| Main commodities | Ag; As; Pb |
|---|---|
| Ore minerals | sulfide minerals |
| Gangue minerals | quartz |
| Quadrangle map, 1:250,000-scale | AN |
|---|---|
| Quadrangle map, 1:63,360-scale | A-1 |
| Latitude | 61.06 |
| Longitude | -147.17 |
| Nearby scientific data | Find additional scientific data near this location |
| Location and accuracy | North of Terentiev Lake, at 2,000 ft elevation - 1 mile east of Peak 2,930. Accurate within 2,500 ft. Locality A-43 of Jansons and others (1984). |
Geologic descriptionLimonite-stained quartz-cemented fractures in Tertiary biotite +/- hornblende granite. USGS grab samples contained 0.15 percent Pb, 10 ppm Ag, and 0.2 percent As (Jansons and others, 1984). | |
| Geologic map unit | (-147.172066121521, 61.0594485941094) |
|---|---|
| Mineral deposit model | Low-sulfide Au-quartz veins? (Cox and Singer, 1986; model 36a?) or Chugach-type low-sulfide Au-quartz vein? (Bliss, 1992; model 36a.1?). |
| Mineral deposit model number | 36a? or 36a.1? |
| Age of mineralization | Tertiary or younger; mineralized fractures cut Tertiary granite. |
| Alteration of deposit | Oxidation of Fe minerals. |
| Workings or exploration | Jansons and others (1984) reported grab samples contained 0.15 percent Pb, 10 ppm Ag, and 0.2 percent As. |
|---|---|
| Indication of production | None |
| MRDS Number | A106210 |
|---|---|
| Reporters | D.P. Bickerstaff (USGS contractor); S.W. Huss (USGS) |
| Last report date | 7/30/1998 |