| Deposit ID | 10000698 |
|---|---|
| MRDS ID | A011329 |
| Record type | Site |
| Current site name | Unnamed (head of Ohio Creek) |
| Geographic coordinates: | -149.93283, 63.18958 (WGS84) |
|---|---|
| Relative position | The prospect is at an elevation of about 3,500 feet at the northwest edge of the glacial moraine at the head of Ohio Creek. The site is on the boundary of secs. 7 and 18, T. 20 S., R. 12 W., of the Fairbanks Meridian. The accuracy of the location is within 0.5 mile. This is locality 18 of Cobb (1978, OFR 78-1062). |
Political divisions (FIPS codes)
Matanuska-Susitna(Borough)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Healy A-6(quadrangle 1:63,360 scale)
Healy S(quadrangle 1:100,000 scale)
Healy(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)
Federal lands
Denali National Park(National Park)
National Park NPS(Type of land area)
NPS(Federal land areas administered by NPS)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Tin Critical | Primary |
| Gold | Secondary |
| Copper | Secondary |
| Niobium (Columbium) Critical | Secondary |
| Tantalum Critical | Secondary |
| Tungsten Critical | Secondary |
| Zinc Critical | Secondary |
| Materials | Type of material |
|---|---|
| Arsenopyrite | Ore |
| Cassiterite | Ore |
| Gold | Ore |
| Wodginite | Ore |
| Feldspar | Gangue |
| Muscovite | Gangue |
| Quartz | Gangue |
| Tourmaline | Gangue |
| Model code | 49 |
|---|---|
| USGS model code | 15c |
| Deposit model name | Sn greisen |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Greisen |
| (1) | -149.93283, 63.18958 |
|---|
| Development status | Prospect |
|---|---|
| Commodity type | Metallic |
| District name | Valdez Creek |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A011329 | |
| USGS | Alaska Resource Data File | ARDF | HE056 |
Capps, S.R., 1924, Geology and mineral resources of the region traversed by the Alaska Railroad: U.S. Geological Survey Bulletin 755-C, p. 73-150.
Ross, C.P., 1933, The Valdez Creek mining district, Alaska: U.S. Geological Survey Bulletin 849, p. 289-467.
Hawley, C.C., and Clark, A.L., 1974, Geology and mineral deposits of the upper Chulitna district, Alaska: U.S. Geological Survey Professional Paper 758-B, p. 1-47, 2 sheets, scale 1:12,000 and 1:48,000.
Hawley, C.C., and others, 1978, Mineral appraisal of lands adjacent to Mt. McKinley National Park, Alaska. Contract No. JO166107: U.S. Bureau of Mines Open-File Report 24-78, 274 p., 12 sheets.
Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-1062, 113 p.
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.
Nokleberg, W.J., and others, 1994, Metallogeny and major mineral deposits of Alaska and Metallogenic map of significant metalliferous lode deposits and placer districts of Alaska, in Plafker, G. and Berg, H.C., eds., The Geology of Alaska: Boulder, Colorado, Geological Society of America: The Geology of North America, v. G1, p. 855-904 and v. G1, Plate 11, scale 1:2,500,000.
Clark, A.L., and Cobb, E.H., 1972, Metallic mineral resources map of the Healy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-394, 1 sheet, scale 1:250,000.
| Subject category | Comment text |
|---|---|
| Deposit | Model Name = Sn greisen (Cox and Singer, 1986; model 15c) |
| Deposit | Other Comments = Stream sediment samples taken from area adjacent to granitic stock suggest undiscovered vein deposits in country rock. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 07-APR-2000 | N. Van Wyck | Stevens Exploration Management Corporation |
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.