Iolanthe Prospect

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

Geologic information

Identification information

Deposit ID 10027005
MRDS ID M001701
Record type Site
Current site name Iolanthe Prospect
Alternate or previous names Dead Pine, El Moro

Geographic coordinates

Geographic coordinates: -109.34259, 33.13621 (WGS84)
Elevation 1780
Location accuracy 100(meters)
Relative position 2 1/4 MILES NE OF METCALF IN KING GULCH, Used Blm District Sheet 838 And Usgs Prof Paper 43 P. 354

Site location context

Political divisions (FIPS codes)

Greenlee(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mitchell Peak(quadrangle 1:24,000 scale)

Clifton(quadrangle 1:100,000 scale)

Clifton(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco(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 003S 029E 27,34 SE OF SE (27); NE OF NE (34) Arizona

Comments on the location information

  • LOCATED NEAR TOP OF DIVIDE SEPARATING PLACER AND KING GULCHES; ON NW SIDE OF RIDGE DESCENDING INTO KING GULCH; IOLANTHE CLAIM EXTENDS INTO SW QUARTER OF SECTION 26 AND NW QUARTER OF SECTION 35 ; INFO FROM LAND.ST :(1973)

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chrysocolla Ore
Malachite Ore
Serpentine Gangue

Alteration

  • (Local) Deposit Is Masked By Heavy Oxidation.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Morenci Granite Porphyry
    Rock description Morenci Granite Porphyry
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Modoc Limestone;Morenci Shale;Longfellow Limestone
    Rock description Modoc Limestone;Morenci Shale;Longfellow Limestone

Nearby scientific data

(1) -109.34259, 33.13621

Economic information

Geologic structures

Type of structure Regional
Structure description Ne Trending Narrow Porphyry Dikes In Vicinity; Veins In Region Consist Of Many Very Sharply Defined Fissure Planes Striking Nne
Type of structure Local
Structure description Morenci Porphyry Intrusion In Locality Is Fragmented By Masses Of Quartzite, Limestone, And Shale

Ore body information

  • General form IRREGULAR MASSES

Controls for ore emplacement

  • Deposits Form Irregular Masses Along Limestone - Porphyry Contact.

Comments on the geologic information

  • CONTACT DEPOSIT WAS PROBABLY ORIGINALLY CHARACTERIZED BY GARNET AND EPIDOTE GANGUE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1875
Year of last production 1902

Mining district

District name Copper Mountain District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Phelps Dodge Corp., Morenci Branch )
    First year 1922

Comments on the production information

  • PRODUCTION DATA MIGHT BE INCLUDED IN LONGFELLOW METCALF DATA; LONGFELLOW METCALF ALSO INCLUDES THE OTHER ARIZ COPPER CO LTD MINES OF LONGFELLOW, METCALF, CORONADO, DETROIT, JOY, YAVAPAI, HUMBOLDT, AND MAMMOTH

Comments on the workings information

  • TWO OR THREE TUNNELS ON NORTH SIDE OF THE RIDGE.

Comments on development

  • OWNERS INCLUDED ARIZ COPPER CO LTD; 3 PATENTED CLAIMS: (IOLANTHE, DEAD PINE, EL MORO)

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit Discovery Year: LATE 1800'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-79 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-DEC-81 Calder, Susan R. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.