The Black Creek Occurrence is a antimony 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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Black Creek Occurrence MRDS details
Site Name
Primary: Black Creek Occurrence
Commodity
Primary: Antimony
Secondary: Mercury
Location
State: Alaska
District: Iditarod
Land Status
Not available
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
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Host
Age Type: Host Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Stibnite
Ore: Cinnabar
Gangue: Pyrite
Comments
Comment (Deposit): STIBNITE BEARING QUARTZ VEIN 2-12 INCHES THICK OCCUPIES FISSURE IN MONZONITE. STIBNITE DEPOSITED AFTER QUARTZ WITH MINOR CINNABAR AND PYRITE. STIBNITE OCCURS IN GRANULAR AGGREGATES THROUGH WHICH ARE SCATTERED GRAINS AND CRYSTALS OF VITREOUS QUARTZ; MOST ABUNDANT IN WIDEST PART OF VEIN.
Comment (Deposit): THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Comment (Location): USGS MF-363, LOC. 9. 1/2 MILE SOUTH OF MOUTH OF BLACK CREEK. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Development): IN 1956 THE USBM DUG 12 BULLDOZER TRENCHES (SEE REF 3, P. 12) ON THE SLOPE OF THE RIDGE BETWEEN GLEN GULCH AND THE VALLEY OF BLACK CREEK. THE TRENCHES EXPOSED THE QUARTZ MONZONITE BEDROCK FOR 2,400 FT. NORTHWESTWARD FROM THE CONTACT ZONE. ONLY A FEW MINERALIZED STRINGERS WERE FOUND AND SAMPLED. NO SIGNIFICANT CINNABAR MINERALIZATION WAS FOUND IN PLACE. SOME VEINS AND VEINLETS SHOWED FAIR GOLD VALUES.
References
Reference (Deposit): USGS MF-363 (B-4), LOC. 9.
Reference (Deposit): USGS BULL. 649, P. 48-49.
Reference (Deposit): USBM REPT INV. 5991, P. 7-12.
Reference (Other Database): BAG-MF-363-9A
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