Morrison Mine

The Morrison Mine is a gold mine located in Custer county, Idaho 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: Morrison Mine

State:  Idaho

County:  Custer

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

Commodity: Gold

Lat, Long: 44.385, -114.73140

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 Morrison Mine

Morrison Mine MRDS details

Site Name

Primary: Morrison Mine
Secondary: George Washington Mine


Commodity

Primary: Gold
Tertiary: Silver
Tertiary: Copper


Location

State: Idaho
County: Custer
District: Yankee Fork 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

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
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: Salmon River Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Silicified, Sericitized


Rocks

Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene

Name: Andesite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene

Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene


Analytical Data

Analytical Data: COARSE GOLD NUGGETS FOUND, WEIGHT FROM 8 - 10 OZ, ONE 32 OZ.


Materials

Ore: Chalcopyrite
Ore: Malachite
Gangue: Quartz
Gangue: Pyrite
Gangue: Calcite


Comments

Comment (Commodity): No Au - Ag Minerals Visible.

Comment (Production): Production Value $100000

Comment (Deposit): 2 Veins Exposed, Strikes Are Same, Main Vein Dips 50 Deg Nw, Other Dips 75 Deg Se.

Comment (Workings): All Underground Workings Caved


References

Reference (Deposit): Umpleby, J. B., 1913, Some Ore Deposits In Northwestern Custer County, Idaho: USGS Bulletin 539, 104 P.

Reference (Deposit): Anderson, A. L., 1949, Silver - Gold Deposits Of The Yankee Fork District Custer County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 83, 37 P.

Reference (Production): Umpleby, J. B., 1913, USGS Bulletin 539

Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 427, P. 206.


Idaho Gold

Where to Find Gold in Idaho

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.