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vol. 49, no. 7
18 SOLID EARTH
Earthquakes by Rachel E. Abercrombie * Volcanoes by Michael Ramsey * Structural
Geology by Mary Hubbard * Sedimentary Basins by Brian Horton * Geomorphology by
Noah P. Snyder * Caves and Karst by Louise D. Hose * Geodesy by Jeff Freymueller * Geochemistry by Adam Kent * Mineralogy I by Robert M. Hazen * Mineralogy II
by Udo Becker * Clay Minerals by Theo Kloprogge * Carbonates by the University
of Kansas Carbonate Research Group * Soil Science by Naomi Lubick * Hydropedology
by Hangsheng Lin * Metamorphism by Donna L. Whitney * Igneous Petrology by Lang
Economic Geology by Neil Phillips * Petroleum Geology by Jim Handschy * Geothermal
Energy by John Sass and Wendell Duffield * Mapping by Harvey Thorleifson * Hydrogeology
by Stephen M. Testa * Coal Science by Leslie Ruppert * Exploration Geophysics
by Craig Beasley
38 LIFE THROUGH TIME
Vertebrate Paleontology by Donald Prothero * Invertebrates by Warren Allmon
* Geoarchaeology by David L. Cremeens * Geomicrobiology and Genomes by Jan Amend
* Palynology by Frederick J. Rich and Gordon D. Wood * Paleobotany by Brian
42 WATER AND CLIMATE
Paleoceanography & Paleoclimatology by Athanasios Koutavas
* Ocean Drilling by Thomas A. Davies * Limnogeology by Elizabeth H. Gierlowski-Kordesch
44 BEYOND EARTH
Meteorites by Tim McCoy * Planetary Geology by Geoffrey Collins
The Geosciences Profession
The earth sciences are at a crossroads: Will they broaden into a liberal
science or try to retain the status of a profession?
Christopher M. Keane
8 NEWS NOTES
Ocean management 101 * Possible P/T impact crater * Recalculating the
warming trend * Shedding light on ancient molting * Homeland security
and geospatial data * Volcanic avalanches * Under-reef pipelines get green
light * Core compositions * Capitol loss
17 POLITICAL SCENE
Suppressing Science in Policy: Sharing Responsibility
Science is only one of many factors that contribute to decisions on science
policy made on the Hill and in the White House.
Next Best Friend: Cultured Diamonds
A new breed of diamond
is taking the gem and industrial worlds by storm: cultured stones created
in the lab in a geologic second.
Joining the academy: The National Academy of Sciences has elected six
geoscientists to join its membership this year.
Underwater asphalt living
64 ENERGY & RESOURCES
Two suits on land use
Mineral of the Month: Feldspar
Digital geologic map of Virginia
On the shelf
On the Web
80 GEOLOGIC COLUMN
Manna from the Heavens?
When an ordinary rock shoots to cosmic fame, its finders often seek fortunes
only to find geologic truth.
6 Letters: Perspectives
56 Where on Earth?
66 Benchmarks: Looking
back in Geotimes
72 Classifieds: Career
79 Contributors Page
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