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Latest Peridotite Stories

Earth’s Magma Mantle Melts Hotter Than Previously Thought
2013-01-10 10:10:41

April Flowers for redOrbit.com - Your Universe Online According to a new study by researchers at Rice University, the Earth's mantle magma melts far hotter and deeper in the Earth's core than previously thought, a discovery that will have lasting implications for our understanding of the planet's geophysical and geochemical properties. The research team, led by Rajdeep Dasgupta, put small amounts of peridotite under large pressures in a laboratory to determine that rock can and does...

2011-08-11 12:54:00

MONTREAL, Aug. 11, 2011 /PRNewswire/ - St-Georges Platinum and Base Metals Ltd. (CNSX: SX) (BSE: 85G) is pleased to announce that its planned Phase II drilling campaign on the Villebon Property is currently underway. The Corporation's plan is to complete up to 2,100 meters of drilling with the objective of validating the historical results from past work on the South and North Zones of Villebon and at Cooper Lake. In addition, some holes will be drilled to verify extensions laterally...

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2011-07-22 12:04:00

Ancient minerals tell story of planet's distant past Jewelers abhor diamond impurities, but they are a bonanza for scientists. Safely encased in super-hard diamond, impurities are unaltered, ancient minerals that tell the story of Earth's distant past. Researchers analyzed data from more than 4,000 of these mineral inclusions to find that continents started the cycle of breaking apart, drifting, and colliding about three billion years ago. The research results, published in this week's issue...

2011-07-22 01:24:22

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. Researchers analyzed data from the literature of over 4,000 of these mineral inclusions to find that continents started the cycle of breaking apart, drifting, and colliding about 3 billion years ago. The research, published in the July 22, 2011, issue of Science, pinpoints when this...

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2011-03-24 11:00:49

Researchers are hoping to attempt to drill into the Earth's mantle layer off the coast of Costa Rica in hopes of finding pristine samples of the earth's inner boundary, BBC News reports. With initial bore holes to reach 1.2 miles under the seabed to test equipment and techniques, the ultimate goal is to reach even further to retrieve deeper samples. It is estimated that at the chosen location, a drill must be able to reach almost 4 miles under the sea floor to reach the upper mantle....

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2010-09-03 14:03:42

Earth today is one of the most active planets in the Solar System, and was probably even more so during the early stages of its life. Thanks to the plate tectonics that continue to shape our planet's surface, remnants of crust from Earth's formative years are rare, but not impossible to find. A paper published in Nature Sept. 2 examines how some ancient rocks have resisted being recycled into Earth's convecting interior. Throughout the world there exist regions of ancient crust, referred to...

2010-09-01 13:56:00

HOUSTON, Sept. 1 /PRNewswire-USNewswire/ -- Why do we still find rocks from the Archean, one of the earliest geological eons on Earth dating from about 3.8 to 2.5 billion years ago? This is an apt question as our planet is one of the most dynamic in the solar system. Earth's crust has been constantly destroyed and created throughout its 4.5-billion-year history. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO)...

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2009-03-07 08:28:27

6,000 Square Miles in U.S. Might Turn Emissions to Harmless Solids To slow global warming, scientists are exploring ways to pull carbon dioxide from the air and safely lock it away. Trees already do this naturally through photosynthesis; now, in a new report, geologists have mapped large rock formations in the United States that can also absorb CO2, which they say might be artificially harnessed to do the task at a vastly increased pace. The report, by scientists at Columbia University's...

2008-11-10 18:00:15

Noront Resources Ltd. ("Noront")(TSX VENTURE: NOT) wishes to report the following results from its exploration activities in the Ring of Fire portion of the McFaulds Lake area of northern Ontario in the James Bay Lowlands. Noront in its Eagle One Extension Program has been diamond-drill testing the peridotite north-south striking dike or conduit between the Eagle One deposit and the AT1 anomaly, some 800 meters to the south, since earlier this summer. The most recently completed hole in...

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2008-11-06 12:26:16

Proposed method would speed natural reactions a million times Scientists say that a type of rock found at or near the surface in the Mideast nation of Oman and other areas around the world could be harnessed to soak up huge quantities of globe-warming carbon dioxide. Their studies show that the rock, known as peridotite, reacts naturally at surprisingly high rates with CO2 to form solid minerals"”and that the process could be speeded a million times or more with simple drilling and...


Latest Peridotite Reference Libraries

28_3e212d466bb2eed94dd87a3a621c531d
2005-05-25 19:19:16

Peridotite is a dense, coarse grained ultrabasic rock, consisting mainly of the minerals olivine and pyroxene. Peridotite is also a group of mantle derived igneous rocks. They all are ultramafic or ultrabasic meaning they contain less than 45% silica and are high in iron and magnesium. Members of the peridotite family include: Dunite - predominately composed of olivine, with minor enstatite pyroxene and chromite. Harzburgite - composed of olivine, enstatite, and minor chromite....

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Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'