Little Jim Ore Body

The Little Jim Ore Body is a iron mine located in Iron county, Utah at an elevation of 5,709 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

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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.

Site Name

Primary: Little Jim Ore Body

Commodity

Primary: Iron

Location

State: Utah
County: Iron
District: Iron Springs

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: Milner Corp.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1945
Discovery Method: Geophysical Anomaly
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR

Structure

Type: R
Description: Sevier Thrust System

Type: L
Description: Granite Mtn. Intrusion

Alterations

Not available

Rocks

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

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

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

Analytical Data

Not available

Materials

Ore: Hematite
Ore: Magnetite

Comments

Comment (Production): STEGEN, R.J., UGMS ON SITE INVESTIGATION, 1979.

Comment (Deposit): THE ORE POTENTIAL IS SMALL AND CONTAINS LOW-GRADE ORE. THE DEPOSIT IS A MINERALIZED BRECCIA ZONE IN THE QUARTZ MONZONITE AND ALSO PARTIAL REPLACEMENT OF SEDIMENTARY INCLUSIONS IN THE PORPHYRY.

Comment (Workings): NO WORKINGS, POTENTIAL SITE.

Comment (Location): SECTION SUBDIVISIONS: NE 1/4, SE 1/4, SE 1/4

Comment (Commodity): RIBS OR INCLUSIONS OF MONZONITE OR HIGHLY SILICEOUS BANDS ARE FOUND WITH THE ORE.

References

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

Reference (Deposit): BULLOCK, KENNETH C., 1976, IRON DEPOSITS OF UTAH: UTAH GEOL. AND MINERAL SURVEY BULLETIN 88, P 23-63.

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

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): 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.

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