Kelly Iron

The Kelly Iron is a iron mine located in Madison county, Montana at an elevation of 6,680 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

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.

Site Name

Primary: Kelly Iron

Commodity

Primary: Iron

Location

State: Montana
County: Madison
District: Ruby Range

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: Morrison - Knudsen Const. Co.

Owner Name: Finlen And Sheridan, Contractors

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1945
Discovery Method: Ore-Mineral Not In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Ruby Range

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Structure

Type: L
Description: Overturned Limb Of Fold & Trough Of Syncline

Alterations

Alteration Type: L
Alteration Text: Slight Kaolinitization

Rocks

Name: Iron Formation
Role: Host
Age Type: Host Rock
Age Young: Neoarchean

Analytical Data

Analytical Data: MN CONTENT IN 2 NARROW HORIZONS RUNS 1.2-10.2%

Materials

Ore: Magnetite
Ore: Hematite
Gangue: Quartz
Gangue: Garnet
Gangue: Hornblende

Comments

Comment (Location): DEPOSIT ON RIDGELINE BETWEEN SOUTH FORK CANYON AND BEATCH CANYON

Comment (Commodity): GRADE OF DEPOSIT RANGES BETWEEN 20 AND 35 PERCENT FE.

Comment (Reserve-Resource): THE DEPOSIT WAS SAMPLED AND DRILLED BY THE F & S CONSTRUCTION COMPANY PRIOR TO 1960

Comment (Workings): SEVEN BULLDOZER CUTS AVERAGING ABOUT 350 FT IN LENGTH WERE EXCAVATED. THE CUTS RANGE IN DEPTH FROM 2 TO 20 FEET. TWO CORE DRILL HOLES TO DEPTHS OF 440 AND 700 FT.

Comment (Geology): MOSTLY MAGNETITE

Comment (Deposit): THE DEPOSIT IS ON PRIVATE GROUND (KELLY RANCH) AND IS REPORTED TO HAVE BEEN LEASED BY THE MORRISON - KNUDSEN CONST. COMPANY OF BOISE, IDAHO ; INFO.SRC : 1 PUB LIT

References

Reference (Deposit): BAYLEY, R. W., & JAMES. H. L., 1973 , PRECAMBRIAN IRON FORMATIONS OF THE U. S.: ECON. GEOL. V. 68 , NO. 7

Reference (Deposit): JAMES, H. L., AND WIER, K. L., 1972 , GEOLOGIC MAP OF THE KELLY IRON DEPOSIT SEC. 25 , T. 6 S., R. 5 W., MADISON COUNTY, MONTANA: USGS MAP MF 349.

Reference (Deposit): CARR, M. S., GUILD, P. W., AND WRIGHT, W. B., 1967 , IRON IN THE UNITED STATES: USGS MR 51 WITH SECTION ON PRECAMBRIAN IRON FORMATIONS BY BAYLEY, R. W., AND JAMES, H. L.

Reference (Deposit): 1967 COMPILE CARR. GUILD, & WRIGHT PUBLISHED REPORT

Reference (Deposit): 1967 GEOLMAP H. L. JAMES, K. L. WEIR, OPEN FILE REPORT

Principal Gold Districts of Montana

In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.