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  3. Mineral Resource Data System (MRDS)

Unknown No. 2 Claim

Past Producer in Cochise county in Arizona, United States with commodity Manganese
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10258246
MRDS ID M241103
MAS/MILS ID 0040030344
Record type Site
Current site name Unknown No. 2 Claim
Related records 10104072

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -109.91175, 31.42654 (WGS84)
Elevation 1798
Location accuracy 100(meters)

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 023 S 024 E 16 C S2 Arizona

Commodities

Commodity Importance
Manganese Critical Primary

Nearby scientific data

Main Entrance (1) -109.91175, 31.42654
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Calumet And Arizona Mining Co
    Interest 100
    Home office Arizona
  • Type Owner-Operator
    Owner Phelps Dodge Corp
    Interest 100
    Home office New York
    Year 1979

Reference information

Bibliographic references

  • Deposit

    KEITH S B 1973 ARIZ BUR MINES BULL 187 P 90

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-83 ADMR U.S. Bureau of Mines

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.