| Quadrangle map, 1:250,000-scale | AN |
|---|---|
| Quadrangle map, 1:63,360-scale | A-4 |
| Latitude | 61.07 |
| Longitude | -148.16 |
| Nearby scientific data | Find additional scientific data near this location |
| Location and accuracy | Prospect located near BM Point Doran. Accurate within 500 ft. Locality 56 of Cobb (1972), locality 45 of MacKevett and Holloway (1977), and locality A-32 of Jansons and others (1984). |
Geologic descriptionData from J.W. Reiter and M.J. Olson indicated (1913) the presence of quartz veins in Late Cretaceous graywackes. The quartz veins, 6 to 30 inches thick, contain stibnite, chalcopyrite, and galena. One 8 to 36 inch thick vein can be traced 200 ft (Johnson, 1914). | |
| Geologic map unit | (-148.162076402117, 61.0694363168327) |
|---|---|
| Mineral deposit model | Chugach-type low-sulfide Au-quartz veins (Bliss, 1992; model 36a.1?) or Epithermal Au vein? |
| Mineral deposit model number | 36a.1? |
| Age of mineralization | Late Cretaceous or younger; veins cut Late Cretaceous graywackes. |
| Workings or exploration | Probably minor surface prospecting. |
|---|---|
| Indication of production | None |
| MRDS Number | A011660 |
|---|---|
| Reporters | D.P. Bickerstaff (USGS contractor); S.W. Huss (USGS) |
| Last report date | 7/30/1998 |