Short articles summarize environmental geochemical studies of metallic mineral deposits in Alaska, including massive sulfide, gold, mercury, chromium, and uranium mines and deposits. The studies report metal and acid concentrations in samples collected around such mines and deposits, and evaluate environmental effects of the deposits. The articles are written in a style intended to reach a general audience.

Provides information about current Alaskan mineral projects and events during 1991, with emphasis on federal activity. Addresses both onshore and offshore areas of Alaska. Information is provided for two broad categories of minerals: energy resources and nonfuel-mineral resources. 20 figures and photos.

Short papers describing results of recent geologic investigations.