IODP SEDIS - Thesaurus -

Rannoch Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Jurassic
	....Middle Jurassic
	.....Bajocian
	......Rannoch Formation
RT	Aalenian
	Brent Group
	North Sea
SN	In Brent Group. Added to Thesaurus in 1995.