St. Patrick Mine

Past Producer in Santa Cruz county in Arizona, United States with commodities Silver, Lead, Gold, Copper, Zinc
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. Production statistics
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10039615
MRDS ID M050502
Record type Site
Current site name St. Patrick Mine
Related records 10137986

Geographic coordinates

Geographic coordinates: -111.1004, 31.37597 (WGS84)
Relative position NEAR RUBY.

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pena Blanca Lake(quadrangle 1:24,000 scale)

Atascosa Mountains(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 024S 012E 03 NE OF NE Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

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

Comments on the commodity information

  • MINOR GOLD, COPPER AND ZINC IN GOUGE AND FRACTURE FILLINGS; HIGH GRADE SILVER POCKETS IN OXIDIZED PYRITE GOSSAN.

Materials information

Materials Type of material
Amethyst Gangue
Calcite Gangue
Fluorite Gangue
Quartz Gangue

Alteration

  • (Local) Marcasite To Galena To Anglesite And Cerussite; Pyrite Gossan

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
    Rock unit name Salero Formation;Pajarito Lavas
    Rock description Salero Formation;Pajarito Lavas

Nearby scientific data

(1) -111.1004, 31.37597

Economic information

Geologic structures

Type of structure Regional
Structure description Nw-Trending Fault Zone

Ore body information

  • General form NARROW AND LENSING, IRREGULAR
    Strike N45E
    Dip 85 SE

Controls for ore emplacement

  • Steeply Dipping Ne Shear Zones; Ore Occurs As Scattered Pockets Within Nw Trending Fault Zone

Comments on the geologic information

  • ORE IS FOUND ONLY WITHIN BOUNDING FAULT PLANES; NO TRACE OF THE HOST ROCK LEFT IN THE SHEAR ZONE EXCEPT FOR SOME QUARTZ PHENOCRYSTS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1924
Year of last production 1935

Mining district

District name Pajarito District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner F. M. Means
    First year 1935

Production statistics

  • Year 1930
    Period 1900-1930'S
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^Averaged 110 Oz. Ag Per Ton, 18 % Pb, And Minor Au, Cu.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 3106g/mt
    Minor Ore Lead Lead 18wt-pct

Comments on the production information

  • HIGH GRADE SILVER MINED FROM SURFACE PRIOR TO 1900.

Comments on the workings information

  • SHALLOW SHAFT AND ADIT OPERATIONS

Comments on development

  • OPERATORS INCLUDED P. CLARKE (1935)

Reference information

Bibliographic references

  • Deposit

    CORNWALL, H.R, 1973.

  • Deposit

    USBM-ABGMT PRODUCTIONS FILE DATA.

  • Deposit

    USBM FILE DATA - CLUSTER #20 - ST. PATRICK MINE.

  • Deposit

    ABM BULL 191, P. 72.

  • Deposit

    NELSON, F.S., 1963, THE GEOLOGY OF THE PENA BLANCA AND WALKER CANYON AREAS, SANTA CRUZ COUNTY, ARIZONA; MS THESIS, UNIVERSITY OF ARIZONA.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit ORE IN GOUGE AND FRACTURE FILLINGS. HIGH GRADE SILVER POCKETS IN OXIDIZED PYRITE GOSSAN.
Deposit PRODUCED SMALL TONNAGES OF SILVER & LEAD WITH BYPRODUCT COPPER & GOLD 1920'S & 1930'S. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-MAY-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

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.