IODP SEDIS - Thesaurus -

Precambrian
BT	Chronostratigraphic Units
	.Precambrian
NT	Archean
	Proterozoic
	Acungui Group
	Adirondack Anorthosite
	Animikie Group
	Anshan Group
	Assyntic Orogeny
	Avalonian Orogeny
	Baltimore Gneiss
	Bijawar System
	Biwabik Iron Formation
	Brockman Iron Formation
	Carrizo Mountain Formation
	Catoctin Formation
	Central Rand Group
	Changcheng System
	Changzhougou Formation
	Chelmsford Formation
	Chuanlinggou Formation
	Chuar Group
	Cuddapah System
	Delhi Supergroup
	Eocambrian
	Espanola Formation
	Fig Tree Series
	Flinton Group
	Fortescue Group
	Great Smoky Group
	Grenvillian Orogeny
	Gunflint Iron Formation
	Hamersley Group
	Harbour Main Group
	Hazel Formation
	Hecla Hoek Formation
	Hudsonian Orogeny
	Idaho Springs Formation
	Johnnie Formation
	Jupiter Member
	Kaladgi System
	Katangan Orogeny
	Kenoran Orogeny
	Kingston Peak Formation
	Kisseynew Complex
	Knife Lake Group
	Ladoga Series
	Laramie anorthosite complex
	Levack Gneiss
	Lewisian Complex
	Luoquan Formation
	middle Precambrian
	Minas Series
	Missi Group
	Nipissing Diabase
	Nokomis Group
	Nonesuch Shale
	Noonday Dolomite
	North Shore Volcanics
	Onverwacht Group
	Osler Series
	Pahrump Series
	Pelona Schist
	Penokean Orogeny
	Penrhyn Slate
	Pongola Supergroup
	Prichard Formation
	Prince Albert Group
	Purcell System
	Roan Supergroup
	Sandia Granite
	Sherridon Group
	Sioux Quartzite
	Sokoman Formation
	Stillwater Complex
	Stirling Quartzite
	Sveconorwegian Orogeny
	Swaziland Sequence
	Swaziland System
	Transvaal Supergroup
	Twilight Gneiss
	Uinta Mountain Group
	Unkar Group
	upper Precambrian
	Vadito Group
	Ventersdorp Supergroup
	Wasekwan Group
	Waterberg System
	Wilcox Formation
	Witwatersrand Supergroup
	Wyman Formation
	Yellowjacket Formation
UF	Pre-Cambrian
RT	Kurnool System
	Ballachulish Complex
	Cadomian Orogeny
	Baikalian Phase
	Dalradian
	Bhander Group
	Limpopo Belt
	Deer Lake Group
	Dore Lake Complex
	Duluth Complex
	Hector Formation
	Highland Complex
	Jacobsville Sandstone
	Kaimur Sandstone
	Lardeau Group
	Middle Run Fo
SN	As of 1981, Archean is used for lower Precambrian.

Precambrian Shield
USE	Canadian Shield