| Deposit ID | 10094026 |
|---|---|
| MRDS ID | A012176 |
| Record type | Site |
| Current site name | Coal Creek |
| Alternate or previous names | Unnamed (near Coal Creek) |
| Geographic coordinates: | -149.86087, 62.98263 (WGS84) |
|---|---|
| Relative position | Area of interest is 1 mile (1.6 km) to N & S of given location; 2 miles E (3.2 km) of Eldridge glacier, on tributary of Coal Creek; location accurate to within 1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 4). |
Political divisions (FIPS codes)
Matanuska-Susitna(Borough)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Talkeetna Mountains D-6(quadrangle 1:63,360 scale)
Talkeetna Mountains NW(quadrangle 1:100,000 scale)
Talkeetna Mountains(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Chulitna River(hydrologic unit)
Susitna River(hydrologic accounting unit)
South Central Alaska(hydrologic subregion)
Alaska(hydrologic region)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Tin Critical | Primary |
| Silver | Secondary |
| Gold | Secondary |
| Copper | Secondary |
| Molybdenum | Secondary |
| Tungsten Critical | Secondary |
| Zinc Critical | Secondary |
| Materials | Type of material |
|---|---|
| Arsenopyrite | Ore |
| Cassiterite | Ore |
| Fluorite | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Silver | Ore |
| Sphalerite | Ore |
| Quartz | Gangue |
| Sericite | Gangue |
| Topaz | Gangue |
| Tourmaline | Gangue |
| Model code | 76 |
|---|---|
| USGS model code | 20a |
| Deposit model name | Porphyry Sn |
| (1) | -149.86087, 62.98263 |
|---|
| Development status | Prospect |
|---|---|
| Commodity type | Metallic |
| District name | Valdez Creek |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A012176 | |
| USGS | Alaska Resource Data File | ARDF | TK005 |
Reed, B.L., 1978, A disseminated tin occurrence near Coal Creek, Talkeetna Mountains D-6 quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-77, 8 p.
Csejtey, Bela, Jr., and Miller, R.J., 1978, Map and table describing metalliferous and selected nonmetalliferous mineral deposits in the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-558-B, 20 p., 1 plate, scale 1:250,000.
Cobb, E.H., and Csejtey, Bela, Jr., 1980, Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-716, 63 p.
Kurtak, J.M., Southworth, D.D., Balen, M.D., and Clautice, K.H., 1992, Mineral investigations in the Valdez Creek mining district, south-central Alaska: U.S. Bureau of Mines Open-File Report 1-92, 659 p., 2 plates, scale 1:250,000.
Balen, M.D., 1990, Geochemical sampling results from the Bureau of Mines investigations in the Valdez Creek mining district, Alaska: U.S. Bureau of Mines Open-File Report 34-90, 218 p., 2 plates, scale 1:250,000.
| Subject category | Comment text |
|---|---|
| Deposit | Model Name = Porphyry tin (Cox and Singer, 1986; model 20a) |
| Deposit | Other Comments = 200-2000 ppm Sn, 2.9-4.3 oz/ton Ag (Reed, 1978); up to 65 ppm Ag, 0.5 ppm Au, 328 ppm Pb, 720 ppm W, and >1.0% Zn in analyses of selected rock samples (Balen, 1990). |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1996 | Riehle, J. | 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.