Golden Day Mine

The Golden Day Mine is a gold and silver mine located in Custer county, Idaho at an elevation of 7,402 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: Golden Day Mine
Secondary: Potato Mtn. Mine
Secondary: Golden Ray Mine

Commodity

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

Location

State: Idaho
County: Custer
District: Stanley District

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.
Administrative Organization: Challis National Forest

Holdings

Not available

Workings

Type: Surface/Underground

Ownership

Owner Name: Ivan W. Day

Production

Year: 1937
Material type: ORE
Description: Ap_Grade: ^1.74 Oz Au, 14.6 Oz Ag Per Ton
Year: 1937
Material type: ORE
Description: Ap_Grade: ^0.56 Oz Au, 3.2 Oz Ag Per Ton

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Year First Production: 1937
Discovery Year: 1900
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
Physiographic Detail: Salmon River Mountains

Mineral Deposit Model

Not available

Orebody

Form: LINEAR, PODS

Structure

Type: R
Description: Idaho Batholith

Type: L
Description: Fault N 72 Deg E, 75 Deg N

Alterations

Alteration Type: L
Alteration Text: Oxidation

Rocks

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

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

Not available

Materials

Ore: Chalcopyrite
Gangue: Pyrite

Comments

Comment (Workings): Some Surface Cuts

Comment (Commodity): Smelter Returns (1937) Showed Ore Contained (Besides Au, Ag) 5.1% Fe, 2.3% Pb, 0.5% Zn, 0.1% As, 0.7% S

Comment (Production): 2 Shipments Made In 1937

Comment (Deposit): Second Vein N 72 Deg E, 75 Deg N In Lower Adit

Comment (Location): Located On the NE Side of Potato Mtn

Comment (Development): 12 Unpatented Claims

References

Reference (Deposit): Choate, Raoul, 1962, Geology And Ore Deposits Of The Stanley Area: Idaho Bureau Of Mines And Geology, Pamphlet 126, 120 P

Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 357, P. 187.

Reference (Production): Choate, Raoul, 1962, Idaho Bureau Of Mines And Geology, Pamphlet 126, P. 92

Idaho Gold

"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.