| Main commodities | Cu |
|---|---|
| Ore minerals | chalcopyrite |
| Quadrangle map, 1:250,000-scale | BS |
|---|---|
| Quadrangle map, 1:63,360-scale | D-7 |
| Latitude | 59.989 |
| Longitude | -149.268 |
| Nearby scientific data | Find additional scientific data near this location |
| Location and accuracy | The occurrence is located on the steep slopes of an east-west trending stream which drains into Humpy Cove; it is in the SW1/4 of section 22, T. 2 S., R. 1 E., of the Seward Meridian. Humpy Cove is about 11 miles southeast of Seward, Alaska. This is Cobb's (1972, MF-440) location 1 and Tysdal's (1978) location 105. This location is accurate to within a quarter of a mile. |
Geologic descriptionThe prospect consists of a shear zone in a sheeted basalt dike unit of the Upper Cretaceous Valdez Group. The shear zone was reported to contain chalcopyrite (Cobb and Tysdal , 1980). | |
| Geologic map unit | (-149.270135432857, 59.9884396900371) |
|---|---|
| Mineral deposit model | Chalcopyrite in shear zone. |
| Age of mineralization | Cretaceous or younger; associated with shearing of Cretaceous basalt dike. |
| Indication of production | None |
|---|
| MRDS Number | A010600 |
|---|---|
References | |
| Reporters | Jeff A. Huber (Anchorage) |
| Last report date | 1/27/1999 |