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autolith |
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autolith [′ȯd·ō‚lith]
(petrology) A fragment of igneous rock enclosed in another igneous rock of later consolidation, each being regarded as a derivative from a common parent magma. A round, oval, or elongated accumulation of iron-magnesium minerals of uncertain origin in granitoid rock. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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