The Combination Group is a silver mine located in Lane county, Oregon.
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
Combination Group MRDS details
Site Name
Primary: Combination Group
Secondary: Silver Queen
Commodity
Primary: Silver
Secondary: Gold
Tertiary: Lead
Tertiary: Zinc
Tertiary: Copper
Location
State: Oregon
County: Lane
District: Bohemia
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: Umpqua National Area
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Volcanic Rock (Aphanitic)
Role: Host
Age Type: Host Rock Unit
Age Young: Miocene
Analytical Data
Analytical Data: 47.75 OZ/TON AG
Analytical Data: ORE SAMPLE ASSAYED 0.55 OZ/TON AU
Materials
Ore: Chalcopyrite
Ore: Galena
Ore: Pyrite
Ore: Sphalerite
Gangue: Limonite
Gangue: Kaolinite
Gangue: Quartz
Comments
Comment (Workings): 700 FT TUNNEL WITH 70 FT WINZE
References
Reference (Deposit): OREGON METAL MINES HANDBOOK, 1951, ODGMI BULL. 14-D, P. 59
Reference (Deposit): CALLAGHAN, E. AND BUDDINGTON, A.F., 1938, METALLIFEROUS MINERAL DEPOSITS OF THE CASCADE RANGE IN OREGON; USGS BULL. 893, P. 63
Oregon Gold
"Where to Find Gold in Oregon" 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 Oregon. Read more: Where to Find Gold in Oregon.
