| Deposit ID | 10111306 |
|---|---|
| MRDS ID | A010585 |
| Record type | Site |
| Current site name | Kahiltna River |
| Geographic coordinates: | -150.69273, 61.92953 (WGS84) |
|---|---|
| Relative position | MacKevett and Holloway (1977, locality 6) locate this placer prospect as covering approximately four miles along the Kahlitna River centered at about the middle of Section 11 in T. 22 N, R. 18 W. (U.S. Bureau of Mines, 1998, MAS # 0020840001; Cobb, 1979, MF 385, locality 6; U.S. Bureau of Mines, 1973, localites 58, 68, and 70; and Carnes, 1976, localities 1, 2 and 3). This site is a continuation of the placers upstream described at ARDF TY027 and downstream of ARDF TY029. |
Political divisions (FIPS codes)
Matanuska-Susitna(Borough)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Tyonek D-2(quadrangle 1:63,360 scale)
Tyonek NE(quadrangle 1:100,000 scale)
Tyonek(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)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Platinum Critical | Secondary |
| REE Critical | Secondary |
| Tin Critical | Secondary |
| Thorium | Secondary |
| Titanium Critical | Secondary |
| Uranium | Secondary |
| Tungsten Critical | Secondary |
| Zirconium Critical | Secondary |
| Materials | Type of material |
|---|---|
| Cassiterite | Ore |
| Monazite | Ore |
| Platinum | Ore |
| Rutile | Ore |
| Scheelite | Ore |
| Gold | Ore |
| Garnet | Gangue |
| Hematite | Gangue |
| Ilmenite | Gangue |
| Magnetite | Gangue |
| Quartz | Gangue |
| Sphene | Gangue |
| Tourmaline | Gangue |
| Zircon | Gangue |
| Model code | 119 |
|---|---|
| USGS model code | 39a |
| Deposit model name | Placer Au-PGE |
| Mark3 model number | 54 |
| (1) | -150.69273, 61.92953 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| District name | Yentna |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A010585 | |
| USGS | Alaska Resource Data File | ARDF | TY028 |
Smith, P.S., 1930, Mineral industry of Alaska in 1928: U.S. Geological Survey Bulletin 813, p. 1-72.
Overstreet, W.C., 1967, The geologic occurrence of monazite: U.S. Geological Survey Professional Paper 530, 327 p.
Cobb, E.H., 1972, Metallic mineral resources map of the Tyonek quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-385, 1:250,000 scale.
Carnes, D.R., 1976, Active Alaskan placer operations, 1975: U.S. Bureau of Mines Open-File Report 98-76, 90 p., 40 maps.
MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.
Cobb, E.H., 1979, Summary of references to mineral occurrences (other than minerals fuels and construction materials) in the Kenai and Tyonek Quadrangles, Alaska: U.S. Geological Survey Open-File Report 80-86, 36 p.
U.S. Bureau of Mines, 1998, Minerals Availability System/Minerals Industry Location System (MAS/MILS), Talkeetna Quadrangle: Worldwide Web URL http://imcg.wr.usgs.gov/data.html.
Mertie, J.B., Jr., 1919, Platinum-bearing gold placers of the Kahiltna Valley: U.S. Geological Survey Bulletin 692-D, p. 233-264.
Joesting, H.R., 1942, Strategic mineral occurences in interior Alaska: Alaska Territorial Department of Mines Pamphlet 1, 46 p.
| Subject category | Comment text |
|---|---|
| Deposit | Model Name = Placer gold (Cox and Singer, 1986; model 39a) |
| Deposit | Other Comments = See Kahiltna River occurrences in the Tyonek Quadrangle (ARDF numbers TY027 and TY029) and to the north in the Talkeetna Quadrangle. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1998 | Madelyn A. Millholland | Millholland & Associates | |
| Reporter | 01-JUN-1998 | James Riehle | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.