News tagged with sedimentary iron
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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Iron isotopes as a tool in oceanography
New research involving scientists from the National Oceanography Centre, Southampton (NOCS) highlights the potential utility of iron isotopes for addressing important questions in ocean science. The findings are published ...
Space & Earth / Earth Sciences
Jul 31, 2009 |
3.7 / 5 (3) |
1
Search results for sedimentary iron
Great Unconformity: Evidence for a geologic trigger of the Cambrian explosion
(Phys.org) -- The oceans teemed with life 600 million years ago, but the simple, soft-bodied creatures would have been hardly recognizable as the ancestors of nearly all animals on Earth today.
Space & Earth / Earth Sciences
Apr 18, 2012 |
4.8 / 5 (19) |
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Taking stock of subsurface microbial communities at Hanford
Taking a census provides valuable information about residents' ages, employment, makeup, living conditions, etc. Most censuses are taken door to door or by mail. But if the community lives in areas that are ...
Mar 13, 2012 |
4.5 / 5 (2) |
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Ocean iron affects biological productivity: study
(PhysOrg.com) -- A team of researchers has just published a new paper, lead authored by Boston University Professor of Earth Sciences Richard W. Murray, that provides compelling evidence from marine sediment ...
Space & Earth / Earth Sciences
Mar 13, 2012 |
4.8 / 5 (4) |
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New bug eats sulfates, makes two kinds of magnet
(PhysOrg.com) -- A bacterium recently discovered near Death Valley has some very unusual properties according to a report published in the December 23 issue of Science magazine. While some ‘bugs’ are li ...
Dec 23, 2011 |
4.8 / 5 (8) |
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Opportunity rover finds mineral vein deposited by water
(PhysOrg.com) -- NASA's Mars Exploration Rover Opportunity has found bright veins of a mineral, apparently gypsum, deposited by water. Analysis of the vein will help improve understanding of the history of ...
Space & Earth / Space Exploration
Dec 08, 2011 |
4.5 / 5 (12) |
5
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Cosmic voyager has a layover in St. Louis
Last January two amateur meteorite hunters dropped by Randy Korotev's office at Washington University in St. Louis to show him their latest purchase, a 17-kilogram pallasite meteorite found in 2006 near Conception ...
Space & Earth / Space Exploration
Nov 10, 2011 |
5 / 5 (2) |
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Mars rover Opportunity on verge of new discovery
(PhysOrg.com) -- Shortly after Labor Day 2011, the Mars rover Opportunity was poised on the rim of the 22,000 meter-wide Endeavour Crater, preparing to sample a novel rock type. Much older than the sedimentary ...
Space & Earth / Space Exploration
Sep 14, 2011 |
4.8 / 5 (8) |
1
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Breathing new life into Earth: New research shows evidence of early oxygen on our planet
Today, oxygen takes up a hefty portion of Earth's atmosphere: Life-sustaining O2 molecules make up 21 percent of the air we breathe. However, very early in Earth's history, O2 was a rare — if not complet ...
Space & Earth / Earth Sciences
Aug 16, 2011 |
4.9 / 5 (7) |
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Dark beer has more iron than pale beer
A team of researchers from the University of Valladolid (Spain) has analysed 40 brands of beer, discovering that dark beer has more free iron than pale and non-alcoholic beers. Iron is essential to the human ...
Aug 11, 2011 |
3 / 5 (1) |
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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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List of search results for sedimentary iron
