Day and Harvey Mine

The Day and Harvey Mine is a gold, silver, and copper mine located in Silver Bow county, Montana at an elevation of 6,801 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: Day and Harvey Mine  

State:  Montana

County:  Silver Bow

Elevation: 6,801 Feet (2,073 Meters)

Commodity: Gold, Silver, Copper

Lat, Long: 45.74972, -112.57361

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 Day and Harvey Mine

Day and Harvey Mine MRDS details

Site Name

Primary: Day and Harvey Mine


Commodity

Primary: Gold
Primary: Silver
Primary: Copper


Location

State: Montana
County: Silver Bow
District: Moose Creek District


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

Type: Underground


Ownership

Owner Name: Alex Leggatt
Home Office: Butte, Mt.
Years: 1950 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1867
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: Boulder Batholith, Moose Creek Pluton

Type: L
Description: Fault Strikes N20w


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

Name: Dolomite
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian

Name: Dolomite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian


Analytical Data

Not available


Materials

Gangue: Tremolite
Gangue: Malachite
Gangue: Chrysocolla
Gangue: Quartz


Comments

Comment (Development): EARLY ORE WAS SHIPPED TO HIGHLAND OR ARGENTA UNTIL A MILL WAS BUILT ON THE MINE.

Comment (Workings): AT LEAST A DOZEN SHALLOW SHAFTS AND SEVERAL ADITS. DUMPS COVER WHOLE AREA.

Comment (Production): ORE VALUES RANGED FROM $200 TO $3500 PER TON IN LATE 1860'S.


References

Reference (Deposit): USGS BULL 574, P. 90.

Reference (Deposit): MBMG MEM 25, P. 51.

Reference (Deposit): CONSV. DIV. COMP. DATE, 07-10-1963

Reference (Deposit): 1914 RECON WINCHELL, A.N., U.S.G.S. BULLETIN 574

Reference (Deposit): 1950 GEOLMAP MBMG MEMOIR 32


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.