Cannivan Gulch

The Cannivan Gulch is a molybdenum mine located in Beaverhead county, Montana at an elevation of 8,661 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: Cannivan Gulch

Commodity

Primary: Molybdenum

Location

State: Montana
County: Beaverhead
District: Bryant

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

Type: Located Claim

Workings

Not available

Ownership

Owner Name: Cyprus Minerals Co.
Company ID: 2401590
Percent: 100.0
Home Office: Colorado
Info Year: 1982

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Surface
Mining Method: Unknown
Discovery Year: 1968
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Unknown: Quartz
Unknown: Pyrite
Unknown: Muscovite
Unknown: Molybdenite
Unknown: Feldspar
Unknown: Biotite

Comments

Comment (Reserve-Resource): DUE TO ITS SENSITIVE NATURE, AMOCO WILL NOT RELEASE TONNAGE AND GRADE FIGURES FOR THE DEPOSIT. NO PUBLISHED FIGURES AVAILABLE. NO ECONOMIC STUDY DONE DUE TO THIS LACK OF INFORMATION. IT IS ASSUMED MINING WILL BE BY OPEN PIT. AMOCO HAS NO PLANS TO BEGIN OPERATING ON THE DEPOSIT FOR THE NEXT 10 YEARS.

References

Reference (Deposit): WOODCOCK, J.R., 1979, MOLYBDENUM- A GUIDE TO NORTH AMERICAN RESOURCES AND ONGOING PLANS FOR DEVELOPMENT: ENGINEERING AND MINING JOURNAL, AUGUST 1979, PP. 86-89.

Reference (Deposit): SCHMIDT, E.A., WORTHINGTON, J.E., AND THOMSSEN, R.W., 1979,K-AR DATES FOR MINERALIZATION IN THE WHITE CLOUD- CANNIVAN PORPHYRY MOLYBDENUM BELT OF IDAHO AND MONTANA- A DISCUSSION: ECONOMIC GEOLOGY, V.74, P. 698-699.

Reference (Deposit): SCHMIDT, E.A., AND WORTHINGTON, V.E., GEOLOGY AND MINERALIZATION OF THE CANNIVAN GULCH MOLYBDENUM DEPOSIT: PAPER PRESENTED AT THE JOINT GAC/SEG MEETING, APRIL 25, 1977,VANCOUVER, B.C.

Reference (Deposit): MUTSCHLER, F.E., AND OTHERS, 1981, GRANITE MOLYBDENITE SYSTEMS: ECONOMIC GEOLOGY, V.76, P.874-897.

Reference (Deposit): SCHMIDT, E.A., 1982, REGIONAL GEOLOGIST FOR AMOCO MINERALS CO., PERSONAL COMMUNICATION.

Reference (Deposit): ARMSTRONG, R.L., HOLLISTER, V.F., AND HARAKAL, J.E., 1979, K-AR DATES FOR MINERALIZATION IN THE WHITE CLOUD- CANNIVAN PORPHYRY MOLYBDENUM BELT OF IDAHO AND MONTANA- A REPLY: ECONOMIC GEOLOGY, V.74, P.699.

Reference (Deposit): ARMSTRONG, R.L., HOLLISTER, V.F., AND HARAKAL, J.E., 1978, K-AR DATES FOR MINERALIZATION IN THE WHITE CLOUD- CANNIVAN PORPHYRY MOLYBDENUM BELT OF IDAHO AND MONTANA: ECONOMIC GEOLOGY, V.73, P.94-96.

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.