The Crooked Tree Group Prospect is a bismuth, silver, molybdenum, lead, zinc, and beryllium mine located in Elmore county, Idaho at an elevation of 7,598 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
Elevation: 7,598 Feet (2,316 Meters)
Commodity: Bismuth, Silver, Molybdenum, Lead, Zinc, Beryllium
Lat, Long: 43.9036, -115.04170
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.
Crooked Tree Group Prospect MRDS details
Site Name
Primary: Crooked Tree Group Prospect
Commodity
Primary: Bismuth
Primary: Silver
Primary: Molybdenum
Primary: Lead
Primary: Zinc
Primary: Beryllium
Location
State: Idaho
County: Elmore
District: Rock Creek Area
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
Not available
Ownership
Owner Name: J. R. Simplot Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1963
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: Sawtooth Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Minor Faults
Alterations
Alteration Type: L
Alteration Text: Bleaching
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Eocene
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Eocene
Analytical Data
Analytical Data: 3.2 OZ. AG/TON
Analytical Data: 0.7% MO
Analytical Data: 0.85% PB
Analytical Data: ANAMALOUS AMOUNTS OF BISMUTH AND BERYLLIUM. OTHER SAMPLES CONTAINED A TRACE ZN. 2 SAMPLES OF ALTERED ROCK ASSAYED 0.52 AND 0.46 % MO, 2.7 AND 3.1 OZ AG/TON, 1.2 AND 0.5 % PB, AND TRACE ZN
Materials
Ore: Bismuth
Ore: Silver
Ore: Galena
Ore: Molybdenite
Gangue: Quartz
Gangue: Pyrite
Comments
Comment (Deposit): SECOND VEIN EXPOSED 40 FT, AVG 5 FT THICK, STRIKES NW, DIPS 8-10 DEG NE , DISSEMINATIONS AS MUCH AS 3 INCHES LONG AND 0.25 - 0.50 INCH THICK
Comment (Location): ON STEEP MOUNTAINSIDE BETWEEN MIDDLE FK. BOISE R. AND ROCK CR. LAND STATUS VALUE CALCULATED 7-94 USING GIS OVERLAY ANALYSIS WITH USFS LAND OWNERSHIP BOUNDARIES, 1:126,720 SCALE.
References
Reference (Deposit): Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.
Reference (Deposit): 1970 OTHER T. H. KIILSGAARD AND OTHERS, BULL. 1319-
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.
