Mc Coy Adit

The Mc Coy Adit is a mine located in Grand county, Utah at an elevation of 10,719 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: Mc Coy Adit  

State:  Utah

County:  Grand

Elevation: 10,719 Feet (3,267 Meters)

Commodity:

Lat, Long: 38.52944, -109.22306

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 Mc Coy Adit

Mc Coy Adit MRDS details

Site Name

Primary: Mc Coy Adit


Commodity

Tertiary: Copper
Tertiary: Silver
Tertiary: Gold


Location

State: Utah
County: Grand
District: La Sal Mtns.


Land Status

Land ownership: National Forest
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

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Canyon Lands
Physiographic Detail: La Sal Mountains


Mineral Deposit Model

Not available


Orebody

Form: IRREGULAR


Structure

Type: L
Description: Laccolithic Mountains


Alterations

Alteration Type: L
Alteration Text: Hemitization


Rocks

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

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


Analytical Data

Not available


Materials

Ore: Bornite
Ore: Malachite
Ore: Chalcopyrite
Gangue: Hematite
Gangue: Quartz
Gangue: Pyrite


Comments

Comment (Workings): 3 ADITS, 2 ARE CAVED. THE OPEN ADIT HAS 30 FT. OF ACCESSABLE WORKINGS AND AN INTERIOR SHAFT FLOODED TO THE TOP. ADIT CONTINUES BEYOND SHAFT. 3 PROSPECT PITS ARE PRESENT

Comment (Location): SECTION SUBDIVISION: SE, NW, SEC. 24

Comment (Deposit): COPPER MINERALIZATION IS SPOTTY IN SHEARED DIORITE PORPHRY


References

Reference (Deposit): 1958 COMPILE HUNT, C.B., PROFESSIONAL PAPER 294-

Reference (Deposit): HUNT, C.B. 1958 , STRUCTURE AND IGNEOUS GEOLOGY OF THE LA SAL MOUNTAINS, UTAH: USGS PROF PAPER 294-I


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