The Keefer Brothers is a molybdenum mine located in Chelan county, Washington at an elevation of 6,499 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: 6,499 Feet (1,981 Meters)
Commodity: Molybdenum
Lat, Long: 48.15472, -120.88917
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.
Keefer Brothers MRDS details
Site Name
Primary: Keefer Brothers
Commodity
Primary: Molybdenum
Secondary: Copper
Secondary: Tungsten
Tertiary: Zinc
Tertiary: Chromium
Tertiary: Antimony
Tertiary: Cobalt
Tertiary: Nickel
Tertiary: Uranium
Tertiary: Bismuth
Tertiary: Lead
Tertiary: Silver
Tertiary: Gold
Location
State: Washington
County: Chelan
District: Chiwawa District
Land Status
Land ownership: National Wilderness
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: In Glacier Peak Wilderness In Wenatchee National Forest
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
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
Form: VEINS
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Hydrothermal Alteration Of Granodiorite
Rocks
Name: Diorite
Role: Host
Age Type: Host Rock
Age Young: Pliocene
Analytical Data
Analytical Data: AG CONTENT OF ORE RUNS ABOUT 2 OZ FOR EACH 1% CU
Analytical Data: CHANNEL SAMPLE TAKEN AT MOST RADIOACTIVE SPOT KNOWN ON VEINS ASSAYED 0.1% U3O8
Materials
Ore: Uraninite
Ore: Pyrite
Ore: Chalcopyrite
Ore: Scheelite
Ore: Molybdenite
Gangue: Chlorite
Gangue: Quartz
Gangue: Tourmaline
Comments
Comment (Deposit): VEINS ARE IN NARROW FISSURES WITH SOME HYDROTHERMAL ALTERATION OF HOST ROCKS. THE TYPE OF DEPOSIT IS UNKNOWN
Comment (Location): UNSURVEYED. ON WEST SLOPE OF RED MOUNTAIN NEAR HEADWATERS OF CHIWAWA RIVER
Comment (Workings): SEVERAL HUNDRED FEET OF WORKINGS
Comment (Geology): GRANODIORITE INTRUDES SCHIST AND GNEISS AND IS PROBABLY AN OUTLIER OF THE CLOUDY PASS PLUTON
Comment (Deposit): LAT. & LONG. ARE GENERAL ; INFO.SRC : 1 PUB LIT
Comment (Deposit): MRDS RECORDS D000650, W017897 HAVE BEEN MERGED WITH THIS RECORD AND DELETED
References
Reference (Deposit): HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, P. 268
Washington Gold
"Where to Find Gold in Washington" 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 Arizona. Read more: Where to Find Gold in Washington.
