pyroxene group public domain. pyroxene is found in extrusive igneous rocks. dacite usgs basalt usgs...

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Pyroxene group p u b l i c d o m a i n

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Page 1: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

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Page 3: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

Pyroxene is found in intrusive igneous rocks.dioritegranodiorite

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Page 4: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

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The volcanoes in Hawaiian, Iceland, and at the mid ocean ridges are releasing basalt.

Pyroxenes are the dark minerals in basalt (lava)

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Page 5: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

Crystals of pyroxene occur in volcanic glass, such as scoria and Pele’s hair.

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Page 6: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

Pyroxene is found in metamorphic rocks.

gneiss

granulite

eclogite (green, with garnet)

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Page 7: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

Pyroxenes are an important component of many

decorative building stones, where their dark green to

black colors contribute to the stones’ decorative pattern.

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Page 8: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

Spodumene, a pyroxene, is an important mined source of lithium, used

in heat-resistant ceramics, mood stabilizing medication, and batteries.

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Page 9: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

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Jade is made of amphibole or pyroxene, and prized in Chinese,

Maori and Aztec cultures.

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Page 10: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

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Nephrite (an amphibole) and jadeite (a pyroxene) are nearly indistinguishable.

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Page 11: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

Pyroxenegroup

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Page 12: Pyroxene group public domain. Pyroxene is found in extrusive igneous rocks. dacite USGS basalt USGS andesite

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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GNU GNU Free Documentation License

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