Post on 19-Jan-2016
transcript
Olivinegroup
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Olivine minerals are in igneous
rocks.
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peridotite
basalt
gabbro
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During metamorphism,
olivine is altered to serpentine
(amphibole).
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Olivine is common in meteorites.
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Olivine was brought back to Earth from Comet Wild by NASA’s Stardust mission.
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Olivine is the gemstone peridot (pronounced pair-a-doe). It has
been a human favorite for centuries, and is often used as a
birthstone for August.
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Olivine minerals are used in industry as abrasives.
Olivine is used in steel manufacturing.
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Olivine is the green in green sand beaches.
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Olivine minerals tend to break down (weather) very easily at the
Earth’s surface.
The iron and magnesium released by this weathering process helps
to make volcanic soils very fertile. by-
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Volcanic soils are very fertile
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Olivinegroup
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media rights
Many of the photos in this presentation were obtained through Flickr and Wikipedia.
Funded by FIPSE and by the University of Minnesota. Compiled for Dr. Kent Kirkby, Department of Geology and Geophysics, by Kate Rosok, 2007. Each displayed image
retains its original media rights. For educational purposes only; not to be used commercially.
public domain (none)
© Copyright. All rights reserved
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