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Oro Fino Mine

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

Geologic information

Identification information

Deposit ID 10039555
MRDS ID M050273
Record type Site
Current site name Oro Fino Mine
Alternate or previous names Noon Mine
Related records 10234513

Geographic coordinates

Geographic coordinates: -111.25152, 31.40764 (WGS84)
Elevation 1158

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 SE OF SE Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore

Alteration

  • (Local) Minor

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Sidewinder Quartz Monzonite;
    Rock description Sidewinder Quartz Monzonite;
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Oro Blanco Formation
    Rock description Oro Blanco Formation

Nearby scientific data

(1) -111.25152, 31.40764
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Nw- And Ne-Trending Fault Zones
Type of structure Local
Structure description Nw Quartz Dike; Dip Zone

Ore body information

  • General form LENSING

Controls for ore emplacement

  • Quartz Veins In Fault Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1912
Year of last production 1940

Mining district

District name Oro Blanco District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Oro Fino Mining Co.
    First year 1940

Production statistics

  • Year 1940
    Period 1890-1940
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^Averaged 0.6 Oz. Au Per Ton, 3 Oz. Ag Per Ton, And Some Pb And Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 85g/mt
    Major Ore Gold Gold 17g/mt

Comments on the workings information

  • WORKINGS INCLUDE A 340 FT SHAFT; 700 FT OF UNDERGROUND WORKINGS; A 580 FT ADIT

Comments on development

  • OTERH PAST OPERATORS INCLUDE: DELANTI (1936 AND 1939), FRED NOON (1937, 38), DANIELS (1935), AND WILLIAMS (1912)

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    YEEND, WARREN, 1973.

  • Deposit

    ABM BULL 191, P. 68.

  • Other Database

    CIMRI

  • Production

    ABM FILE DATA

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-MAY-1982 Laraba, Peter (Calder, Susan R) 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.