Microtextures in a basaltic volcanic ash grain, showing broken crystal in an intact matrix and white suture lines where magma healed (IMAGE)

Geological Society of America

Microtextures in a basaltic volcanic ash grain, showing broken crystal in an intact matrix and white suture lines where magma healed

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Microtextures in a basaltic volcanic ash grain, showing broken crystal in an intact matrix and white suture lines where magma healed

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Photo Credit: Jacopo Taddeucci

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Photo Credit: Jacopo Taddeucci

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