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  3. Mineral Resource Data System (MRDS)

No. 4 Claim

Past Producer in Cochise county in Arizona, United States with commodities Manganese, Copper, Silver
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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 10104071
MRDS ID M241097
Record type Site
Current site name No. 4 Claim
Related records 10282731

Geographic coordinates

Geographic coordinates: -109.91482, 31.41958 (WGS84)
Elevation 1768
Relative position APPROX. 1 1/2 MI. W OF WARREN

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bisbee(quadrangle 1:24,000 scale)

Douglas(quadrangle 1:100,000 scale)

Douglas(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 023S 024E 21 NE OF SW OF NW Arizona

Commodities

Commodity Importance
Manganese Critical Primary
Copper Secondary
Silver Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Psilomelane Ore
Calcite Gangue
Pyrite Gangue

Alteration

  • (Local) Gossan With Mn And Fe Oxides Induced By Hydrothermal Metamorphism

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Sacramento Hill Stock
    Rock description Sacramento Hill Stock
    Stratigraphic age (youngest) Jurassic
    Chronological age 170.5
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Miss. Escabrosa Limestone
    Rock description Miss. Escabrosa Limestone

Nearby scientific data

(1) -109.91482, 31.41958
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Pre-Mineralization Faulting And Tilting Common
Type of structure Local
Structure description Main Fault Directions, N10w To N40e, S30w To N50w, Pre-Mineralization

Ore body information

  • General form IRREGULAR
    Strike N25E
    Dip 80+
    Length 60.96M
    Width 4.57M

Controls for ore emplacement

  • Ore Bodies Near Dikes And Sills, And Faulting And Assciated Brecciation

Comments on the geologic information

  • IRREGULAR PRONGS OF ORE EXTEND INTO THE LIMESTONE ON EACH SIDE OF THE ORE ZONE. SOME FOLLOW BEDDING PLANES, AND OTHERS CUT ACROSS THE BEDS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1918
Year of last production 1921

Mining district

District name Warren District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Phelps Dodge Corp.
  • Type Owner
    Owner Phelps Dodge Corp

Comments on the production information

  • PRODUCTION UNDER PHELPS DODGE CORP

Workings at the site

  • Type of workings Unknown
    Area 0.023HA
    Length 38.1M
    Overall depth 13.72M
    Overall length 38.1M
    Overall width 6.1M

Comments on the workings information

  • OPEN CUT FOLLOWS THE ZONE NORTHWARD 125 FT, IS 10-20 FT WIDE AND REACHES A DEPTH OF ABOUT 45 FT AT THE FACE. NEAR THE FACE, AN UNDERHAND STOPE EXTENDED NORTHWARD ALONG THE ZONE AN EXTRA 50 TO 60 FT. THE STOPE REACHED A MAX DEPTH OF 20 FT OR MORE BELOW THE OPEN CUT FLOOR

Comments on development

  • NO. 4 CLAIM IS ON THE SW SLOPE OF ESCABROSA RIDGE, THE DEPOSIT RUNS NORTHWARD INTO THE SUMMIT CLAIM OF THE CALUMET AND ARIZONA MINING CO.

Reference information

Bibliographic references

  • Deposit

    KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 89.

  • Deposit

    FARNHAM, 1961, USBM IC 7990, P. 11

  • Production

    KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.

General comments

Subject category Comment text
Deposit HARD MANGANESE OXIDE IN IRREGULAR PODS AND PIPES ALONG A FRACTURE AND BRECCIA ZONE IN LIMESTONE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1980 Zigler, Jan L. 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.

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

  • Phelps Dodge Corp. — acquired by Subsidiary of Freeport-McMoRan (2007)
    Acquired by Freeport-McMoRan Copper & Gold in 2007 in what was then the largest mining-industry deal ever (~US$26 B).

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.

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.