News tagged with clay sediments
Jurassic 'burn-down' events and organic matter richness in the Kimmeridge Clay Formation
The sediments of the Kimmeridge Clay Formation were deposited during the Late Jurassic between around 160 and 145 million years ago, the age of the reptiles. They are the main oil source rock in the North ...
Space & Earth / Earth Sciences
Jan 19, 2010 |
4.5 / 5 (4) |
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New coastland map could help strengthen sea defenses
The 'Coastland Map' produced by scientists from Durham University and published in the Journal GSA Today, charts the post Ice-Age tilt of the UK and Ireland and current relative sea-level changes. According to the map, t ...
Space & Earth / Earth Sciences
Oct 06, 2009 |
3 / 5 (2) |
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Search results for clay sediments
Bacteria alive (more or less) in 86-million-year-old seabed clay
(Phys.org) -- A new study by scientists from Denmark and Germany has found live bacteria trapped in red clay deposited on the ocean floor some 86 million years ago. The bacteria use miniscule amounts of oxygen ...
May 18, 2012 |
4.5 / 5 (15) |
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Mysterious 'monster' discovered by amateur paleontologist
(Phys.org) -- Around 450 million years ago, shallow seas covered the Cincinnati region and harbored one very large and now very mysterious organism. Despite its size, no one has ever found a fossil of this ...
Other Sciences / Archaeology & Fossils
Apr 24, 2012 |
4.6 / 5 (25) |
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New analysis of clay deposits in ancient Martian Lakes
Mars was once a much wetter world than it is now, with hot springs, rivers, lakes and perhaps even oceans. Just how wet exactly, and for how long, is still a subject of considerable debate. One vital clue ...
Space & Earth / Space Exploration
Mar 16, 2012 |
4.5 / 5 (2) |
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Iron is key to reversing global warming, Nature research shows
Canada defines itself as a nation that stretches from coast to coast to coast. But can we keep those coasts healthy in the face of climate change? Yves Gélinas, associate professor in Concordia's Department of Chemistry ...
Space & Earth / Earth Sciences
Mar 14, 2012 |
4.9 / 5 (11) |
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Under the microscope #13
Matthew Kuo tells us how tiny worm faecal pellets affect how oil pipelines sit on the seabed.
Mar 02, 2012 |
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New research points to erosional origin of linear dunes
Linear dunes, widespread on Earth and Saturn's moon, Titan, are generally considered to have been formed by deposits of windblown sand. It has been speculated for some time that some linear dunes may have ...
Space & Earth / Space Exploration
Feb 24, 2012 |
3 / 5 (1) |
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Not by asteroid alone: Rethinking the Cretaceous mass extinction
(PhysOrg.com) -- At the end of the Cretaceous period some 65 million years ago, an asteroid slammed into Mexico’s Yucatan Peninsula, causing severe but selective extinction. While that is widely accepted, ...
Space & Earth / Earth Sciences
Jan 19, 2012 |
3.9 / 5 (14) |
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77,000-year-old evidence for early 'bedding', use of medicinal plants at South African rock shelter
What were the daily lives of modern humans like more than 50,000 years ago?
Other Sciences / Archaeology & Fossils
Dec 08, 2011 |
5 / 5 (3) |
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NASA in high gear for Mars rover launch
The US space agency is poised to launch the most powerful and advanced robotic rover ever built to explore Mars and hunt for signs that life may once have existed on the red planet.
Space & Earth / Space Exploration
Nov 26, 2011 |
4.8 / 5 (6) |
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Researchers in the Amazon clear up doubts as to the benefits of ecotourism
Ecological tourism has no effect on the presence of large mammals in the Amazon, according to a study that for the first time compares the biological diversity of ecotourism zones with that of protected areas. ...
Nov 22, 2011 |
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List of search results for clay sediments
