The Troy Sillimanite Co. Prospect is a mine located in Latah county, Idaho at an elevation of 2,598 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: 2,598 Feet (792 Meters)
Commodity:
Lat, Long: 46.73167, -116.63222
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.
Troy Sillimanite Co. Prospect MRDS details
Site Name
Primary: Troy Sillimanite Co. Prospect
Secondary: Olson
Commodity
Tertiary: Copper
Tertiary: Kyanite
Location
State: Idaho
County: Latah
District: Mica Mountain (Avon) 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
Owner Name: Olson
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Metamorphic
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Walla Walla Plateau
Physiographic Detail: Palouse Range
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: TRACE TO 18% SILLIMANITE IN CHIP AND GRAB SAMPLES
Materials
Ore: Kyanite
Ore: Malachite
Ore: Sillimanite
Comments
Comment (Location): ON N SLOPE OF BIG BEAR CREEK CANYON; ADJOINS COPPER CHIEF MINE
Comment (Deposit): DEPOSIT COVERS .5 SQ MI
Comment (Workings): OLD TUNNEL DRIVEN FOR COPPER EXPOSED SILLIMANITE ON W BORDER OF THIS AREA.
References
Reference (Deposit): HUBBARD, C. R., 1957, MINERAL RESOURCES OF LATAH COUNTY: IDAHO BUREAU OF MINES AND GEOLOGY COUNTY REPT. 2, 29 P.
Reference (Deposit): FORRESTER, J. D., 1942, A SILLIMANITE DEPOSIT NEAR TROY, LATAH COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 59, 10 P.
Reference (Deposit): 1941 GEOCHEM IDAHO BUREAU OF MINES & GEOLOGY PAMPHLET 59
Reference (Deposit): 1957 OTHER IDAHO BUREAU OF MINES AND GEOLOGY CO. REPT. 2
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.
