Vitrophyre

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Revision as of 20:22, 4 April 2007 by Jarogers2001 (Talk | contribs) (New page: '''Noun''' :A glassy rock. :A porphyritic igneous rock whose ground mass is glassy. '''From''' Vitrify or Vitrification Category:Petrology)

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Noun

A glassy rock.
A porphyritic igneous rock whose ground mass is glassy.

From Vitrify or Vitrification

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