The world's largest Bakchar iron ore deposit is located in an ancient sea in West Siberia, Russia. Its proven reserves are over 28 billion tons. Scientists seek to explain the accumulation of such a huge amount of iron. Now, ...
Earth Sciences
Dec 28, 2018
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A new study is examining methane and other components in groundwater wells, in advance of drilling for shale gas that's expected over the next several years in an Ohio region. Amy Townsend-Small, a University of Cincinnati ...
Environment
Sep 25, 2013
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In ancient Earth history, the sun burned as much as 30 percent dimmer than it does now. Theoretically that should have encased the planet in ice, but there is geologic evidence for rivers and ocean sediments between 2 billion ...
Earth Sciences
Mar 28, 2012
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(Phys.org) -- University of California, Berkeley, scientists are drilling into ancient sediments at the bottom of Northern California's Clear Lake for clues that could help them better predict how today's plants and animals ...
Earth Sciences
May 3, 2012
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A study of food remains from ancient settlement sites along the lower Ica valley in Peru, confirms earlier suggestions that farming undermined the natural vegetation so badly that eventually much of the area had to be abandoned.
Earth Sciences
Aug 15, 2011
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(Phys.org)—Earth's most recent shift to a warm climate began with intense summer sun in the Northern Hemisphere, the first pressure on a seesaw that tossed powerful forces between the planet's poles until greenhouse gases ...
Earth Sciences
Feb 7, 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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When Woods Hole Oceanographic Institution (WHOI) marine paleoecologist Marco Coolen was mining through vast amounts of genetic data from the Black Sea sediment record, he was amazed about the variety of past plankton species ...
Earth Sciences
May 6, 2013
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Global temperatures directly affect the acidity of the ocean, which in turn changes the acoustical properties of sea water. New research suggests that global warming may give Earth's oceans the same hi-fi sound qualities ...
Earth Sciences
Oct 18, 2012
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The 5.4 million-square-mile Antarctic Ice Sheet is the greatest mass of fresh water on Earth. If it all were to melt, it would raise global sea levels some 220 feet. Searching for answers to how fast the ice might react to ...
Earth Sciences
Mar 25, 2019
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