The McComas Magnetite Prospect is a iron mine located in Idaho county, Idaho at an elevation of 4,501 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: 4,501 Feet (1,372 Meters)
Commodity: Iron
Lat, Long: 45.9378, -115.89690
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.
McComas Magnetite Prospect MRDS details
Site Name
Primary: McComas Magnetite Prospect
Secondary: Iron Cap
Secondary: Green Creek Lookout
Secondary: Iron Boy
Secondary: George #1
Commodity
Primary: Iron
Location
State: Idaho
County: Idaho
District: Harpster 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: Nez Perce National Forest
Holdings
Type: Located Claim
Workings
Type: Surface/Underground
Ownership
Owner Name: J. B. Mc Comas
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Deposit Type: Replacement Vein
Operation Type: Surface
Discovery Year: 1900
Discovery Method: Ore-Mineral Not 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: Clearwater Mountains
Mineral Deposit Model
Not available
Orebody
Form: PODS
Structure
Type: L
Description: Linear Schistosity
Alterations
Not available
Rocks
Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Gneiss
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Gneiss
Role: Host
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Analytical Data
Analytical Data: HIGH GRADE
Analytical Data: ORE IS GRANULAR MAGNETITE, POROSITY 10 - 30%
Materials
Ore: Magnetite
Gangue: Siderite
Comments
Comment (Location): W. Side Of Valley Of N. Fk. Of N. Meadow Creek
Comment (Development): 2 Unpatented Claims, Iron Cap No. 1 & 2
Comment (Workings): 2 Adits, Trench
Comment (Geology): Foliation Trends N - S
References
Reference (Deposit): Mackin, J. H., 1947, Iron Ore Deposits In The Clearwater District, Idaho County, Idaho: USGS Open-File Rept., 20 P
Reference (Deposit): 1947 Recon J. H. Mackin, Open-File Rept
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.
