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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. mark for My Articles similar articles
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. mark for My Articles similar articles
Geotimes
November 2006
Kathryn Hansen
Canada's Diamonds Face Old Age Geologists are uncovering the unique origins of Canadian diamonds, and finding not only that they are surprisingly old, but also that they have implications for the timing of Earth's early tectonic processes. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
December 4, 2013
James Urquhart
Diamonds' redox reaction origins revealed Subduction zones -- boundaries between tectonic plates where the Earth's crust sinks into the hot mantle -- could be breeding grounds for diamond formation, according to Russian researchers. mark for My Articles similar articles
Geotimes
September 2007
Nicole Branan
Understanding the Crust Beneath Iran The most recent continent-continent collision on Earth began about 10 to 20 million years ago when the Arabian Plate slammed into Eurasia in what is modern-day Iran. An international team of researchers has brought to light an important piece of this ancient history. mark for My Articles similar articles
Geotimes
August 2006
Kathryn Hansen
Unlocking Jade's Secrets Although recent expeditions to Guatemala turned up jade's geologic source -- deep inside a fault -- only now have scientists begun to unlock the clues inside the stone that provide a rare look at conditions deep inside Earth. mark for My Articles similar articles
Chemistry World
February 13, 2014
Simon Poulton
The Earth as a cradle for life This enjoyable book by Stacey and Hodgkinson takes a long-term view of Earth's development as a habitable planet, incorporating physical, chemical and biological processes on the early Earth, to the modern world. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Geotimes
November 2006
Carolyn Gramling
Airing Out an Early Atmosphere Scientists have generally thought that oxygen was scarce in Earth's atmosphere until about 2.4 billion years ago. Now a study based on new evidence suggests that oxygen may actually have been around longer than previously thought. mark for My Articles similar articles
Chemistry World
May 11, 2006
Jon Evans
Sea Water Assumes the Xenon Mantle Geochemists have uncovered evidence that sea water incorporates noble gases into the Earth's mantle, overturning current theories of how noble gases are transported beneath the crust. mark for My Articles similar articles
Popular Mechanics
February 15, 2009
Karen Rowan
Predicting Earthquakes: Scientists Use Satellites and Drills to Follow a Force of Nature The awesome energy unleashed by earthquakes is something geologists still struggle to understand. To gather information on how the Earth moves, scientists use drills and GPS satellites. mark for My Articles similar articles
Geotimes
June 2007
Hansen & Gramling
Are Volcanoes Picky Eaters? New measurements of the concentrations of elements within magma suggest a volcano's food may be a complex recipe -- and that what kind of magma a volcano prefers may affect its physical features, including the size to which it can grow, according to new research mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
HHMI Bulletin
Winter 2013
Nicole Kresge
The Past, Present, and Future Earth What does the 4.6 billion year history of Earth tell us about our modern planet? About 150 Washington, D.C., area high school students and 15 teachers from around the United States learned the answers to these questions at the 2012 HHMI Holiday Lectures on Science. mark for My Articles similar articles
Geotimes
January 2004
Megan Sever
Climate aids mountain building Two geoscientists now hypothesize that the link between climate and mountain building in the Andes is a two-way street. mark for My Articles similar articles
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. mark for My Articles similar articles
Geotimes
May 2003
Lisa M. Pinsker
Molten martian core The more researchers study Mars, the more similarities they seem to find between the Red Planet and Earth. The latest parallels come from the planet's enigmatic interior. mark for My Articles similar articles
Geotimes
March 2005
Sara Pratt
Quake Uplifted Japan A large 17th-century earthquake comparable in size to the Dec. 26 Sumatra quake was responsible for pushing up land in Japan, according to new research based on the sediment record of a large tsunami. mark for My Articles similar articles
Chemistry World
October 20, 2015
Emma Stoye
Ancient graphite may push start of life back by 300 million years Life on earth may have begun millions of years earlier than previously thought, claim researchers who have measured the carbon isotopes of graphite preserved in a 4.1 billion-year-old mineral. mark for My Articles similar articles
Geotimes
April 2006
Kathryn Hansen
Deep Sediments, Strong Quakes The surprising strength of the earthquake that triggered the 2004 Sumatran tsunami urged seismologists to discover triggers that lead up to these events. New models show responsibility may rest on sediments than can collect kilometers deep at the junctions of tectonic plates. mark for My Articles similar articles
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. mark for My Articles similar articles
Geotimes
June 2006
Megan Sever
Plate Shifts in the Pacific Northwest The far northern section of the Sumatra-style subduction zone in the Pacific Northwest could be transforming into more of a San Andreas-style seismic zone, according to new research. This geologic reorganization could have implications for the region's earthquake risk. mark for My Articles similar articles
Geotimes
November 2005
Naomi Lubick
Shift in Chile's Seismic History New research documenting tsunami deposits in the Nazca plate region is resetting the seismic clock. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Geotimes
March 2004
New language for geologic time The Stratigraphy Commission of the Geological Society of London (GSL) is calling for a drastic and controversial overhaul of the Stratigraphic Guide, the internationally agreed upon standards for the field of stratigraphy. mark for My Articles similar articles
Geotimes
January 2004
Cynthia Martinez
Earth Science Week in the Limelight The sixth annual Earth Science Week, held Oct. 12-18, promoted understanding and appreciation of the value of earth science research and its applications and relevance to our daily lives. mark for My Articles similar articles
Geotimes
May 2007
Carolyn Gramling
Slow Earthquakes, Tiny Tremors Small earthquakes and tiny tremors originating deep in fault zones are the result of slow earthquakes at Earth's surface, according to a new study. mark for My Articles similar articles
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. mark for My Articles similar articles
Geotimes
November 2005
Naomi Lubick
Large Quake, Small Tsunami for Japan A large earthquake several hundred kilometers offshore Japan triggered a tsunami warning and a subsequent small tsunami. Three or four large events have occurred on this subduction fault over the past several centuries, as the Pacific plate slowly presses westward under Japan. mark for My Articles similar articles
Geotimes
March 2005
Laura Stafford
Sumatra Seismic Risk Recent research indicates that Indonesia, as well as other regions like the Caribbean, could experience more earthquake and tsunami activity in the near future. mark for My Articles similar articles