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by wickedwillie on January 9th, 2005

wickedwillie

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What is "shoshonite"?

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  • by Glenn Blaylock on January 10th, 2005

    Glenn Blaylock

    Shoshonite: A trachyandesite composed of olivine and augite phenocrysts in a groundmass of labradorite with alkali feldspar rims, olivine, augite, a small amount of leucite, and some dark-colored glass. Its name is derived from the Shoshone River, Wyoming and given by Iddings in 1895. (http://volcano.und.nodak.edu/vwdocs/glossary.html)

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ANSWERBAG BUZZ

Shoshonitic lava
Shoshonite origin of name
Shochonite
Or shoshonite
Shomshonitos

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