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Geotimes
July 2006
Carolyn Gramling |
Afar From Close-up Powerful stresses in the crust lead to frequent earthquakes and volcanism in the Afar Depression of northeastern Ethiopia. Researchers now say that the source of this activity reveals a possible new connection in Earth's interior.   |
Geotimes
May 2007
Kathryn Hansen |
Deep Earth May Hold an Ocean Earth's deep interior, more than 1,000 kilometers below the surface in the mantle, could prove to be a watery place. That's the conclusion researchers drew from an anomaly uncovered by the first global map of Earth's lower mantle, using a new type of seismic analysis. |
Geotimes
June 2005
Naomi Lubick |
Double-Crossing the Core A team of scientists has taken the properties of a mineral from the Earth's lower mantle, together with seismic observations of the core-mantle boundary, to propose a new model that could elucidate the heat engine that drives Earth. |
Geotimes
November 2003
Naomi Lubick |
Turkish tectonics Researchers recently published preliminary results of the first data collected with modern techniques documenting the tectonic and seismic regimes of eastern Turkey. Their work may overturn conceptions of the tectonic setting of the region. |
Geotimes
April 2007
Nicole Branan |
Found: Tibet's Missing Anchor Through new seismic work, researchers may have found a clue to why the Tibetan Plateau is as high as it is. A chunk of upper mantle that's been "missing" for some 15 million years may have contributed to the region's uplift, they say. |
Geotimes
January 2004
Naomi Lubick |
W. Jason Morgan: Geophysics guru honored The recipient of the National Medal of Science, an award for lifetime achievement, is considered by many to be the key architect of plate tectonic mechanics. |
Geotimes
October 2006
Carolyn Gramling |
Flexing Plates Produce Volcanoes There's a new kind of volcano in town, according to a new study. |
IEEE Spectrum
November 2006
Kieron Murphy |
Q&A: Paul G. Richards, Nuclear Arms Seismologist An interview with the Mellon Professor of the Natural Sciences at Lamont-Doherty Earth Observatory of Columbia University on the science of detecting and measuring nuclear weapons test explosions. |
Geotimes
November 2005
Sara Pratt |
Super-Rotation for Earth's Core A new earthquake study supports the 1996 finding that Earth's inner core is spinning faster than the planet's mantle and crust -- at a rate detectable on human timescales, but about one-third of the rate first suggested. |
Scientific American
September 2008
Lucas Laursen |
Seismic "Noise"--Oil Prospecting Data Could Decipher Ocean Mixing A ring of warm, salty water in the Atlantic was recently imaged with seismic survey data taken 15 years ago |
Geotimes
April 2007
Kathryn Hansen |
Ocean Waves Drive Earth's Hum High-energy near-shore waves are the main source of energy for the constant seismic background noise known as Earth's "hum." |
Chemistry World
March 13, 2014
Emma Stoye |
Piece of Earth's interior 'ocean' found in diamond A tiny crystal found in a diamond has confirmed predictions about a giant store of water deep in the Earth's mantle. |
Geotimes
October 2004 |
California's Moho The southern Sierra Nevada mountain range in California has an anomalously thin crust and using seismic imaging, geologists have observed that something is missing. |
Geotimes
September 2007
Elizabeth Quill |
Earth's Heat Buoys up Its Crust New research suggests that without the heat in Earth's crust and upper mantle creating elevation, much of North America would be underwater. |
Chemistry World
July 30, 2009
James Urquhart |
Water linked to mantle oxidation US scientists have used an emerging technique to analyse minuscule samples of magma derived from the Earth's mantle in different tectonic environments and discovered a direct link between water content and the oxidation state of iron within the sample. |
Geotimes
July 2004
Sara Pratt |
Core Compositions Scientists are working to explain the differences in composition between Earth and Mars. |
Geotimes
July 2006
Carolyn Gramling |
Earth Soaks up Seawater Geologists have long thought that seawater does not travel very far through Earth's interior A new geochemical study, however, is challenging that notion, saying that traces of seawater exist deep inside the planet. |
Geotimes
July 2007
Carolyn Gramling |
X-ray Eyes in the Sky Scientists are working on the next generation of low-orbiting satellites that they hope will see far past the Earth's surface and into its interior, to better understand the structure and composition of Earth's crust, mantle and core. |
