File:Fractional crystallization.svg

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Summary

Schematic diagrams showing the principles behind fractional crystallisation in a magma. While cooling, the magma evolves in composition because different minerals crystallize from the melt. 1: olivine crystallizes; 2: olivine and pyroxene crystallize; 3: pyroxene and plagioclase crystallize; 4: plagioclase crystallizes. At the bottom of the magma reservoir, a cumulate rock forms.

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Date/TimeThumbnailDimensionsUserComment
current08:36, 13 January 2017Thumbnail for version as of 08:36, 13 January 2017750 × 320 (99 KB)127.0.0.1 (talk)Schematic diagrams showing the principles behind fractional crystallisation in a magma. While cooling, the magma evolves in composition because different minerals crystallize from the melt. <b>1</b>: olivine crystallizes; <b>2</b>: olivine and pyroxene crystallize; <b>3</b>: pyroxene and plagioclase crystallize; <b>4</b>: plagioclase crystallizes. At the bottom of the magma reservoir, a cumulate rock forms.
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