Peace River Placer Occurrence

The Peace River Placer Occurrence is a uranium, thorium, and bismuth 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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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: Peace River Placer Occurrence

Commodity

Primary: Uranium
Primary: Thorium
Primary: Bismuth
Secondary: Lead
Secondary: Chromium
Secondary: Copper
Secondary: Gold
Tertiary: Molybdenum
Tertiary: Silver
Tertiary: Tungsten
Tertiary: Zinc

Location

State: Alaska
District: Koyuk

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
Discovery Year: 1947
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: Sphalerite
Ore: Bornite
Ore: Chalcopyrite
Ore: Galena
Ore: Scheelite
Ore: Gold
Ore: Chromite
Ore: Molybdenite

Comments

Comment (Deposit): STREAM GRADIENT BETWEEN 100 AND 150 FEET PER MILE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

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-389, LOC. 34. DEPOSIT IN HEADWATER SECTION OF PEACE RIVER. SEE REF. 2, P. 29, FIG. 4. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Comment (Development): SAMPLES COLLECTED IN 1947 AND 1951.

Comment (Geology): SMALL SATELLITIC SYENITIC STOCK OF GRANITE MTN. PLUTON (CRETACEOUS) INTRUDED ANDESITIC VOLCANIC ROCKS (JURASSIC(?) - CRETACEOUS)). ; REG.COM: MINERAL ASSOCIATIONS SUGGEST THAT THE URANIUM MINERALS ARE DERIVED FROM A SULFIDE BEARING LODE (POSSIBLY A VEIN) RATHER THAN OCCURRING AS ACCESSORY MINERALS IN THE GRANITIC ROCK OF GRANITE MTN.

Comment (Deposit): SAMPLES FROM HEADWATER AREA NEAR CONTACT BETWEEN SYENITE OF GRANITE MOUNTAIN AND OLDER ANDESITES CONTAIN THORITE, POWELLITE, PICOTITE, ILMENITE, HEMATITE, LIMONITE, MAGNETITE, CHROMITE, URANOTHORIANITE, GUMMITE, PYRITE, CHALCOPYRITE, BORNITE, MOLYBDENITE, GOLD, SILVER, BISMUTH, AND CCORUNDUM. SAMPLES COLLECTED FROM HEADWATERS IN 1951 CONTAINED IN ADDITION TO THE MINERALS LISTED ABOVE, GALENA, SPHALERITE, PYRRHOTITE, COVELLITE, TETRADYMITE, SCHEELITE, AND FLUORITE.

References

Reference (Deposit): USGS OF 76-866, P. 44-45.

Reference (Deposit): USGS MF-389 (B-5), LOC. 34.

Reference (Deposit): USGS CIRCULAR 250, P. 24, 26, 28-31.

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