| Deposit ID | 10000969 |
|---|---|
| MRDS ID | A011641 |
| Record type | Site |
| Current site name | Thunderbird Creek |
| Geographic coordinates: | -149.30265, 61.42955 (WGS84) |
|---|---|
| Relative position | On ridge, at 1,690 ft elevation, between Thunderbird Creek and Eklutna River. Accurate within 1,000 ft. Locality 40 of Cobb (1972) and locality 30 of MacKevett and Holloway (1977). |
Political divisions (FIPS codes)
Anchorage(Municipality)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Anchorage B-7(quadrangle 1:63,360 scale)
Anchorage SW(quadrangle 1:100,000 scale)
Anchorage(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Matanuska(hydrologic unit)
Knik Arm(hydrologic accounting unit)
South Central Alaska(hydrologic subregion)
Alaska(hydrologic region)
Federal lands
BLM(Federal land areas administered by BLM)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Chromium Critical | Primary |
| Materials | Type of material |
|---|---|
| Chromite | Ore |
| Model code | 15 |
|---|---|
| USGS model code | 8a |
| Deposit model name | Podiform chromite (minor) |
| Mark3 model number | none |
| Model code | 23 |
| USGS model code | 9 |
| Deposit model name | Alaskan Cr-Pt (PGE) |
| Mark3 model number | 120 |
| (1) | -149.30265, 61.42955 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| District name | Anchorage |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A011641 | |
| USGS | Alaska Resource Data File | ARDF | AN097 |
Clark, S.H.B., and Bartsch, S.R., 1971, Reconnaissance geologic map and geochemical analyses of stream sediment and rock samples of the Anchorage B-7 quadrangle, Alaska: U.S. Geological Survey Open-File Report 484, 70 p., 2 sheets, scale 1:36,360
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 mineral fuels and construction materials) in the Bering Glacier, Icy Bay, Middleton Island, and Yakutat quadrangles, Alaska: U.S. Geological Survey Open-File Report 79-1246, 41 p.
Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000.
MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.
Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.
| Subject category | Comment text |
|---|---|
| Deposit | Model Name = Podiform chromite or Alaskan PGE (Cox and Singer, 1986; models 8a or 9) |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 30-JUL-1998 | D.P. Bickerstaff | U.S. Geological Survey | |
| Reporter | 30-JUL-1998 | S.W. Huss | 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.