News tagged with mantle roots
Water in Earth's mantle key to survival of oldest continents
Earth today is one of the most active planets in the Solar System, and was probably even more so during the early stages of its life. Thanks to the plate tectonics that continue to shape our planet's surface, ...
Space & Earth / Earth Sciences
Sep 02, 2010 |
4.8 / 5 (6) |
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Search results for mantle roots
Chocolate and diamonds: Why volcanoes could be a girl's best friend
Scientists from the University of Southampton have discovered a previously unrecognised volcanic process, similar to one that is used in chocolate manufacturing, which gives important new insights into the ...
Space & Earth / Earth Sciences
May 16, 2012 |
4.4 / 5 (7) |
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First Mars Express gravity results plot volcanic history
(Phys.org) -- Five years of Mars Express gravity mapping data are providing unique insights into what lies beneath the Red Planets largest volcanoes. The results show that the lava grew denser over time ...
Space & Earth / Space Exploration
Apr 26, 2012 |
5 / 5 (1) |
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Copper chains: Study reveals Earth's deep-seated hold on copper
Earth is clingy when it comes to copper. A new Rice University study this week in the journal Science finds that nature conspires at scales both large and small -- from the realms of tectonic plates down t ...
Space & Earth / Earth Sciences
Apr 05, 2012 |
4 / 5 (3) |
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Cosmic voyager has a layover in St. Louis
Last January two amateur meteorite hunters dropped by Randy Korotev's office at Washington University in St. Louis to show him their latest purchase, a 17-kilogram pallasite meteorite found in 2006 near Conception ...
Space & Earth / Space Exploration
Nov 10, 2011 |
5 / 5 (2) |
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Diamonds pinpoint start of colliding continents
Jewelers abhor diamond impurities, but they are a bonanza for scientists. Safely encased in the super-hard diamond, impurities are unaltered, ancient minerals that can tell the story of Earth's distant past. ...
Space & Earth / Earth Sciences
Jul 21, 2011 |
4.6 / 5 (5) |
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North American continent is a layer cake, scientists discover
(PhysOrg.com) -- The North American continent is not one thick, rigid slab, but a layer cake of ancient, 3 billion-year-old rock on top of much newer material probably less than 1 billion years old, according ...
Space & Earth / Earth Sciences
Aug 25, 2010 |
4.7 / 5 (7) |
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Hawaiian hot spot has deep roots
(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart ...
Space & Earth / Earth Sciences
Dec 03, 2009 |
4.9 / 5 (11) |
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Simulations, ancient magnetism suggest mantle plumes may bend deep beneath Earth's crust
Computer simulations, paleomagnetism and plate motion histories described in today's issue of Science reveal how hotspots, centers of erupting magma that sit atop columns of hot mantle that were once though ...
Space & Earth / Earth Sciences
Apr 02, 2009 |
4.3 / 5 (12) |
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Mountain ranges rise much more rapidly than geologists expected
Mountains may experience a "growth spurt" that can double their heights in as little as two to four million years—several times faster than the prevailing tectonic theory suggests.
Space & Earth / Earth Sciences
Jun 05, 2008 |
4.5 / 5 (13) |
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You are what you eat? Maybe not for ancient man
New findings suggest that the ancient human “cousin” known as the “Nutcracker Man” wasn’t regularly eating anything like nuts after all.
Biology /
Apr 30, 2008 |
4.5 / 5 (13) |
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