Description:
Contains citations and abstracts to journal articles, books, maps, conference papers, reports and theses. The database includes references to all publications of the U.S. Geological Survey. Masters' theses and doctoral dissertations from US and Canadian universities are also covered. Major areas of coverage include areal geology, economic geology, engineering geology, environmental geology, extraterrestrial geology, geochemistry, geochronology, geophysics, hydrogeology and hydrology, marine geology and oceanography, mathematical geology, mineralogy and Crystallography, paleontology, petrology, seismology, stratigraphy, structural geology, surficial geology and quaternary geology, igneous and metamorphic petrology, hydrogeology, geochemistry, aerial geology and maps
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