The Mayflower Group Occurrence is a copper mine located in Lemhi county, Idaho at an elevation of 4,301 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: 4,301 Feet (1,311 Meters)
Commodity: Copper
Lat, Long: 45.2808, -114.28690
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.
Mayflower Group Occurrence MRDS details
Site Name
Primary: Mayflower Group Occurrence
Commodity
Primary: Copper
Tertiary: Gold
Tertiary: Silver
Location
State: Idaho
County: Lemhi
District: Mackinaw 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: Salmon National Forest
Holdings
Type: Patented
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Underground
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Salmon River Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Structure: Brecciation
Description: Brecciation
Alterations
Alteration Type: L
Alteration: Leaching
Rocks
Name: Schist
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Schist
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Gangue: Garnet
Gangue: Magnetite
Gangue: Quartz
Gangue: Pyrite
Gangue: Epidote
Comments
Comment (Development): 3 Patented Claims
Comment (Location): S Wall Of Beaver Cr Canyon 3.5 Mi Above Jct With Panther Cr, 5 Mi S Of Beaver Cr
Comment (Geology): Original alteration entry: Local - Leaching
Comment (Geology): Original ore control entry: Shear Zone
References
Reference (Deposit): Umpleby, J.B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 182 P
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.
