News tagged with sedimentary rock
Solution to ancient rock puzzle posited
A superplume, or massive episode of volcanic eruptions that related to extensive melting of the Earth's mantle, could explain the puzzling reappearance of major iron formations long after the rise in atmospheric ...
Space & Earth / Earth Sciences
Apr 27, 2012 |
5 / 5 (2) |
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China faces hurdles to developing shale gas
Energy-hungry China is tapping its vast shale gas reserves to reduce its reliance on dirty coal and imports, but experts warn its lack of technical expertise and scarce water supplies pose challenges.
Nov 09, 2011 |
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Poisonous oceans delayed animal evolution
Animals require oxygen, but oxygenated environments were rare on early Earth. New research from University of Southern Denmark shows that poisonous sulfide existed in the oceans 750 million years ago making ...
Space & Earth / Earth Sciences
Oct 24, 2011 |
not rated yet |
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New evidence found for the oldest oxygen-breathing life on land
New University of Alberta research shows the first evidence that oxygen-breathing bacteria occupied and thrived on land 100 million years earlier than previously thought.
Space & Earth / Earth Sciences
Oct 19, 2011 |
4.6 / 5 (7) |
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Opportunity begins study of martian crater, new samples 'unlike any seen before'
(PhysOrg.com) -- The initial work of NASA's Mars rover Opportunity at its new location on Mars shows surface compositional differences from anything the robot has studied in its first 7.5 years of exploration.
Space & Earth / Space Exploration
Sep 02, 2011 |
4.7 / 5 (13) |
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Earth's oldest fossils boost hopes for life on Mars
(PhysOrg.com) -- Microfossils found in Australia show that more than 3.4 billion years ago, bacteria thrived on an Earth that had no oxygen, a finding that boosts hopes life has existed on Mars, a study published ...
Space & Earth / Earth Sciences
Aug 21, 2011 |
4.9 / 5 (17) |
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Greater tsunami threat identified
The shape of the seabed where the 2004 Sumatra earthquake struck may indicate that the strength of the underlying rocks added to the size of the resulting tsunami, according to new research.
Space & Earth / Earth Sciences
Jun 21, 2011 |
3.5 / 5 (2) |
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Young graphite, old rocks: looking for evidence of earliest life
(PhysOrg.com) -- Scientists have long debated about the origin of carbon in Earth’s oldest sedimentary rocks and how it might signal the remnants of the earliest forms of life on the planet. New research ...
Space & Earth / Earth Sciences
May 17, 2011 |
4 / 5 (4) |
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Oldest fossils ever found may not be fossils after all
(PhysOrg.com) -- A rock formation in Western Australia was the site of great excitement a couple of decades ago when it revealed evidence of the oldest fossils of bacteria ever found, but a new study casts ...
Space & Earth / Earth Sciences
Feb 21, 2011 |
4.7 / 5 (22) |
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Test shows dinosaurs survived mass extinction by 700,000 years
University of Alberta researchers determined that a fossilized dinosaur bone found in New Mexico confounds the long established paradigm that the age of dinosaurs ended between 65.5 and 66 million years ago.
Other Sciences / Archaeology & Fossils
Jan 27, 2011 |
4.3 / 5 (16) |
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Clues included in diamonds
A study of Brazilian diamonds by Earth scientists from the University of Bristol has found that tiny inclusions in the diamonds contain traces of oceanic crust and sedimentary rocks, formed originally on the ...
Space & Earth / Earth Sciences
Oct 07, 2010 |
5 / 5 (4) |
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A new view of fossils: The behavior of ancient life forms
A new book by researchers at Oregon State University uses the snapshot-in-time miracle of amber to offer a pioneering viewpoint on all types of animal and plant fossils - not just what ancient life forms looked ...
Jun 15, 2010 |
4.8 / 5 (4) |
2
New study finds link between marine algae and whale diversity over time
A new paper by researchers at George Mason University and the University of Otago in New Zealand shows a strong link between the diversity of organisms at the bottom of the food chain and the diversity of mammals at the top.
Feb 19, 2010 |
4.5 / 5 (2) |
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Scientists target East Coast rocks for CO2 storage
Scientists say buried volcanic rocks along the heavily populated coasts of New York, New Jersey and New England, as well as further south, might be ideal reservoirs to lock away carbon dioxide emitted by power ...
Space & Earth / Earth Sciences
Jan 04, 2010 |
2.3 / 5 (9) |
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The adherence mechanism of red algae to the rocks is discovered
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.
Aug 03, 2009 |
4 / 5 (2) |
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