Black Creek Occurrence

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

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.

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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