Kahiltna River Placers

Past Producer in Alaska, United States with commodities Gold, Platinum, Uranium, Thorium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10000922
MRDS ID A011590
Record type Site
Current site name Kahiltna River Placers
Alternate or previous names Sholan Bar, Round Bend Bar, Red Hill Bar
Related records 10210092

Geographic coordinates

Geographic coordinates: -150.88887, 62.14536 (WGS84)
Location accuracy 2000(meters)
Relative position 3 MILES BY RIVER, DOWNSTREAM FROM MOUTH OF PETERS CREEK

Site location context

Political divisions (FIPS codes)

Matanuska-Susitna(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Talkeetna A-2(quadrangle 1:63,360 scale)

Talkeetna SE(quadrangle 1:100,000 scale)

Talkeetna(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Yentna River(hydrologic unit)

Susitna River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION GIVEN IS APPROXIMATE SITE OF SHOLAN BAR; OTHER SITES OF MINING ACTIVITY WERE ROUND BEND BAR AND RED HILL BAR NEAR THE MOUTH OF BEAVER CREEK. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary
Uranium Tertiary
Thorium Tertiary

Comments on the commodity information

  • PT RECOVERED AS BYPRODUCT OF PLACER GOLD MINING; PT FOUND IN GRAINS UP TO 1/8 IN IN DIAMETER

Materials information

Materials Type of material
Apatite Gangue
Cassiterite Gangue
Feldspar Gangue
Garnet Gangue
Hematite Gangue
Ilmenite Gangue
Limonite Gangue
Magnetite Gangue
Pyroxene Gangue
Quartz Gangue
Sphene Gangue
Spinel Gangue
Tourmaline Gangue
Zircon Gangue
Gold Unknown
Monazite Unknown
Platinum Unknown

Nearby scientific data

(1) -150.88887, 62.14536

Economic information

Comments on the geologic information

  • MAJOR.UNITS: COAL BEARING FORMATION COMPOSED OF INTERBEDDED SANDSTONE AND GLACIAL CLAY WITH LENSES OF CONGLOMERATE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Yentna

Comments on the production information

  • ROUND BEND BAR PRODUCED ABOUT 72.5 OZ FROM 100 CY OF GRAVEL IN 1908, (REPORTED AS 1500 DOLLARS IN GOLD WITH GOLD AT 20.67/OZ), IN USGS BULL 692, P. 263

Comments on development

  • HAS BEEN MINED ON SMALL SCALE INTERMITTENTLY ALONG BARS AND BENCHES; AT LEAST 20 DRILL HOLES SUNK IN 1917

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit STREAM GRAVELS 6 TO 9 FT DEEP, SEVERAL HUNDRED YD WIDE, CONTAIN GOLD, PLATINUM AND THORIUM BEARING MINERALS
Deposit BAR DEPOSITS ARE CONDUCIVE TO LARGE SCALE PLACER MINING METHODS; GOLD HAS ALSO BEEN REPORTED IN STREAM AND BENCH PLACERS ON LAKE CREEK, WHICH RUNS PARALLEL TO KAHILTNA RIVER ON ITS W SIDE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 30-MAY-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PARSED DATA INTO WO RKINGS AND ORE BODY MULTIVALUED FIELDS

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.