U.S. Geological Survey Professional PaperU.S. Government Printing Office, 1966 - Geology |
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__do_ _do_ adamellite alluvium aluminum analyses andesite apatite aquifer basalt Basin beds biotite blocks breccia Bull Canyon carbonate chemical clay coarse concentration contains County Creek Cretaceous crystalline rock deposits depth east Elk Range fault feet feldspar FIGURE flow fluorapatite fossils fractures gabbro gneiss grains gravel ground water ground-water hole indicate injection intrusive ions Jour km/sec lava layer limestone locally lower magnetization Marie Byrd Land material Mesozoic miles mineral Mountains occur outcrop oxidation palagonite Paleozoic Paper percent permeability Permian phosphate phosphorite phyllonite pipe plagioclase plutons Precambrian quadrangle quartz Range region samples sand sandstone sea water sedimentary sediments shale shown silt siltstone southeastern specimens spore strata stratigraphic structure surface SURVEY PROF Taconic Texas thick thrust tion tuff U.S. Geol U.S. Geological Survey unit values velocity volcanic rocks West Antarctica White River Formation xenoliths zone