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meteorite characteristic > stone meteorite characteristic > chondritic meteorite characteristic > chondrule > type AB chondrule > type IAB chondrule

type IAB chondrule
subject			fact

type IAB chondrule	is a kind of type I chondrule
	is a kind of type AB chondrule
type I chondrule	has iron oxide content low
	has Mg content of olivine or pyroxene greater than 90 %
	has oxidation state low or reduced
type AB chondrule	has olivine content intermediate
	has pryroxene content intermediate
chondrule	has diameter usually less than 1 mm but can range from 0.1 to 10 millimeters
	has relative volume 80 % of volume of ordinary and enstatite chondrite and greater than 15 % of most other chondrite groups
	has composition glass
	has texture
	has abundance most abundant part of chondrite meteorite