|Quadrangle map, 1:250,000-scale||SR|
|Quadrangle map, 1:63,360-scale||A-3|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||The occurrence is located in the SE1/4 section 25, T. 1 S., R. 9 E., of the Seward Meridian. It is on Latouche Island about 1 mile southeast of Sleepy Bay. This is location S-13 of Jansons and others (1984). This location is accurate to within a quarter of a mile.|
Geologic descriptionThe occurrence consists of several mineralized shear zones that cut across sedimentary rock near the shore (Kurtak and Jeske, 1986). Sphalerite, minor chalcopyrite, and pyrite are present in small shear zones. The host rock is west-dipping interbedded slate and sandstone of the Orca Group of early Tertiary age (Nelson and others, 1985). A small gabbro mass is exposed on the shoreline, about one mile southeast of Sleepy Bay. The U.S. Bureau of Mines collected three chip samples. One sample collected from a sulfide-rich lens contained 5.9 percent zinc, but the exposure was very small (Kurtak and Jeske, 1986). The other two samples contained insignificant amounts of metals.
|Geologic map unit||(-147.817291799175, 60.0581650325328)|
|Mineral deposit model||Besshi massive sulfide (Cox and Singer, 1986; model 24b)|
|Mineral deposit model number||24b|
|Age of mineralization||Tertiary or younger; the mineralization is in rocks of the Orca Group of Tertiary age.|
|Workings or exploration||Kurtak and Jeske (1986) noted that the claims were staked over a geophysical anomaly. The U.S. Bureau of Mines collected three chip samples. One sample collected from a sulfide-rich lens, contained 5.9 percent zinc, but the exposure was very small (Kurtak and Jeske, 1986). The other two samples contained insignificant amounts of metals.|
|Indication of production||None|
Additional commentsA. M. Bateman, a consultant for Kennecott Copper Company, may have investigated this property. His report is available on request from the Minerals Division, Bureau of Land Management, Anchorage, Alaska.
Bateman, A.N., 1928, Unpublished consultant report to Kennecott Copper Corp., Seattle, Washington 1916-1927; held at the U.S. Bureau of Land Management Alaska State Office, Anchorage, 1 v.
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.
Kurtak, J.M., and Jeske, R.E., 1986, Mineral investigations in the Chugach National Forest, Alaska (Islands area): U.S. Bureau of Mines Open-File Report 54-86, 302 p., 1 sheet, scale 1:63,360.
|Reporters||Jeff A. Huber and Carol S. Huber (Anchorage)|
|Last report date||12/29/2000|