Orphan Prospect

The Orphan Prospect is a mine located in Boise county, Idaho at an elevation of 4,800 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: Orphan Prospect

State:  Idaho

County:  Boise

Elevation: 4,800 Feet (1,463 Meters)

Commodity:

Lat, Long: 43.8839, -115.76220

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 Orphan Prospect

Orphan Prospect MRDS details

Site Name

Primary: Orphan Prospect


Commodity

Tertiary: Gold


Location

State: Idaho
County: Boise
District: Idaho City


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


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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: Sawtooth Mountains


Mineral Deposit Model

Not available


Orebody

Form: LINEAR


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Fe Stains


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: Miocene


Analytical Data

Not available


Materials

Gangue: Quartz
Gangue: Limonite


Comments

Comment (Location): NEAR THE MASCOT MINE


References

Reference (Deposit): 1947 GEOLMAP ANDERSON, A. L. BULL. 944 -

Reference (Deposit): ANDERSON, A. L., 1947, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO, U. S. GEOL. SUR. BULL. 944 - C, P. 235


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.