Variation diagrams - PowerPoint PPT Presentation

Magmatic differentiation

Differentiation: crystallization of a magma Determine cogenetic relationships between magmas (lavas) Determine least fractionated, parental magma. Fractionation trends gives clues about P, T of magma chamber Differentiation processes: I: Closed system A. Crystal-melt fractionation

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FIELD RELATIONS AND PETROGENESIS OF AMPHIBOLITES FROM THE WEBSTER-ADDIE/WILLITS REGION, EASTERN NC BLUE RIDGE

FIELD RELATIONS AND PETROGENESIS OF AMPHIBOLITES FROM THE WEBSTER-ADDIE/WILLITS REGION, EASTERN NC BLUE RIDGE.

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145 views • 1 slides

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