Duncan Mine

The Duncan Mine is a iron mine located in Iron county, Utah at an elevation of 6,201 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: Duncan Mine

State:  Utah

County:  Iron

Elevation: 6,201 Feet (1,890 Meters)

Commodity: Iron

Lat, Long: 37.6175, -113.40250

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 Duncan Mine

Duncan Mine MRDS details

Site Name

Primary: Duncan Mine


Commodity

Primary: Iron


Location

State: Utah
County: Iron
District: Pinto Iron


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: Surface


Ownership

Owner Name: C. F. And I. Steel Corp.

Owner Name: Utah International, Inc.


Production

Year: 1968
Time Period: 1942 - 1968


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1942
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: L


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Form: TABULAR


Structure

Type: R
Description: Sevier Thrust System

Type: L
Description: Iron Mtn. Intrusion, Faulting


Alterations

Alteration Type: L
Alteration Text: Limonization


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Jurassic


Analytical Data

Analytical Data: IRON 52%


Materials

Ore: Magnetite
Ore: Hematite
Ore: Pyrite


Comments

Comment (Location): SECTION SUBDIVISIONS NW 1/4 NE 1/4 NE 1/4

Comment (Commodity): THE ORES ARE MEDIUM SOFT TO MEDIUM HARD AND HAVE A HIGH SULFUR CONTENT OF 1 PERCENT AND HIGHER IN SME AREAS.

Comment (Workings): BENCH MINE-OPEN PIT


References

Reference (Deposit): YOUNG, W.E., 1947, IRON DEPOSITS IRON COUNTY, UTAH: U.S. BUREAU OF MINES REPORT OF INVESTIGATION 4076, 102P.

Reference (Deposit): MACKIN, J. HOOVER, 1947, SOME STRUCTURAL FEATURES OF THE INTRUSIONS IN THE IRON SPRINGS DIST: UTAH. GEOL. SOCIETY GUIDEBOOK NO. 2, 62P.

Reference (Deposit): BLANK, H. RICHARD AND MACKIN, J. HOOVER, 1967, GEOL INTERPRETATION OF AN AEROMAGNETIC SURVEY OF THE IRON SPRINGS DISTRICT, UTAH: U.S. GEOL SURVEY PROF. PAPER 516-B, 14P.

Reference (Deposit): BULLOCK, KENNETH C., 1976, IRON DEPOSITS OF UTAH: UTAH GEOL. AND MINERAL SURVEY BULLETIN 88, P23-63.

Reference (Deposit): 1947 DIREXPL YOUNG, U.S. BUREAU OF MINES REPT. INV. 4076

Reference (Deposit): 1947 RECON MACKIN, UTAH GEOL. SOC. GUIDEBOOK #2

Reference (Deposit): 1954 GEOLMAP MACKIN, MINERALS INVESTIGATIONS MAP MF-14

Reference (Deposit): 1967 RECON BLANK AND MACKIN, PROF. PAPER 516-B

Reference (Deposit): 1976 RECON BULLOCK, UTAH GEOL. MINERAL SURVEY BULLETIN 88

Reference (Production): BULLOCK, 1976, UGMS BULLETIN 88


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