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Precambrian  search
BTChronostratigraphic Units
 .Precambrian
NTArchean
 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
UFPre-Cambrian
RTKurnool 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
SNAs of 1981, Archean is used for lower Precambrian.
Precambrian Shield  search
USECanadian Shield