| Deposit ID | 10308093 |
|---|---|
| Record type | Site |
| Current site name | Four Bear |
| Alternate or previous names | Pmrgx-28 |
| Geographic coordinates: | -161.10244, 55.60623 (WGS84) |
|---|---|
| Relative position | The Four Bear prospect is located on the Alaska Peninsula approximately 5 miles southeast of Mount Dana. The map site is at an elevation of about 2,250 feet, near the center of sec. 8, T. 53 S., R. 77 W., Seward Meridian. It is referred to as PMRGX-28 in Wilson and others (1988, locality 76). The location is accurate to within 1,200 feet. |
Political divisions (FIPS codes)
Aleutians East(Borough)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Port Moller C-4(quadrangle 1:63,360 scale)
Port Moller(quadrangle 1:100,000 scale)
Port Moller(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Cold Bay(hydrologic unit)
Aleutian Islands(hydrologic accounting unit)
Southwest(hydrologic subregion)
Alaska(hydrologic region)
Federal lands
Alaska Peninsula National Wildlife Refuge(National Wildlife Refuge)
National Wildlife Refuge FWS(Type of land area)
FWS(Federal land areas administered by FWS)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Gold | Primary |
| Copper | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Arsenic Critical | Secondary |
| Mercury | Secondary |
| Materials | Type of material |
|---|---|
| Pyrite | Ore |
| Sphalerite | Ore |
| Calcite | Gangue |
| Opal | Gangue |
| Quartz | Gangue |
| Tourmaline | Gangue |
| Model code | 53 |
|---|---|
| USGS model code | 17 |
| Deposit model name | Porphyry Cu |
| Mark3 model number | 4 |
| Model code | 78 |
| USGS model code | 20c |
| Deposit model name | Porphyry Cu-Au |
| Mark3 model number | 34 |
| (1) | -161.10244, 55.60623 |
|---|
| Development status | Prospect |
|---|
| District name | Alaska Peninsula |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Alaska Resource Data File | ARDF | PM015 |
Trujillo, R.S., Farnham, S., and Anderson, G.,1983, Exploration and evaluation of precious metal potential of the Aleut Corporation 14(h)8 lands, southwest Alaska: Resource Associates of Alaska report, 25 p., 11 map sheets, various scales. (Report held by the Aleut Corporation, Anchorage, Alaska.)
Freeport Exploration Company, 1985, 1984 report of activities, Canoe Bay joint venture: Freeport Exploration Company, 25 p. (Report held by the Aleut Corporation, Anchorage, Alaska.)
Angeloni, L.M., Wilson, F.H., and Sutlet, S., 1985, Map and tables showing preliminary rock geochemical data, Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska: U.S. Geological Survey Open-File Report 85-470, 179 p., 1 map sheet, scale 1:250,000.
Wilson, F.H., White, W.H., and DuBois, G.D., 1988, Brief descriptions of mines, prospects, and mineral occurrences in the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 88-666, 128 p., scale 1:250,000.
Wilson, F.H., Detterman, R.L., Miller, J. W., and Case, J.E., 1995, Geologic map of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigation Series Map I-2272, 1 map sheet, scale 1:250,000.
| Subject category | Comment text |
|---|---|
| Deposit | Model Name = Porphyry Cu, Porphyry Cu-Au (Cox and Singer, 1986; models 17, 20c) |
| Deposit | Model Number = 17, 20c |
| Deposit | Other Comments = the site is located on land patented by, or interim-conveyed to, the Aleut Corporation. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 25-JAN-01 | S.H. Pilcher | 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.