IODP SEDIS - Thesaurus -

Altyn Limestone
BT	Chronostratigraphic Units
	.Precambrian
	..Proterozoic
	...Mesoproterozoic
	....Altyn Limestone
RT	Alberta
	Montana
	British Columbia
	Belt Supergroup
	Ravalli Group
SN	In Ravalli Group of Belt Supergroup. SW Alberta, SE British Columbia and NW Montana.