Last Chance Group

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

Name: Last Chance Group  

State:  Oregon

County:  Grant

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.


Satelite image of the Last Chance Group

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

"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.