News tagged with oceanic crust
Oceans apart: New research suggests that ocean-crust formation is a dynamic process
Three-fifths of Earth’s crust lies underwater, spread out along the seafloor. More than four cubic miles of ocean crust forms each year, constantly regenerating like new skin across the globe. This ocean ...
Space & Earth / Earth Sciences
Apr 10, 2012 |
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Expedition to undersea mountain yields new information about sub-seafloor structure
Scientists recently concluded an expedition aboard the research vessel JOIDES Resolution to learn more about Atlantis Massif, an undersea mountain, or seamount, that formed in a very different way than the ...
Space & Earth / Earth Sciences
Mar 22, 2012 |
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A new theory on the formation of the oldest continents
German geologists from the Universities of Bonn and Cologne have demonstrated new scientific results in the April issue of the scholarly journal Geology, which provide a new theory on the earliest phase of continental format ...
Space & Earth / Earth Sciences
Mar 12, 2012 |
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Scientists look to microbes to unlock Earth's deep secrets
(PhysOrg.com) -- Of all the habitable parts of our planet, one ecosystem still remains largely unexplored and unknown to science: the igneous ocean crust.
Space & Earth / Earth Sciences
Jan 10, 2012 |
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Earth's largest environmental catastrophe 250 million years ago studied
The eruption of giant masses of magma in Siberia 250 million years ago led to the Permo-Triassic mass extinction when more than 90 % of all species became extinct. An international team including geodynamic ...
Space & Earth / Earth Sciences
Sep 14, 2011 |
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Researchers discover hydrogen-powered symbiotic bacteria in deep-sea hydrothermal vent mussels
The search for new energy sources to power mankind's increasing needs is currently a topic of immense interest. Hydrogen-powered fuel cells are considered one of the most promising clean energy alternatives. ...
Space & Earth / Earth Sciences
Aug 10, 2011 |
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Deep recycling in the Earth faster than thought
The recycling of the Earth's crust in volcanoes happens much faster than scientists have previously assumed. Rock of the oceanic crust, which sinks deep into the earth due to the movement of tectonic plates, ...
Space & Earth / Earth Sciences
Aug 10, 2011 |
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Diamonds pinpoint start of colliding continents
Jewelers abhor diamond impurities, but they are a bonanza for scientists. Safely encased in the super-hard diamond, impurities are unaltered, ancient minerals that can tell the story of Earth's distant past. ...
Space & Earth / Earth Sciences
Jul 21, 2011 |
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Mantle drilling initial feasibility study completed
The Integrated Ocean Drilling Program (IODP) has announced completion of a feasibility study of drilling and coring activities that would be conducted in an ultra-deepwater environment into very high temperature igneous rocks ...
Space & Earth / Earth Sciences
Jul 11, 2011 |
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Heavy metal meets hard rock: Battling through the ocean crust's hardest rocks
Integrated Ocean Drilling Program (IODP) Expedition 335 Superfast Spreading Rate Crust 4 recently completed operations in Ocean Drilling Program (ODP) Hole 1256D, a deep scientific borehole that extends more ...
Space & Earth / Earth Sciences
Jun 30, 2011 |
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The Atlantic 'resting' -- for now
Geophysicists have simulated when the continents around the Atlantic develop active continental margins with earthquakes and volcanoes. According to the model, ‘real’ fully active subduction zones ...
Space & Earth / Earth Sciences
May 23, 2011 |
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Life thrives in porous rock deep beneath the seafloor, scientists say
Researchers have found compelling evidence for an extensive biological community living in porous rock deep beneath the seafloor. The microbes in this hidden world appear to be an important source of dissolved ...
Space & Earth / Earth Sciences
Dec 07, 2010 |
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Busy microbial world discovered in deepest ocean crust ever explored
The first study to ever explore biological activity in the deepest layer of ocean crust has found bacteria with a remarkable range of capabilities, including eating hydrocarbons and natural gas, and "fixing" ...
Space & Earth / Earth Sciences
Nov 19, 2010 |
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Novel ocean-crust mechanism could affect world's carbon budget
The Earth is constantly manufacturing new crust, spewing molten magma up along undersea ridges at the boundaries of tectonic plates. The process is critical to the planet's metabolism, including the cycle ...
Space & Earth / Earth Sciences
Nov 15, 2010 |
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Subseafloor observatories installed to run dynamic experiments
Marine geologists have returned from two months at sea off British Columbia, Canada, where they installed two observatories in the ocean floor to run innovative experiments at the bottom of the sea.
Space & Earth / Earth Sciences
Sep 07, 2010 |
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