| Main commodities | Cu |
|---|---|
| Ore minerals | chalcopyrite; malachite |
| Gangue minerals | calcite; quartz |
| Quadrangle map, 1:250,000-scale | AR |
|---|---|
| Quadrangle map, 1:63,360-scale | D-1 |
| Latitude | 67.88 |
| Longitude | -156.31 |
| Nearby scientific data | Find additional scientific data near this location |
| Location and accuracy | Located on ridge just north of Ningyoyak Creek in T. 29 N., R. 11 E., Kateel River Meridian. Location accurate to within 2000 ft. (600 m). Shown as locality 64 in Mayfield and Grybeck (1978). |
Geologic descriptionMalachite and chalcopyrite in quartz-carbonate stringers (veins). Deposit crops out within an area 100 ft. by 75 ft. (30 m by 15 m), and is known depth to a depth of 10 ft (3 m) (Degenhart and others, 1978, p. 373-377). | |
| Geologic map unit | (-156.31283986024, 67.879487449311) |
|---|---|
| Mineral deposit model | Polymetallic vein (Schmidt and Werdon, 1993). |
| Workings or exploration | Surface workings including trenching. Two rock samples reported by Degenhart and others (1978, p. 381-382), to assay 0.14 percent and 0.44 percent Cu respectively. |
|---|---|
| Indication of production | None |
| MRDS Number | A011903 |
|---|---|
| Reporters | K.R. Leonard (USGS), R.L. Elliott (USGS), J.M. Schmidt (USGS), S.W. Nelson (USGS retired) |
| Last report date | 4/28/1997 |