News tagged with sandstone cliffs
Obama signs wide-ranging conservation law
Mar 30, 2009 |
4.6 / 5 (40) |
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President Barack Obama signed legislation on Monday expanding and protecting US public parks and wilderness areas from oil and gas development, billed as the largest US conservation measure in more than 15 ...
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Opportunity Rover Sees Variable Environmental History at Martian Victoria Crater
Space & Earth / Space Exploration
May 21, 2009 |
4.8 / 5 (13) |
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(PhysOrg.com) -- One of NASA's two Mars rovers has recorded a compelling saga of environmental changes that occurred over billions of years at a Martian crater.
'A dinosaur dance floor': Numerous tracks at Jurassic oasis on Arizona-Utah border
Space & Earth / Earth Sciences
Oct 20, 2008 |
4.8 / 5 (28) |
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(PhysOrg.com) -- University of Utah geologists identified an amazing concentration of dinosaur footprints that they call "a dinosaur dance floor," located in a wilderness on the Arizona-Utah border where there ...
Jordan's fossil water source has high radiation levels
Feb 24, 2009 |
4.4 / 5 (8) |
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Ancient groundwater being tapped by Jordan, one of the 10 most water-deprived nations in the world, has been found to contain twenty times the radiation considered safe for drinking water in a new study by an international ...
The adherence mechanism of red algae to the rocks is discovered
Aug 03, 2009 |
4 / 5 (1) |
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Geologists of the University of Granada, Spain, have described for the first time ever the biological mechanism that explains how calcareous red algae grow on rocky substrates.
Ancient toothed whale remains found near Santa Cruz
Other Sciences / Archaeology & Fossils
Aug 13, 2009 |
4 / 5 (4) |
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A 1,000-pound slab of sandstone lifted off a beach in Santa Cruz County, Calif., Wednesday may provide a better glimpse of what plied the seas 5 million years ago.
Evidence of the 'Lost World' -- did dinosaurs survive the end Cretaceous extinctions?
Other Sciences / Archaeology & Fossils
Apr 28, 2009 |
4.5 / 5 (14) |
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The Lost World, Sir Arthur Conan Doyle's account of an isolated community of dinosaurs that survived the catastrophic extinction event 65 million years ago, has no less appeal now than it did when it was written a century ...
Giant Skull of 12m Pliosaur 'Sea Monster' Unearthed in England
Other Sciences / Archaeology & Fossils
Oct 27, 2009 |
4.7 / 5 (12) |
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The fossilised skull of a pliosaur, the largest marine reptile that ever lived, has been discovered along the Jurassic Coast World Heritage Site.
Paleontologists Doubt 'Dinosaur Dance Floor'
Other Sciences / Archaeology & Fossils
Nov 07, 2008 |
3.8 / 5 (10) |
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(PhysOrg.com) -- A group of paleontologists visited the northern Arizona wilderness site nicknamed a "dinosaur dance floor" and concluded there were no dinosaur tracks there, only a dense collection of unusual p ...
Uranium isotope ratios are not invariant, researchers show
Space & Earth / Earth Sciences
Oct 23, 2007 |
4.3 / 5 (15) |
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For years, the ratio of uranium’s two long-lived isotopes, U-235 and U-238, has been considered invariant, despite measurements made in the mid-1970s that hinted otherwise. Now, with improved precision from state-of-the-art ...
Dinosaur tracks attract a crowd
Other Sciences / Archaeology & Fossils
Jan 15, 2008 |
3 / 5 (4) |
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More than 100 people gathered in Kane County, Utah, to see fossilized footprints pressed into the sandstone by dinosaurs 185 million years ago.
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