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Connecticut Mine

Producer in Santa Cruz county in Arizona, United States with commodities Copper, Lead, Silver, Zinc, Gold
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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 10046331
MRDS ID M241260
Record type Site
Current site name Connecticut Mine
Related records 10113210

Geographic coordinates

Geographic coordinates: -110.86874, 31.66041 (WGS84)
Elevation 1707
Relative position 3 MILES SW OF MT. WRIGHTSON (ELV. 9453)

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Wrightson(quadrangle 1:24,000 scale)

Fort Huachuca(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Santa Cruz

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 020S 014E 25 SE OF SW Arizona

Comments on the location information

  • IN JOSEPHINE CANYON, 1/2 MILE NORTH OF MOUTH OF COPPER CANYON ; INFO FROM LAND.ST :(1979)

Commodities

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

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Malachite Ore
Sphalerite Ore

Alteration

  • (Local) At Depth, Shear Zone Ledge Is Composed Mainly Of Closely Sheeted, Sheared, And Partly Altered Diorite

Analytical data

Result ORE AVERAGED: 11% CU, 9% PB, 8 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Josephine Canyon Diorite
    Rock description Josephine Canyon Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -110.86874, 31.66041
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Sw End Of Gardner Canyon Dike Swarm; Veins In Region Generally Strike E-W And Can Be Traced Only A Few 100 Ft
Type of structure Local
Structure description Seams Or Stringers Of Oxidized Ferruginous Material Concentrated Along Sheeting Planes Of Shear Zone

Ore body information

  • General form TABULAR
    Dip STEEPLY SOUTH
    Width 1.37M
  • General form TABULAR
    Dip STEEPLY SOUTH

Controls for ore emplacement

  • Bands Or Stringers Along Fault Or Shear Zone Ledge In Quartz Diorite

Comments on the geologic information

  • TOWARD FACE OF DRIFT, HORIZONTAL GROOVING INDICATES CONSIDERABLE LATERAL MOVEMENT ALONG SHEAR ZONE; GARDNER CANYON DIKE SWARM CONSISTS OF RHYOLITE PORPHYRY DIKES, MOST OF WHICH TREND N50-60E AND DIP NEARLY VERTICALLY

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1895
Discoverer R.R. Richardson
Year of first production 1913
Year of last production 1937

Mining district

District name Wrightson District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Martin B. Wilson
    First year 1937

Workings at the site

  • Type of workings Underground
    Overall depth 121.92M

Comments on the workings information

  • 240-FT DRIFT 110 FT ABOVE THE BOTTOM OF THE CANYON WITH UPRAISES AND STOPES FOUND ALONG THE MIDDLE SECTION; 80-FT DRIFT 3 FT BELOW BOTTOM OF CANYON

Comments on development

  • OTHER PAST OPERATORS INCLUDE: O. A. REID (1936), PARKER AND REED (1931), RICHARDSON (1930), MCCUTCHEN AND HOGAN (1913-1914); DEVELOPED IN MID-1890'S AND PRODUCED INTERMITTENTLY THROUGH 1937; CONNECTICUT GROUP COMPRISES 12 CLAIMS

Reference information

Bibliographic references

  • Deposit

    USBM-ABGMT PRODUCTION FILE DATA

  • Deposit

    USBM-FILE DATA-CLUSTER #131, CONNECTICUT MINE

  • Deposit

    USGS BULL 582, P. 189-190

  • Deposit

    ARIZ BUR MINES BULL 191, P. 84

  • Deposit

    ABGMT FILES STANTON B. KEITH

  • Deposit

    USGS MAP I-614

  • Deposit

    USGS PP 748, P. 11-12

  • Deposit

    ROHRBACHER, ROBERT G., 1964, GEOLOGY OF THE TEMPORAL GULCH-MANSFIELD CANYON AREA, SANTA CRUZ COUNTY, ARIZONA; M.S. THESIS, UNIVERSITY OF ARIZONA, P. 65-73

  • Deposit

    ABGMT CLIPPINGS FILE, CONNECTICUT MINE

General comments

Subject category Comment text
Deposit MAIN VEIN OR SHEAR ZONE LEDGE AVERAGES 4 1/2 FT WIDE; LEDGE IS INTERSECTED BY 2-6 INCH BAND OF ORE THAT DIPS TRANSVERSELY TO NNE; TOWARD FACE OF DRIFT THIS VEIN STRAIGHTENS UP AND BECOMES 2-3 INCH BAND OF GOUGE CONTAINING SPARSELY DISSEMINATED PYRITE AND CHALCOPYRITE ON HANGING-WALL SIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1982 Laraba, Peter (Calder, Susan) 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.