Antietam Mine

The Antietam Mine is a copper mine located in Greenlee county, Arizona at an elevation of 5,259 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: Antietam Mine  

State:  Arizona

County:  Greenlee

Elevation: 5,259 Feet (1,603 Meters)

Primary Mineral: Copper

Lat, Long: 33.13306, -109.34694

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 Antietam Mine

Antietam Mine MRDS details

Site Name

Primary: Antietam Mine
Secondary: Boulder Claim
Secondary: Shannon Property
Secondary: Antietam Claim
Secondary: Leo C Claim


Commodity

Primary: Copper
Secondary: Silver
Secondary: Gold


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

Type: Underground


Ownership

Owner Name: Phelps Dodge Corp., Morenci Branch


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1902
Year Last Production: 1903
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


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: Adjacent To Morenci Quartz Monzonite Porphyry Intrusion; Porphyry Is Fragmented By Masses Of Quartzite, Limestone, And Shale


Alterations

Alteration Type: L
Alteration Text: Extensive Surface Oxidation To Unknown Depths


Rocks

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

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic


Analytical Data

Analytical Data: 4 % CU, $8 AU/TON, 5 OZ. AG/TON


Materials

Ore: Chalcopyrite
Ore: Chalcocite
Ore: Pyrite
Ore: Cuprite
Ore: Copper


Comments

Comment (Location): LOCATED IN KING GULCH; 1.0 MILE NE OF SHANNON MOUNTAIN. ; INFO FROM LAND.ST :(1973)

Comment (Development): OPERATORS INCLUDED P.F. CROWLEY; 2 PATENTED CLAIMS ARE ANTIETAM AND LEO C.; OWNERS INCLUDED THE DETROIT COPPER MININC CO OF ARIZONA; NEW ENGLAND AND CLIFTON COPPER MINES CO.

Comment (Workings): DEVELOPMENTS INCLUDED A 2-COMPARTMENT SHAFT TO DEPTH OF 140 FT; TRAMLINE FROM MINE TO THE SHANNON RAILWAY.

Comment (Geology): ORES CONSIST CHIEFLY OF CHALCOPYRITE AND PYRITE IN ALTERED GRANITE; VEIN CONTINUES NORTHWARD ONTO THE BOULDER CLAIM (PROPERTY FORMERLY OF ARIZONA COPPER CO. LTD) AND SOUTHWARD ONTO THE OLD SHANNON COPPER CO PROPERTY.


References

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): ABGMT-USBM FILE DATA.

Reference (Deposit): WEED, 1914, THE COPPER HANDBOOK, V. 11, P. 318, DETROIT COPPER MINING CO OF ARIZ.

Reference (Deposit): STEVENS, 1911, THE COPPER HANDBOOK, V. 10, P. 1285, NEW ENGLAND AND CLIFTON COPPER CO.

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 (Other Database): CIMRI


Arizona Gold

Where to Find Gold in Arizona

"Where to Find Gold in Arizona" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more at Where to Find Gold in Arizona.