spinifex texture

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spinifex texture An array of crisscrossing sheafs of subparallel, blade- or plate-like, skeletal, magnesium-rich olivine or aluminous pyroxene, between which is found a finer-grained aggregate of devitrified glass, skeletal pyroxene, and skeletal chromite. The texture is usually found as the product of extreme undercooling of magnesium-rich komatiite lava.

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