Hidden Treasure

The Hidden Treasure is a copper, silver, and gold mine located in Missoula county, Montana at an elevation of 4,072 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: Hidden Treasure

State:  Montana

County:  Missoula

Elevation: 4,072 Feet (1,241 Meters)

Commodity: Copper, Silver, Gold

Lat, Long: 46.78028, -113.66444

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 Hidden Treasure

Hidden Treasure MRDS details

Site Name

Primary: Hidden Treasure
Secondary: Hidden Treasure Group


Commodity

Primary: Copper
Primary: Silver
Primary: Gold
Secondary: Zinc
Secondary: Lead
Tertiary: Arsenic


Location

State: Montana
County: Missoula
District: Clinton District


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Ward, Sidney M.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1889
Discovery Year: 1879
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Not available


Orebody

Form: IRREGULAR LENSES


Structure

Type: R
Description: Bearmouth Overthrust

Type: L
Description: Clinton Stock


Alterations

Not available


Rocks

Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Analytical Data: 1889 7 CARLOADS AVERAGED 11% CU, 25OZ/TON AG, 0.2OZ/TON AU.


Materials

Ore: Chalcopyrite
Ore: Galena
Ore: Chalcocite
Ore: Enargite
Ore: Gold
Ore: Smithsonite
Ore: Anglesite
Ore: Malachite
Ore: Sphalerite
Gangue: Pyrite
Gangue: Quartz


Comments

Comment (Production): 1889 7 CARS OF ORE AT 25 OZ/TON AG, 0.2 OZ/TON AG

Comment (Workings): 2 MAJOR ADITS, TOP ADIT GT 1200FT LONG, LOWER ADIT ABOUT 1000FT LONG. ABOVE PORTAL #1 (TOP ADIT) THERE ARE 4 ELE FLOOR, WINZE, STOPES, RISES.

Comment (Deposit): SERIES OF LENSES WITH A MAX LENGTH OF 100FT AND A WIDTH UP TO 5 OR 6FT THEY HAVE A DOWNWARD RAKE OF 45NE BUT NOT FOUND ON LOWER LEVEL. ORE FOUND MOSTLY NEAR SURFACE. ORE BODIESOCCUR IRREGULARLY ALONG STRIKE OF MAJOR SHEAR ZONE, USUALLY ONHANGING WALL SIDE.

Comment (Development): 8 PATENED CLAIMS: OUTLOOK, HIDDEN TREASURE, GOLDEN CHEST, MANILA, GREAT WESTERN, SMOKER, CASCADE, ORLEANS

Comment (Geology): HINTZMAN REPORTS MINERALIZATION IN FORMS OF FISSURE FILLING AND PREDOMINATLY AS REPLACEMENT OF BRECCIATED COUNTRY ROCK WITHIN SHEAR ZONE.


References

Reference (Deposit): MBMG BULL 40.

Reference (Deposit): MBMG BULL 8, P1 4&6, P. 33-35.

Reference (Deposit): PIQUETTE, J. F., 1940, GEOLOGY & ORE DEPOSITS OF THE CLINTON MINING DISTRICT: MONTANA SCHOOL OF MINES B. S. THESIS.

Reference (Deposit): MINING WORLD, VOL V, NO 24.

Reference (Deposit): USGS BULL 660, P. 227.

Reference (Production): MBMG BULL 8, P. 33.


Principal Gold Districts of Montana

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.