Morning Glory Mine

The Morning Glory Mine is a gold and silver mine located in Jefferson county, Montana at an elevation of 6,401 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: Morning Glory Mine  

State:  Montana

County:  Jefferson

Elevation: 6,401 Feet (1,951 Meters)

Primary Mineral: Gold, Silver

Lat, Long: 46.31778, -112.24306

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 Morning Glory Mine

Morning Glory Mine MRDS details

Site Name

Primary: Morning Glory Mine


Commodity

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


Location

State: Montana
County: Jefferson
District: Basin (Cataract, Comet) District


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Milton, Gilmer, Boulder, Mt. And M. H. Dorweiler, W. Nebraska St., Algona, Iowa 50511

Owner Name: Milton Gilmer


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1920
Discovery Method: Ore-Mineral In Place
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

Form: SHOOTS


Structure

Type: R
Description: Boulder Batholith; South-Trending Syncline In Elkhorn Mountains Volcanics

Type: L
Description: Comet-Gray Eagle Shear Zone, Roof Pendant Of Elkhorn Mountain Volcanics.


Alterations

Alteration Type: L
Alteration Text: Wallrock Altered To Clay Minerals And Sericite


Rocks

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

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: ASSAY 1945-1947, 507 TONS OF ORE, 0.18 OZ/TON AU, 28.3 OZ/TON AG


Materials

Ore: Galena
Ore: Chalcopyrite
Ore: Gold
Ore: Silver
Ore: Sphalerite
Gangue: Quartz
Gangue: Pyrite


Comments

Comment (Workings): 3 ADITS, 245 FT FLOODED SHAFT, MILL SITE

Comment (Deposit): ORE WITH ABUNDANT CARBONATE MINERALS CONTAINS LESS GALENA AND SPHALERITE AND IS VERY LOW IN SILVER. NARROW ORE SHOOTS HAVE BEEN MINED FROM 4 IRREGULAR VEINS WITHIN A WIDE ALTERED CRUSHED ZONE.


References

Reference (Deposit): MBMG BULL 16, P. 35, 104.

Reference (Deposit): USGS PP 428, P. 53, 88, PL. 1.

Reference (Deposit): MBMG BULL 58, P. 20.

Reference (Production): MBMG BULL. 16, P. 104


Colorized Mining Photos

Drumlummon Mine at Marysville, Montana late 1880s

Western Mining History's collection of colorized mining photos includes incredible scenes from Montana: Best Historical Photos: Colorized Mining Scenes.