Iolanthe Prospect

The Iolanthe Prospect is a copper mine located in Greenlee county, Arizona at an elevation of 5,840 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Iolanthe Prospect  

State:  Arizona

County:  Greenlee

Elevation: 5,840 Feet (1,780 Meters)

Primary Mineral: Copper

Lat, Long: 33.13611, -109.34194

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Iolanthe Prospect

Iolanthe Prospect MRDS details

Site Name

Primary: Iolanthe Prospect
Secondary: Dead Pine
Secondary: El Moro


Commodity

Primary: Copper


Location

State: Arizona
County: Greenlee
District: Copper Mountain District


Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Phelps Dodge Corp., Morenci Branch )
Years: 1922 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Contact Metamorphic
Operation Type: Unknown
Year Last Production: 1902
Discovery Year: 1875
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland


Mineral Deposit Model

Not available


Orebody

Form: IRREGULAR MASSES


Structure

Type: R
Description: Ne Trending Narrow Porphyry Dikes In Vicinity; Veins In Region Consist Of Many Very Sharply Defined Fissure Planes Striking Nne

Type: L
Description: Morenci Porphyry Intrusion In Locality Is Fragmented By Masses Of Quartzite, Limestone, And Shale


Alterations

Alteration Type: L
Alteration Text: Deposit Is Masked By Heavy Oxidation.


Rocks

Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian

Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene


Analytical Data

Not available


Materials

Ore: Malachite
Ore: Chrysocolla
Gangue: Serpentine


Comments

Comment (Workings): TWO OR THREE TUNNELS ON NORTH SIDE OF THE RIDGE.

Comment (Geology): CONTACT DEPOSIT WAS PROBABLY ORIGINALLY CHARACTERIZED BY GARNET AND EPIDOTE GANGUE

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

Comment (Location): 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)

Comment (Production): 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

Comment (Deposit): Discovery Year: LATE 1800'S


References

Reference (Deposit): BENNETT, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS UNIVERSITY OF ARIZONA, 153 P.

Reference (Deposit): LINDGREN, W., 1905 , THE COPPER DEPOSITS OF THE CLIFTON-MORENCI DISTRICT, ARIZONA: U.S.G.S. PROFESSIONAL PAPER 43 , P. 354

Reference (Deposit): BLM DISTRICT SHEET 838