IODP SEDIS - Thesaurus -

Pearsall Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Lower Cretaceous
	.....Pearsall Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Comanchean
	.....Pearsall Formation
RT	Louisiana
	Texas
	Trinity Group
SN	In Trinity Group. S Texas and Louisiana. Includes Cow Creek Member. This term has multiple hierarchies. Added to Thesaurus in 1989.