The Keystone is a gold and silver mine located in Grant county, Oregon at an elevation of 5,000 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: 5,000 Feet (1,524 Meters)
Commodity: Gold, Silver
Lat, Long: 44.54861, -118.70250
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.
Keystone MRDS details
Site Name
Primary: Keystone
Secondary: Golden Eagle
Secondary: Last Chance
Secondary: The Keystore Group
Commodity
Primary: Gold
Primary: Silver
Secondary: Lead
Secondary: Zinc
Secondary: Copper
Location
State: Oregon
County: Grant
District: Quartzburg
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Ward, Laura
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1882
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
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Quartz
Comments
Comment (Workings): CAVED 2-COMPARTMENT SHAFT, THREE ADIT LEVELS, ONE DRY AND OPEN, ALL ON THE KEYSTONE. GOLDEN EAGLE HAS NUMEROUS CAVED ADITS, TRENCHES, PITS, CAT CUTS, ALL OLD. LAST CHANCE WAS USED FOR TWO CABIN SITES WHILE WORKING THE GOLDEN EAGLE.
Comment (Geology): TRIASSIC/JURASSIC DIXIE BUTTE META-ANDESITE UNDER THE GOLDEN EAGLE AND LAST CHANCE WITH JURASSIC INTRUSIVE GRANODIORITE AT THE KEYSTONE
Comment (Deposit): PRODUCED $37,800 1882-1889. OLD HUNTINGTON MILL, COMPRESSORS, HOIST, WELL MAINTAINED SHACK, MINING TOOLS. FAILED BLM VALIDITY EXAMINATION IN 1958.
Comment (Deposit): MESOTHERMAL GOLD QUARTZ
References
Reference (Deposit): BROWN, C. E., THAYER, T. P., 1966, GEOLOGIC MAP OF THE CANYON CITY QUADRANGLE, NE OR: U. S. GEOLOGICAL SURVEY, MISC. INVEST. MAP I-447.
Reference (Deposit): BROOKS, FERNS, AND AVERY, 1984, GEOLOGY AND GOLD DEPOSITS MAP OF THE SW 1/4 BATES QUADRANGLE, GRANT COUNTY, OR: DEPT. GEOL. MIN. IND., GEOL. MAP SERIES 35.
Reference (Deposit): BROOKS AND RAMP, 1968, GOLD AND SILVER IN OR: OR DEPT. GEAL. MIN. IND., BULL. 61, P. 152.
Reference (Deposit): SWARTLEY, A. M., 1914, ORE DEPOSITS OF NE OR: OR BUREAU MINES AND GEOL., VOLUMN 1, NUMBER 8, QUARTZBURG AREA, PAGE 194-199.
Reference (Deposit): LINDGREN, W., 1901, THE GOLD BELT OF THE BLUE MOUNTAINS OF OR: 22ND ANNUAL-REPORT, U. S. GEOLOGICAL SURVEY, PART 2, PAGE 551-776.
Reference (Other Database): BLM ORMC 33372 23899 23900
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.
