographic coordinates: -110.37957, 32.9776 (WGS84)
Elevation 1372
Relative position 2 MILES NW OF ARAVAIPA.

Site location context

Political divisions (FIPS codes)

Graham(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Booger Canyon(quadrangle 1:24,000 scale)

Mammoth(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle 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 Graham

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 005S 019E 23 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Lead Primary

Materials information

Materials Type of material
Galena Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Horse Mountain Silicic Lava And Tuff
    Rock description Horse Mountain Silicic Lava And Tuff

Nearby scientific data

(1) -110.37957, 32.9776

Economic information

Geologic structures

Type of structure Regional
Structure description Block Faulting Trending Nnw. ; Reg.Trends: Minor Pre-Cretaceous E And Ne Trending Folds And Major Post-Cretaceous Nnw Trending Faults.
Type of structure Local
Structure description Fault

Ore body information

  • General form TABULAR
    Strike N 25 W
    Dip 70 NE
    Width 0.91M

Controls for ore emplacement

  • Fault

Comments on the geologic information

  • GEOL.DESC: MINE IS IN FAULT BRECCIA ZONE 2-3 FT. WIDE WHICH CUTS INTERBEDDED VOLCANICS CUT BY 1 TO 3 INCH VEINLETS OF COARSE-GRAINED PB MINERALS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1942
Year of last production 1948

Mining district

District name Aravaipa District

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 92.96M
    Overall depth 35.05M

Comments on development

  • PAST OPERATORS INCLUDE LAST CHANCE MINING AND J.C. ANGLIN

Reference information

Bibliographic references

  • Deposit

    USGS PP 461

  • Deposit

    USGS BULL 763

  • Deposit

    USBM-ABGMT FILE DATA

  • Deposit

    1925 GEOLMAP ROSS, C.P. BULL. 763.

  • Deposit

    1964 GEOLMAP SIMONS, F.S. PROF. PAPER 461.

  • Production

    SIMONS, 1964.

General comments

Subject category Comment text
Deposit BRECCIA ZONE ALONG FAULT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1972 Bergquist, Joel R. U.S. Geological Survey
Updater 01-JAN-1982 Laraba, Peter (Gest, Don E.) 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.