| Main commodities | Cu |
|---|---|
| Ore minerals | azurite; chalcopyrite; malachite |
| Quadrangle map, 1:250,000-scale | AR |
|---|---|
| Quadrangle map, 1:63,360-scale | D-3 |
| Latitude | 67.87 |
| Longitude | -157.04 |
| Nearby scientific data | Find additional scientific data near this location |
| Location and accuracy | Located in pass between small, unnamed hills south of the Noatak River in T. 29 N., R. 8 E., Kateel River Meridian. Shown as locality 67 in Mayfield and Grybeck (1978) and is accurate to within 2000 ft. (600 m). |
Geologic descriptionChalcopyrite, malachite and azurite coat fracture surfaces in quartzite. Nearby occurrences include a small gossan on limestone-phyllite outcrop that contains 1800 ppm Cu and 5 ppm Ag, and a small, malachite-bearing quartz vein that cuts marble. | |
| Geologic map unit | (-157.042856759525, 67.8694774514598) |
|---|---|
| Mineral deposit model | Polymetallic vein (see Schmidt and Werdon, 1993, p. 143)? |
| Indication of production | None |
|---|---|
Additional commentsOccurrence is within Noatak National Preserve. | |
| MRDS Number | A011904 |
|---|---|
| Reporters | K.R. Leonard (USGS), R.L. Elliott (USGS), J.M. Schmidt (USGS), S.W. Nelson (USGS retired) |
| Last report date | 5/4/1997 |