Modeling sulfur in the Archean atmosphere
A new study has revealed details about the composition of Earth's atmosphere during the Archean eon, which lasted from around 4 billion years ago to 2.4 billion years ago.
A new study has revealed details about the composition of Earth's atmosphere during the Archean eon, which lasted from around 4 billion years ago to 2.4 billion years ago.
Earth Sciences
Sep 3, 2014
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(Phys.org) —It looks like just another rock, but what Jesse Reimink holds in his hands is a four-billion-year-old chunk of an ancient protocontinent that holds clues about how the Earth's first continents formed.
Earth Sciences
May 29, 2014
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(Phys.org) —A lot can happen to a rock over the course of two and a half billion years. It can get buried and heated; fluids remove some of its minerals and precipitate others; its chemistry changes. So if you want to use ...
Earth Sciences
Apr 11, 2014
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Scientists have found evidence that there was once an ancient lake on Mars that may have been able to support life, in research published today in the journal Science.
Space Exploration
Dec 9, 2013
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(Phys.org) —A team of researchers from the U.K. and the Netherlands has found evidence of carbonation in a meteorite that was found in the U.S. back in 1931—prior research has proven that the meteorite is actually a rock ...
(Phys.org) —Researchers from the University of Tübingen have been able to show for the first time how microorganisms contributed to the formation of the world's biggest iron ore deposits. The biggest known deposits – ...
Earth Sciences
Apr 25, 2013
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A research team of biogeochemists at the University of California, Riverside has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere, arguably the most important biological ...
Earth Sciences
Apr 24, 2013
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(Phys.org) —An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.
Space Exploration
Mar 12, 2013
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A new model suggests that inhospitable hydrodgen-sulphide rich waters could have delayed the spread of complex life forms in ancient oceans.
Earth Sciences
Feb 28, 2013
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The Curiosity rover hit the science "jackpot" and has discovered widespread further evidence of multiple episodes of liquid water flowing over ancient Mars billions of years ago when the planet was warmer and wetter, scientists ...
Space Exploration
Jan 21, 2013
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