The Keynote Group is a gold mine located in Inyo county, California at an elevation of 8,501 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: 8,501 Feet (2,591 Meters)
Commodity: Gold
Lat, Long: 36.72333, -117.93861
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.
Keynote Group MRDS details
Site Name
Primary: Keynote Group
Secondary: Key Not
Secondary: Golden Princess
Commodity
Primary: Gold
Secondary: Silver
Tertiary: Lead
Tertiary: Copper
Location
State: California
County: Inyo
District: Beveridge
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Chalcopyrite
Ore: Galena
Gangue: Quartz
Gangue: Pyrite
Comments
Comment (Workings): THE PRINCIPAL DEVELOPMENT WORK HAS BEEN ON THE KEYNOTE VEIN WHICH HAS BEEN DEVELOPED BY 7 TUNNELS AT DIFFERENT ELEVATIONS. THE MAIN WORKINGS ARE FROM TUNNELS NO. 7 AND NO. 9. NO. 5 TUNNEL 150 FT, NO. 6 TUNNEL, 300 FT, NO. 7 TUNNEL, 750 FT, NO. 8 TUNNEL, 300 FT, NO. 9 TUNNEL, 600 FT, NO. 10 TUNNEL, 225 FT, NO. 14 TUNNEL, 205 FT. THERE ARE FIVE TUNNELS ON KEYNOTE VEIN AND THREE ON WAR EAGLE VEIN. NO. 6 TUNNEL ON KEYNOTE VEIN IS 300 FT. IN LENGTH, DRIVEN NORTHWEST. THERE IS A STOPE 150 FT. IN LENGTH FROM THIS TUNNEL LEVEL, AND STOPING TO THE NO. 5 TUNNEL LEVEL, A DISTANCE OF 50 FT. ON INCLINATION OF THE VEIN. NO. 7 TUNNEL LEVEL IS DRIVEN NORTHWEST 750 FT; AT 50 FT. FROM PORTAL ON FIRST SHOOT OF ORE. THE ORE WAS STOPED FOR A LENGTH OF 250 FT. WITH AN AVERAGED WIDTH OF 4 FT. TO NO. 6 TUNNEL LEVEL, A DISTANCE OF APPROXIMATELY 100 FT. WAR EAGLE VEIN. UPPER TUNNEL DRIVEN N 20 DEG W 240 FT. INTERMEDIATE TUNNEL IS 100 FT. IN LENGTH AND LOWER TUNNEL 120 FT. IN LENGTH.
Comment (Deposit): 7 CLAIMS ; INFO.SRC : 1 PUB LIT
Comment (Deposit): 2 VEINS. WAR EAGLE VEIN 4 FT. THICK WITH AT LEAST 2 ORE SHOOTS, EACH 60 FT. LONG, AVG. 4 FT. THICK. KEYNOTE VEIN 2-4 FT. IN THICKNESS. THE VEINS ARE 600 FT. APART.
Comment (Location): UTM ACC. LAND UNSURVEYED. SECTION PROJECTED
Comment (Reserve-Resource): ESTIMATED TONNAGE OF ORE DUMP BELOW NO. 9 TUNNEL LEVEL WAS APPROX. 20,000 TONS, REPORTED TO HAVE HAD AVG. ASSAY VALUE OF $8/TON.
Comment (Production): NO OTHER PRODUCTION RECORD FOUND. ORE REPORTED TO HAVE AVG. VALUE OF $20/TON. FROM WAR EAGLE VEIN. REPORTED THAT MINE YIELDED MORE THAN $10,000 PER MONTH THROUGH 1883
References
Reference (Deposit): KNOPF, ADOLPH, 1918, INYO RANGE AND THE EASTERN SLOPE OF THE SOUTHERN SIERRA NEVADA, CALIF: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER NO. 110, P.118
Reference (Deposit): TUCKER, W.B. AND SAMPSON, R.J., 1938, MINERAL RESOURCES OF INYO COUNTY: CALIF. JOUR. MINES AND GEOLOGY, V. 34, NO. 4, P. 404
Reference (Deposit): CRAWFORD, J.J., 1894, THIRTEENTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 12, P. 138
Reference (Production): TUCKER & SAMPSON (1938), KNOPF (1918)
Reference (Reserve-Resource): TUCKER & SAMPSON (1938)
California Gold
"Where to Find Gold in California" 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 California. Read more: Where to Find Gold in California.
