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Geotimes
August 2003
Christina Reed |
Making mountains from a molehill Jason Saleeby of Caltech says the Laramide Slab owes its uniqueness to having carried a plateau from the distant seafloor, which helps explain why the shallow oceanic slab sheared off a segment of western North America's continental lithosphere.   |
Chemistry World
July 22, 2011
David Bradley |
Cracking diamonds reveals continental origins An analysis of the mineral inclusions in diamonds dredged up by eruptions from deep within the Earth has allowed scientists to get a handle on when the process of plate tectonics began. |
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
September 2006
Lisa Rossbacher |
Big Lonesome Mountain What makes Gros Morne National Park so special is that its stories match the experience each visitor brings. The more geology you know, the more you will see and the richer the visit will be, but the geology meets all visitors at their own level. |
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
May 28, 2014
Ian Randall |
Earth's earliest continent formed like Iceland The Earth's first continents may have formed in a geological setting similar to modern-day Iceland, according to the geochemical analysis of a newly discovered rock unit from Canada. |
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
November 2007
Carolyn Gramling |
How Does Your Continent Grow? Data from ancient mantle rocks are helping to shore up the hypothesis that the continental crust was extracted in pulses, during periodic large melting events in the mantle. |
Geotimes
July 2004
Jay Chapman |
Squishy plates Using groundbreaking satellite techniques, new research suggests continental crust reacts to strain more like toothpaste than rigid blocks of rock. |
Geotimes
September 2005
Sara Pratt |
Sourcing Ultradeep Diamonds Mineral impurities in a diamond may decrease the gem's value for jewelers, but for geologists they can prove to be priceless: South African diamonds containing garnet have recently provided evidence that very deep diamonds can form from surface materials. |
Geotimes
November 2005
Megan Sever |
New Appalachian Tale New research indicates that conventional thinking about the timing of the building of the Appalachian Mountains may be incorrect. |
National Defense
September 2010
Grace V. Jean |
Scientists Say They Are Closer Than Ever to Predicting Earthquakes Researchers have discovered that there are warning signs that can be detected in the weeks and hours prior to temblors. |
Chemistry World
January 14, 2014
Ian Randall |
Early start for plate tectonics Subduction of the Earth's crust -- and modern-day plate tectonics -- may have begun as early as the Hadean Eon, 4.4 billion years ago, according to a new study led by researchers from Australia. |
Chemistry World
June 19, 2013
Jaco Baas |
Earth materials: introduction to mineralogy and petrology This book by Cornelis Klein and Anthony Philpotts promises a comprehensive text on mineralogy and petrology for single-semester university courses in geology, earth science and environmental science. |
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
October 2004
Katie Donnelly |
Petrology and Politics This scientist is preparing for her upcoming work in Washington, D.C., as the 2004-2005 Congressional Science Fellow for the American Geological Institute. |
Geotimes
April 2005
Peter A. Scholle |
Geologic Etiquette in a Mechanized Era Geologists should exercise more considerate choices regarding the rocks they destroy for science. |
Geotimes
October 2006
Carolyn Gramling |
Flexing Plates Produce Volcanoes There's a new kind of volcano in town, according to a new study. |
Geotimes
March 2005
Sara Pratt |
Rocky Debate Over Early Life Scientists fail to replicate a 1996 study on 3.85-billion-year-old rocks that pushed back the date of the earliest evidence for life on Earth by several hundred million years. |
Geotimes
September 2004
Sarah Todd Davidson |
The Center of it All: Visiting Central Park New York's Central Park presents a treasure trove of important geologic information. |
Geotimes
March 2006
Kathryn Hansen |
Earthquake Jostles Iran After an evening of precursory tremors, a magnitude-6.1 earthquake struck western Iran today. |
Geotimes
June 2005 |
Geomedia Selling Extreme Life on the Extreme Screen... Books: Earth: An Intimate History... On the Shelf: Climate Change Picks from Kim Stanley Robinson... Maps: New View of North America... etc. |
Chemistry World
January 28, 2015
Emma Stoye |
Tiny volcanic cracks 'incubated' ancient DNA Tiny pores within volcanic rocks on ancient Earth may have provided the ideal conditions for replicating molecules, and could also have driven the evolution of longer and longer genetic sequences, researchers in Germany have shown. |
Geotimes
February 2005
Laura Stafford |
Earthquake Rattles Iran A magnitude-6.4 earthquake struck central Iran early on the morning of Feb. 22, killing almost 400 people, injuring many more and devastating the mountainous region. |
