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In the early 20th century, approximately 6 million metric tons ofcopper ore were mined from numerous deposits located along theshorelines of fjords and islands in Prince William Sound, Alaska. Atthe Beatson, Ellamar, and Threeman mine sites (fig. 1), rockscontaining Fe, Cu, Zn, and Pb sulfide minerals are exposed tochemical weathering in abandoned mine workings and remnant wastepiles that extend into the littoral zone. Field investigations in2003 and 2005 as well as analytical data for rock, sediment,precipitate, water, and biological samples reveal that the oxidationof sulfides at these sites is resulting in the generation of acidmine drainage and the transport of metals into the marineenvironment


    map background search result map search result map Gravity and ground magnetic data from selected traverses in the Amargosa desert and vicinity, Nevada and California Case study of the environmental signature of a recently abandoned, carbonate-hosted replacement deposit: The Clayton Mine, Idaho Geophysical framework of the southwestern Nevada volcanic field and hydrogeologic implications Geophysical investigations of the Smoke Creek Desert and their geologic implications, northwest Nevada and northeast California Aeromagnetic survey of Medina and Uvalde Counties, Texas Geophysical data from the Spring and Snake Valleys area, Nevada and Utah Geochemical and Sulfur-Isotopic Signatures of Volcanogenic Massive Sulfide Deposits on Prince of Wales Island and Vicinity, Southeastern Alaska Gravity and magnetic surveys over the Santa Rita fault system, southeastern Arizona Case study of the environmental signature of a recently abandoned, carbonate-hosted replacement deposit: The Clayton Mine, Idaho Aeromagnetic expression of buried basaltic volcanoes near Yucca Mountain, Nevada Ground-magnetic studies of the Amargosa desert region, California and Nevada Gravity and ground magnetic data from selected traverses in the Amargosa desert and vicinity, Nevada and California Geophysical studies of the Crump Geyser known geothermal resource area, Oregon, in 1975 Chemical data for rock, sediment, biological, precipitate, and water samples from abandoned copper mines in Prince William Sound, Alaska Case study of the environmental signature of a recently abandoned, carbonate-hosted replacement deposit: The Clayton Mine, Idaho Case study of the environmental signature of a recently abandoned, carbonate-hosted replacement deposit: The Clayton Mine, Idaho Gravity and magnetic surveys over the Santa Rita fault system, southeastern Arizona Aeromagnetic expression of buried basaltic volcanoes near Yucca Mountain, Nevada Ground-magnetic studies of the Amargosa desert region, California and Nevada Geophysical studies of the Crump Geyser known geothermal resource area, Oregon, in 1975 Geophysical investigations of the Smoke Creek Desert and their geologic implications, northwest Nevada and northeast California Gravity and ground magnetic data from selected traverses in the Amargosa desert and vicinity, Nevada and California Gravity and ground magnetic data from selected traverses in the Amargosa desert and vicinity, Nevada and California Geochemical and Sulfur-Isotopic Signatures of Volcanogenic Massive Sulfide Deposits on Prince of Wales Island and Vicinity, Southeastern Alaska Geophysical framework of the southwestern Nevada volcanic field and hydrogeologic implications Chemical data for rock, sediment, biological, precipitate, and water samples from abandoned copper mines in Prince William Sound, Alaska Geophysical data from the Spring and Snake Valleys area, Nevada and Utah