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Walters; Brasslin & Atkinson Prospect, Prince William Sound District, Valdez-Cordova Borough, Alaska, USA

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Latitude & Longitude (WGS84): 61° 3' 0'' North , 148° 3' 35'' West
Latitude & Longitude (decimal): 61.05, -148.059722222


Location: 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).
Geology: Quartz 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).
Workings: Explored by surface excavations and 77 ft of underground workings. Assays up to 4.25 oz/ton Au reported (Johnson, 1914).
Age: Late Cretaceous or younger; veins cut Late Cretaceous Valdez Group slates and graywackes.
Alteration: Oxidation evident at outcrop (Johnson, 1914).

Commodities (Major) - Au, Pb, Zn
Development Status: None
Deposit Model: Chugach-type low-sulfide Au-quartz veins (Bliss, 1992; model 36a.1 ?) or Epithe

Mineral List


5 valid minerals.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000. Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p. Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, southcentral Alaska: U.S. Bureau of Mines Mineral Land Assessment 5-84, 218 p., 2 sheets, scale 1:250,000. Johnson, B.L., 1914, The Port Wells gold-lode district, Alaska: U.S. Geological Survey Bulletin 592-G, p. 195-236. MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.

 
Mineral and/or Locality  
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