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Science → Physical sciences → Earth sciences → Geology → Volcanology → Volcanology jargon
ANSWERS: 1
  • 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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