The Sealy-Davis Mine is a gold mine located in Alaska.
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
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Sealy-Davis Mine MRDS details
Site Name
Primary: Sealy-Davis Mine
Secondary: Gold Bluff
Commodity
Primary: Gold
Tertiary: Copper
Tertiary: Lead
Tertiary: Zinc
Location
State: Alaska
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
Discovery Year: 1910
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
Name: Siltstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Name: Siltstone
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: NO DATA
Materials
Ore: Gold
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Galena
Gangue: Pyrite
Gangue: Calcite
Gangue: Chlorite
Gangue: Quartz
Gangue: Pyrrhotite
Comments
Comment (Deposit): SEE ALSO: CLIFF MINE, ALICE MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Development): LOCATED 1910; DEVELOPMENT BETWEEN 1911 AND ABOUT 1915 AT SEALY-DAVIS; NO RECORD OF ACTIVITY AT GOLD BLUFF AFTER 1914
Comment (Production): TWO SHIPMENTS OF ORE WERE REPORTED FROM SEALY-DAVIS PROPERTY; NO DATA ON AMOUNT OR GRADE; USGS BULL 622, P. 174-175
Comment (Deposit): SEALY-DAVIS: FISSURE VEIN UP TO 2 FT THICK STRIKES N 23-35 W, DIPS75 E TO 85 W; EXTENDS OVER VERTICAL DISTANCE OF 225 FT; CONTAINS GOLD, PYRITE, ARSENOPYRITE, CHALCOPYRITE, SPHALERITE, GALENA AND PYRRHOTITE; GOLD BLUFF: SHEAR ZONE WITH A FEW SHORT LENSES OF QUARTZ NO MORE THAN 4IN THICK AND 1/2 IN THICK QUARTZ STRINGERS CARRYING CALCITE, CHLORITE, PYRITE, PYRRHOTITE, CHALCOPYRITE AND PROBABLE GOLD
Comment (Workings): SEALY-DAVIS MINE HAD ABOUT 1500 FT OF UNDERGROUND WORKINGS ON 4 DIFFERENT LEVELS BY 1914; GOLD BLUFF HAD ABOUT 200 FT OF WORKINGS BY 1912; PRESENT CONDITIONS UNKNOWN
Comment (Geology): SCHISTOSITY OF COUNTRY ROCK STRIKES E-W WITH 50-55 N DIP; SHEAR ZONE AT GOLD BLUFF STRIKES N 80 E TO S 88 E, DIPS 55-63 N
Comment (Location): POSITION APPROXIMATED USING USGS OFR 80-892B, LOC. 12. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
References
Reference (Deposit): USGS BULL 520, P. 124
Reference (Deposit): USGS BULL 622, P. 152-153, 174-175, 182
Reference (Deposit): USGS MF-438, LOC. 15
Reference (Deposit): USGS OFR 80-892B, LOC. 12
Reference (Other Database): BAG-OFR-80-892B-12
The Top Ten Gold Producing States
These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.
