News tagged with ancient crust
Exposed rocks point to water on ancient Mars
A new discovery of hydrothermally altered carbonate-bearing rocks on Mars points toward habitable environments deep in the martian crust, a Planetary Science Institute researcher said.
Space & Earth / Space Exploration
Oct 14, 2010 |
4.9 / 5 (9) |
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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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Carbonate veins reveal chemistry of ancient seawater
The chemical composition of our oceans is not constant but has varied significantly over geological time. In a study published this week in Science, researchers describe a novel method for reconstructing past o ...
Space & Earth / Earth Sciences
Feb 05, 2010 |
3.7 / 5 (3) |
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Bias in the rock record?
(PhysOrg.com) -- The fossil record is known to be biased by the unevenness of geographical and stratigraphical sampling, and the lack of exposed rocks containing fossils. In a recent Perspective in Science [2 Jan ...
Space & Earth / Earth Sciences
Jan 14, 2009 |
4.1 / 5 (8) |
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Search results for ancient crust
Ancient rocks provide critical clues about modern earthquakes
At first glance, there's nothing remarkable about the rocky Maine blueberry field in which University of Maine graduate student Nancy Price does her research. But those rocks are crucial to our understanding ...
Space & Earth / Earth Sciences
May 24, 2012 |
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Top 10 new species list draws attention to diverse biosphere
The International Institute for Species Exploration at Arizona State University and a committee of scientists from around the world announced their picks for the top 10 new species described in 2011. This ...
May 23, 2012 |
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You're beautiful, Vesta
When UCLA's Christopher T. Russell looks at the images of the protoplanet Vesta produced by NASA's Dawn mission, he talks about beauty as much as he talks about science.
Space & Earth / Space Exploration
May 10, 2012 |
5 / 5 (4) |
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Signs of ancient flowing water on Mars
(Phys.org) -- ESA’s Mars Express has returned images of a region on the Red Planet that appears to have been sculpted in part by flowing liquid. This again adds to the growing evidence that Mars had large ...
Space & Earth / Space Exploration
May 07, 2012 |
4.8 / 5 (6) |
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Earth history and evolution
In classical mythology, the cypress tree is associated with death, the underworld and eternity. Indeed, the family to which cypresses belong, is an ancient lineage of conifers, and a new study of their evolution affords a ...
May 03, 2012 |
3.9 / 5 (7) |
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Scientists core into California's Clear Lake to explore past climate change
(Phys.org) -- University of California, Berkeley, scientists are drilling into ancient sediments at the bottom of Northern California's Clear Lake for clues that could help them better predict how today's ...
Space & Earth / Earth Sciences
May 03, 2012 |
5 / 5 (2) |
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Rapid Sierra Nevada uplift tracked by scientists
From the highest peak in the continental United States, Mt. Whitney at 14,000 feet in elevation, to the 10,000-foot-peaks near Lake Tahoe, scientific evidence from the University of Nevada, Reno shows the entire Sierra Nevada ...
Space & Earth / Earth Sciences
May 03, 2012 |
4.5 / 5 (4) |
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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 Planet’s 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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Great Unconformity: Evidence for a geologic trigger of the Cambrian explosion
(Phys.org) -- The oceans teemed with life 600 million years ago, but the simple, soft-bodied creatures would have been hardly recognizable as the ancestors of nearly all animals on Earth today.
Space & Earth / Earth Sciences
Apr 18, 2012 |
4.8 / 5 (19) |
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Impacts could be boon for subterranean life
An incoming asteroid is trouble whether you're a dinosaur or a Bruce Willis fan. But microbes living deep underground may actually welcome the news, according to a recent study of an ancient impact in the ...
Space & Earth / Space Exploration
Apr 16, 2012 |
4.8 / 5 (5) |
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List of search results for ancient crust
