Yuba Group Prospect

The Yuba Group Prospect is a gold mine located in Elmore county, Idaho at an elevation of 5,551 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: Yuba Group Prospect  

State:  Idaho

County:  Elmore

Elevation: 5,551 Feet (1,692 Meters)

Primary Mineral: Gold

Lat, Long: 43.7639, -115.14440

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 Yuba Group Prospect

Yuba Group Prospect MRDS details

Site Name

Primary: Yuba Group Prospect


Primary: Gold
Tertiary: Silver


State: Idaho
County: Elmore
District: Atlanta District Or Middle Boise 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: Boise National Forest


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Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Discovery Method: Unknown
Years of Production:
Significant: N
Deposit Size: S


General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Physiographic Detail: Sawtooth Mountains

Mineral Deposit Model

Not available




Type: L
Description: Brecciation


Alteration Type: L
Alteration Text: Oxidation , Gouge


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

Analytical Data

Not available


Gangue: Quartz


Comment (Location): On The Yuba R., 1/4 Mile Above Grouse Cr. (Now Decker Cr); Previous Quad Designation = Boise 1:250000

Comment (Workings): At Least 150 Feet Of Workings. Heavy Ground.


Reference (Deposit): Hustedde, IBMG Mines & Prospects Of Hailey Quad, 1981

Reference (Deposit): Anderson, A. L., 1939, Geology And Ore Deposits Of The Atlanta District, Elmore Co., Idaho: Idaho Bureau Of Mines & Geol. Pam. 49, P. 7

Reference (Deposit): 1939 Geolmap Idaho Bureau Of Mines & Geol., Pam. 4

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 at Where to Find Gold in Idaho.