Trepple H Prospect, Chichagof District, Sitka Borough, Alaska, USA
This page is currently not sponsored. Click here to sponsor this page.
Geology: The rocks in the vicinity of this prospect are part of a Triassic and/or Jurassic unit that consists of biotite schist and gneiss with some amphibolite, quartzite, phyllite, and hornfels (Loney and others, 1975). The unit is a thermal aureole around a large Tertiary tonalite stock. Little is known about this prospect other than that it was staked for nickel (U.S. Bureau of Land Management, 2002). It is shown by name on a map in Bittenbender and others (1999) but is not listed or described in their report.
Workings: No information other than that a claim was staked here.
Age: Triassic or younger based on the age of the host rocks.
Commodities (Major) - Ni
Development Status: None
No entries listed.
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.
Bittenbender, P., Still, J.C., Maas, K., and McDonald, M., Jr., 1999, Mineral resources of the Chichagof and Baranof Islands area, southeast Alaska: Bureau of Land Management, BLM-Alaska Technical Report 19, 222 p. Loney, R.A., Brew, D.A., Muffler, L.J.P., and Pomeroy, J.S., 1975, Reconnaissance geology of Chichagof, Baranof, and Kruzof Islands, southeastern Alaska: U.S. Geological Survey Professional Paper 792, 105 p. U.S. Bureau of Land Management, 2002, Alaska mineral locations database report (Sitka quadrangle), July 2, 2002, 205 p. [http://imcg.wr.usgs.gov/dem.html]