IODP SEDIS - Thesaurus -

Baraga Group
BT	Chronostratigraphic Units
	.Precambrian
	..Proterozoic
	...Baraga Group
RT	Michigan
	Hemlock Formation
	Michigamme Formation
SN	N Michigan. Includes Goodrich Quartzite, Michigamme Formation (Bijiki iron formation, Clarksburg volcanics and Greenwood iron formation); Hemlock Formation, Fence River Formation and Badwater Greenstone. Added to Thesaurus in 1989.