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  3. Mineral Resource Data System (MRDS)

Cayuga Mine

Producer in Greenlee county in Arizona, United States with commodities Copper, Zinc
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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. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10048288
MRDS ID M800417
Record type Site
Current site name Cayuga Mine

Geographic coordinates

Geographic coordinates: -109.39704, 33.08482 (WGS84)
Elevation 1512
Relative position 2.5 MILES WNW OF MORENCI.

Site location context

Political divisions (FIPS codes)

Greenlee(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Copperplate Gulch(quadrangle 1:24,000 scale)

Clifton(quadrangle 1:100,000 scale)

Clifton(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gila-San Carlos Reservoir(hydrologic unit)

Upper Gila(hydrologic accounting unit)

Upper Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Greenlee

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 004S 029E 18 N2 OF SE OF S2 OF NE Arizona

Comments on the location information

  • LOCATED ON RIDGE E OF PINKARD GULCH & W OF COPPER MOUNTAIN. ; INFO FROM LAND.ST :(1973)

Commodities

Commodity Importance
Copper Primary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Sphalerite Ore
Epidote Gangue
Limonite Gangue
Magnetite Gangue
Orthoclase Gangue
Quartz Gangue

Alteration

  • (Local) Distinct Contact Metamorphic Zone Between Limestones And Porphyry, Assoicated With A Hardening Of Sedimentary Layers And Substantial Development Of Epidote And Magnetite

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Coronado Quartzite;Morenci Granite Porphyry
    Rock description Coronado Quartzite;Morenci Granite Porphyry
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Longfellow Limestone
    Rock description Longfellow Limestone

Nearby scientific data

(1) -109.39704, 33.08482
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Ne Trending Granite Porphyry Dikes; Alternating Sandstone And Shale Beds Form Irregular Areas Almost Entirely Surrounded By Morenci Granite Porphyry
Type of structure Local
Structure description E-W Trending Fissure Vein With Well-Defined Footwall Of Quartzite And Hanging Wall Of Limestone

Ore body information

  • Strike EW
    Dip 55S

Controls for ore emplacement

  • Ne Trending Fissures In Sedimentary Sequences; Contact Metamorphic Replacements Along The Margin Of Porphyry Intrusions

Comments on the geologic information

  • FISSURE VEIN MIGHT BE A CONTINUATION OF THE SOTO FAULT AND VEIN SYSTEM TO THE WEST. PORPHYRY IN THIS REGION TENDS TO FORM INTRUSIVE SHEETS BETWEEN THE SEDIMENTS WHICH DIP 10-30 SW. REGIONAL FAULTING PRIOR TO INTRUSION AND MINERALIZATION. LONGFELLOW LIMESTONES ARE EXTENSIVELY EXPOSED IN THIS REGION.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Copper Mountain District

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    BLM DISTRICT SHEET 840.

  • Deposit

    USGS PP 43, P. 297-298.

  • Deposit

    BENNET, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153 P.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit VEIN ACCOMPANIES CAYUGA FAULT (MAJOR REGIONAL FAULT). ADJACENT TO DOVER COPPER GROUP, GOLD BELT PROPERTY (PRESENTLY PHELPS DODGE CORPORATION HOLDINGS).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1981 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.

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.