| Main commodities | Au; Pb; Zn |
|---|---|
| Ore minerals | arsenopyrite; galena; gold; sphalerite |
| Gangue minerals | quartz |
| Quadrangle map, 1:250,000-scale | AN |
|---|---|
| Quadrangle map, 1:63,360-scale | A-3 |
| Latitude | 61.05 |
| Longitude | -148.06 |
| Nearby scientific data | Find additional scientific data near this location |
| Location and accuracy | On the peninsula between College Fiord and Barry Arm, 2 miles west of BM Fable. Accurate within 0.5 mile. Locality 60 of Cobb (1972), locality 49 of MacKevett and Holloway (1977), and locality A-24 of Jansons and others (1984). |
Geologic descriptionQuartz vein, 2 to 8 inches thick, containing arsenopyrite, galena, gold, and sphalerite, cuts Late Cretaceous Valdez Group slate and graywacke. Vein strikes N 11 to 40 E and has a nearly vertical dip. Assays up to 4.25 oz/ton Au reported (Johnson, 1914). | |
| Geologic map unit | (-148.062059500199, 61.0494323461226) |
|---|---|
| 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 Valdez Group slates and graywackes. |
| Alteration of deposit | Oxidation evident at outcrop (Johnson, 1914). |
| Workings or exploration | Explored by surface excavations and 77 ft of underground workings. Assays up to 4.25 oz/ton Au reported (Johnson, 1914). |
|---|---|
| Indication of production | None |
| MRDS Number | A011664 |
|---|---|
| Reporters | D.P. Bickerstaff (USGS contractor); S.W. Huss (USGS) |
| Last report date | 7/30/1998 |