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gravitationally separated rock comparison table

Subject	has definition	has composition	has solidification mechanism	has solidification timescale	has genesi
depleted basalt		depleted by gravitational separation	extrusion onto the surface of the planet or asteroid via a volcanic eruption	very rapid
fractional crystallized rock	a rock produced by differentiation in which part of the magma is crystallized and separated from further reaction with remaining liquid	silicates (with very few exceptions)			fractional crystallization

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