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July GEOLOGY and GSA TODAY media highlights

06-29-2007 · EurekAlert!

Topics include: new insights into dynamics of seafloor spreading; erosion of Alaska's Arctic coast; a challenge to hypothesized glaciation in the mid-Cretaceous; evidence of vegetation causing erosion rather than preventing it; a case for a Hadeon ocean; and dating of Earth's earliest and largest global carbon cycle imbalance. The GSA TODAY science article addresses deep-time mountain building in Tibet.

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September Geology and GSA Today media highlights
08-28-2007 · EurekAlert!
Topics include: discovery of Sudbury impact event debris in Michigan; climate change and dispersal of early modern humans out of Africa; relationship of mantle plumes and supercontinent cycles; relationship of San Andreas fault system activity and the eastern California shear zone; and ramifications of sediment mixing in studying the Great Barrier Reef. An open-access Research Focus on paleoseismology addresses earthquake prediction. The GSA TODAY science article examines climate change, Ethiopian Plateau development, and human evolution.
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October Geology and GSA Today media highlights
09-25-2007 · EurekAlert!
Topics include: discovery of exceptionally preserved soft-bodied biotas in Ontario and Manitoba, Canada; discovery of an arctic lake containing sediments 200,000 years old; effects of ancient Mayan deforestation and agriculture on soil erosion in northern Guatemala; a new catalog of episodic tremor and slip for the Cascadia subduction zone; and a new model of Sierra Nevada volcanism and uplift. The GSA TODAY science article takes a broad look at agriculture and soil erosion.
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December Geology and GSA Today media highlights
12-01-2006 · EurekAlert!
Topics include: impact of melting glaciers on near-shore ecosystems; discovery of intact egg clusters from a Middle Cambrian oceanic invertebrate; biotic recovery from the End-Permian mass extinction; fossil evidence of unusual animal foraging behavior; dating the destruction of Herod the Great's harbor at Caesarea; El Niño-related landslides along the Big Sur coastline, and evidence of flowing water at Mars' Erebus crater. The GSA Today science article describes dynamics of ice sheet recession in East Antarctica.
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November GEOLOGY and GSA TODAY Media Highlights
11-05-2007 · EurekAlert!
Topics include: continental deformation and the San Andreas fault; interior heating of Mars; correlation of 200-million-year-old rocks between Britain and America; environmental stress and the end-Permian and end-Triassic mass extinctions; rock weathering in Canada's Mackenzie River basin as a CO2 source rather than sink; how stable continents split in the absence of active volcanism; and geologic evolution of Alaska and the northern Pacific Rim. The GSA TODAY science article explores conceptual uncertainty in geoscience interpretation.
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December Geology and GSA Today media highlights
11-29-2007 · EurekAlert!
Topics include: onset of plate tectonics on Earth; Arctic Ocean's role in the global climate system; cause of the end-Permian mass extinction; Olduvai Basin lake cycles and survival of early hominins; an ancient mantle plume and the break-up of Rodinia; relationship between earthquakes and melting glaciers; monitoring Mt. Etna gas composition and eruption forecasting; and cause of the end of the PETM. The GSA TODAY science article examines Colorado citizen involvement in geoscience research.
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July-August GSA Bulletin media highlights
07-03-2007 · EurekAlert!
Geology topics of interest include new insights into Permian-Triassic boundary events and unraveling the mystery of North America's sheet sandstones.
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February Geology and GSA Today media highlights
01-26-2007 · EurekAlert!
Topics include: a new technique for analyzing the relationship between climate and hurricane activity; discovery of fossilized embryos in advanced stages of development from South China; revised dispersal and extinction dating of the late Neogene "terror bird;" new data illustrating real-time changes beneath a large Antarctic glacier; evidence that mid-latitude North America's prevailing winds once blew from east to west, and recent formation of a mud volcano in an area of active petroleum exploration.
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August GEOLOGY and GSA TODAY Media Highlights
07-23-2007 · EurekAlert!
Topics include: first images of an active oceanic detachment fault; new theory of Transantarctic Mountains formation; why western Siberian rivers flow into the Arctic Ocean via estuaries rather than coastal deltas; and cause of the large earthquake and tsunami that destroyed coastal cities of sixth-century Phoenicia (modern-day Lebanon). The GSA TODAY science article presents new evidence of an advanced civilization in Alexandria, Egypt, at least seven centuries prior to the arrival of Alexander the Great.
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February Geology and GSA Today media highlights
01-22-2008 · EurekAlert!
Topics include: tree ring-based reconstruction of an extinct polar forest's seasonal environment; geological vs. seismological views of paleo-earthquakes; impact of Lake St. Martin bolide on groundwater quality; analysis of earthquakes at the Cascadia plate boundary; radar images of volcanic and impact deposits on lunar Aristarchus Plateau; dynamics of methane escape into the atmosphere; use of charred plants in modeling pyroclastic density currents; and the possibility we've left the Holocene and are in the Anthropocene.
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March GEOLOGY and GSA TODAY Media Highlights
02-23-2007 · EurekAlert!
Topics include: discovery of ancient Triassic bacteria with strong resemblance to their modern counterparts; relationship of increased atmospheric CO2 to storm frequency and severity; Southern Hemisphere recovery from the K-T impact event and mass extinction; movement of volatile compounds in Mount St. Helens leading up to its October 2004 eruption; and differences in earthquakes generated by mature vs. less well developed faults. The GSA TODAY science article examines the future of coastal development.
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