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Latest Eclogite Stories

6f98c655038c55891c1e74e67e388514
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...

2009-07-28 10:19:20

A new analysis of jade found along the Motagua fault that bisects Guatemala is underscoring the fact that this region has a more complex geologic history than previously thought. Because jade and other associated metamorphic rocks are found on both sides of the fault, and because the jade to the north is younger by about 60 million years, a team of geologists posits in a new research paper that the North American and Caribbean plates have done more than simply slide past each other: they have...


Latest Eclogite 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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