DISCOVERIES IN THE EARTH SCIENCES
12 Solid Earth
Earthquakes by Susan E. Hough * Volcanoes by Tobias Fischer * Geomorphology by Jeffrey D. Niemann and Eric Kirby * Structural Geology by Mary Hubbard * Metamorphism by Michael Brown * Igneous Petrology by Allen Glazner * Carbonates by Evan K. Franseen and Katherine A. Giles * Mineralogy by Richard J. Harrison * Limnogeology by Elizabeth H. Gierlowski-Kordesch * Geochemistry by Adam J.R. Kent * Soil Science by Michael J. Singer
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Mapping by Kevin M. Schmidt * Hydrology by Venkat Lakshmi * Geothermal Energy by John Sass and Wendell Duffield * Economic Geology by Neil Phillips * Petroleum Geology by William Almon * Exploration Geophysics by Michael S. Bahorich * Coal Science by Leslie Ruppert
28 Life through Time
Vertebrates by Donald R. Prothero * Invertebrates by Warren D. Allmon * Geoarchaeology by Vance T. Holliday * Geomicrobiology by Jan P. Amend
and Ice and Climate
Paleoclimatology & Paleoceanography by Thomas M. Marchitto Jr. * Ocean Drilling by Thomas A. Davies * Glaciology by Terence J. Hughes
Meteorites by Kevin Righter * Planetary Geology by Martha S. Gilmore
Cooperating to Lead
The American Geological Institute gathered geoscience leaders in Washington, D.C., to find new opportunities for alliance.
M. Ray Thomasson
6 NEWS NOTES
52 GEOLOGIC COLUMN