News tagged with neoproterozoic period
Explosive growth of life on Earth fueled by early greening of planet
Earth's 4.5-billion-year history is filled with several turning points when temperatures changed dramatically, asteroids bombarded the planet and life forms came and disappeared. But one of the biggest moments ...
Space & Earth / Earth Sciences
Jul 08, 2009 |
4.7 / 5 (10) |
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Search results for neoproterozoic period
Rock sleuths: Researchers seek clues to atmospheric changes ahead of animal life
For more than a decade, scientists have dismissed claims that examining carbon-rich rocks could yield clues to the atmospheric and oceanic conditions on Earth hundreds of millions of years ago, but now researchers ...
Space & Earth / Earth Sciences
Mar 20, 2012 |
5 / 5 (1) |
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The oldest evidence of bioturbation on Earth
The Ediacaran Period, an interval in Earth's history after the Snowball Earth glaciations but before the Cambrian radiations, marks the introduction of complex macroscopic organisms synchronously in unrelated groups. It has ...
Space & Earth / Earth Sciences
Mar 20, 2012 |
5 / 5 (2) |
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What really happened prior to 'Snowball Earth'?
In a study published in the journal Geology, scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science suggest that the large changes in the carbon isotopic composition of car ...
Space & Earth / Earth Sciences
Jan 27, 2012 |
4.2 / 5 (9) |
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Fossils from the Yukon reveal protective plates for microscopic organisms
(PhysOrg.com) -- In summer 2007, two geologists armed with rock hammers and a shotgun hiked through the Yukon, looking for fossils. For two weeks, Phoebe Cohen, a postdoc in MIT’s Department of Earth, ...
Other Sciences / Archaeology & Fossils
Jun 07, 2011 |
5 / 5 (2) |
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New evidence supports 'Snowball Earth' as trigger for early animal evolution
A team of scientists, led by biogeochemists at the University of California, Riverside, has found new evidence linking "Snowball Earth" glacial events to the rise of early animals.
Space & Earth / Earth Sciences
Oct 27, 2010 |
4.3 / 5 (19) |
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Delineating primary and secondary organic carbon in neoproterozoic glacial sediments
How do we begin to understand what early life was like on Earth about 700 million years ago as our planet shifted from an oxygen-free and probably ice-covered realm to the oxygen-rich world that we know today?
Space & Earth / Earth Sciences
Jun 16, 2010 |
4.5 / 5 (2) |
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Global glaciation snowballed into giant change in carbon cycle
For insight into what can happen when the Earth's carbon cycle is altered -- a cause and consequence of climate change -- scientists can look to an event that occurred some 720 million years ago.
Space & Earth / Earth Sciences
May 01, 2010 |
3.8 / 5 (21) |
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A new fossil species found in Spain
In the '80s, Spanish researchers found the first fossils of Cloudina in Spain, a small fossil of tubular appearance and one of the first animals that developed an external skeleton between 550 and 543 millio ...
Other Sciences / Archaeology & Fossils
Mar 25, 2010 |
4.2 / 5 (6) |
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Microfossils challenge prevailing views of the effects of 'Snowball Earth' glaciations on life
New fossil findings discovered by scientists at UC Santa Barbara challenge prevailing views about the effects of "Snowball Earth" glaciations on life, according to an article in the June issue of the journal ...
Space & Earth / Earth Sciences
May 26, 2009 |
3.9 / 5 (16) |
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Study heats up 'snowball Earth' debate
Research by University Professor Richard Peltier of physics reveals that the Earth’s surface 700 million years ago may have been warmer than previously thought.
Space & Earth / Earth Sciences
Apr 01, 2008 |
4.1 / 5 (15) |
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List of search results for neoproterozoic period
