The Last Chance Group is a gold, silver, zinc, copper, cobalt, and nickel mine located in Grant 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
Elevation:
Commodity: Gold, Silver, Zinc, Copper, Cobalt, Nickel
Lat, Long: 44.59417, -118.69972
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.
Last Chance Group MRDS details
Site Name
Primary: Last Chance Group
Secondary: Jensen Group
Commodity
Primary: Gold
Primary: Silver
Primary: Zinc
Primary: Copper
Primary: Cobalt
Primary: Nickel
Location
State: Oregon
County: Grant
District: Quartzburg
Land Status
Administrative Organization: Malheur Natioal Forest
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Blue Mountain Section
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Shear Zone
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: AND 0.10% CO (ODGMI FILES).
Analytical Data: 0.20% NI
Analytical Data: 0.35OZ/TON AG
Analytical Data: LITTLE FREE GOLD. ASSAY RESULTS FROM 1969 DRILL PROGRAM INDICATE THAT THE DEPOSIT IS LOW GRADE. HIGHEST REPORTED VALUES ARE 0.02OZ/TON AU
Analytical Data: LOW GRADE ORE
Materials
Ore: Galena
Ore: Pyrrhotite
Ore: Pyrite
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz
Gangue: Dolomite
Comments
Comment (Location): SE 1/4; FIVE CLAIMS
Comment (Workings): 400 FT. OF WORKINGS
Comment (Geology): MINERALIZATION IS IRREGULAR AND GENERALLY WEAK IN EXPOSED PORTIONS OF THE SHEAR ZONE. ; GEOL.DESC: SMALL VEINLETS AND STRINGERS AS MUCH AS 1 1/2 FT WIDE OCCUR.
References
Reference (Deposit): OREGON METAL MINES HANDBOOK, 1941 , ODGMI BULL. 14 - B, P. 120
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.
