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rock > igneous rock > hyperleucocratic rock

hyperleucocratic rock
subject			fact

hyperleucocratic rock	is a kind of igneous rock
	has definition very light colored rock with color index of 10 or less
	has shade very light
	has color index 10 or less
igneous rock	has composition silicates (with very few exceptions)
	has solidification mechanism
	has solidification timescale
rock	has part mineral
	has texture
	has genesis

Kinds of hyperleucocratic rock :

• aplite (5 facts) - a very light colored, medium to fine grained, allotriomorphic-granular, quartz-alkali feldspar