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Tres Amigos Mine

Past Producer in Santa Cruz county in Arizona, United States with commodities Gold, Silver, 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. 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 10039542
MRDS ID M050249
Record type Site
Current site name Tres Amigos Mine
Alternate or previous names White Gold No. 3
Related records 10186709, 10210611

Geographic coordinates

Geographic coordinates: -111.25069, 31.41736 (WGS84)
Relative position ABOUT 4 MILES SW OF RUBY.

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bartlett Mountain(quadrangle 1:24,000 scale)

Atascosa Mountains(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rio De La Concepcion(hydrologic unit)

Rio De La Concepcion(hydrologic accounting unit)

Sonora(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 023S 011E 19 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Tertiary

Comments on the commodity information

  • SULFIDES WERE NOT FOUND BECAUSE DEVELOPMENT HAS NOT PENETRATED BEYOND OXIDIZED ZONE.

Materials information

Materials Type of material
Gold Ore
Silver Ore

Alteration

  • (Local) Kaolinization, Iron Or Manganese Oxides.; Qtz-Ser-Pyr

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Cobre Ridge Tuff;Sidewinder Quartz Monzonite
    Rock description Cobre Ridge Tuff;Sidewinder Quartz Monzonite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Cobre Ridge Tuff-Welded Tuff
    Rock description Cobre Ridge Tuff-Welded Tuff

Nearby scientific data

(1) -111.25069, 31.41736
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Block Faulting
Type of structure Local
Structure description Veins Sheared After Forming

Ore body information

  • General form TABULAR
    Strike N35W
    Dip STEEPLY NE.
    Length 609.6M
    Width 10.67M
    Depth to bottom 15.24M

Controls for ore emplacement

  • Gold Seems More Abundant In Concentrations Of Iron And Manganese Oxides.

Comments on the geologic information

  • BRECCIA ZONE REPRESENTS FLUIDIZED COUNTRY ROCK FRAGMENTS INTRUDED INTO PRE-EXISTING FEATURES. BRECCIA ZONES CUTQUARTZ SULFIDE VEINS AND ARE THE YOUNGEST MINERALIZATION IN THE DISTRICT-MAY BE EQUIVALENT IN AGE TO NW TRENDING FAULTS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1894
Year of last production 1960
Production years 1894-1904; 1930'S (D1); 1932-1942 (D2)

Mining district

District name Oro Blanco District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Noon
    First year 1960
  • Type Owner
    Owner Legend Group Ltd.
    First year 1933

Comments on the production information

  • GROSS ESTIMATE - REAL PRODUCTION UNKNOWN.

Workings at the site

  • Type of workings Underground
    Length 609.6M
    Overall depth 30.48M

Comments on the workings information

  • ALSO INCLUDES 3 STOPES - 60 FEET HIGH - 35 FEET LONG - MAXIMUM SIZE - ALL WITHIN 50 FEET OF SURFACE

Comments on development

  • OPERATORS INCLUDED DON DALE (1938-41), BECK (1937), L.E. MOORE (1935), E. SMITH (1933), ORO BLANCO MINING CO., ARTESIA INVESTMENT CO.

Reference information

Bibliographic references

  • Deposit

    WILSON ETAL, 1934- ARIZONA LODE GOLD MINES: ABM BULL. 137

  • Deposit

    KNIGHT, L.H.JR. 1970 - ORO BLANCO DISTRICT: UNIV. ARIZ. PH.D. THESIS.

  • Deposit

    KEYES, C.R. 1923 - TRES AMIGOS GOLD VEINS: PAN. AM. GEOL. V. 39, P. 159-60

  • Deposit

    YEEND, WARREN, 1973

  • Deposit

    5)KEITH, S.B., 1975, ARIZ. BUREAU OF MINES, BULL. 191, P.68.

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    ABM BULL 191, P. 68

  • Other Database

    CIMRI

  • Production

    KNIGHT, 1970; KEYES, 1923; ABM FILE DATA

General comments

Subject category Comment text
Deposit MINERALIZATION IS CLEAR OR YELLOW FINELY CRYSTALLINE QUARTZ THAT CEMENTS BRECCIA FRAGMENTS AND A SMALL AMOUNT OF IRON AND MANGANESE OXIDES.
Deposit BRECCIA ZONES CUT QUARTZ SULFIDE VEINS AND ARE THE YOUNGEST MINERALIZATION IN DISTRICT - MAY BE EQUIVALENT IN AGE TO NW TRENDING FAULTS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV
Deposit First Production Year: 1894-1904

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-MAY-1982 Unknown 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.