Paleoproterozoic  search
BTChronostratigraphic Units
 .Precambrian
 ..Proterozoic
 ...Paleoproterozoic
NTSiderian
 Rhyacian
 Orosian
 Statherian
 Aphebian
 Birrimian
 Carpentarian
 Cobalt Group
 Hemlock Formation
 Karelian
 Marquette Range Supergroup
 Mazatzal Orogeny
 Michigamme Formation
 Svecofennian
 Svecofennian Orogeny
 Thomson Formation
 Torngat Orogeny
 Transamazonian Orogeny
 Virginia Formation
 Willyama Complex
 Wollaston Group
UFlower Proterozoic
 Palaeoproterozoic
RTTyler Formation
 Ventersdorp Supergroup
 Fortescue Group
 Harney Peak Granite
 Levack Gneiss
 Little Falls Formation
 Rocknest Formation
 Twilight Gneiss
 Wopmay Orogeny
SNIUGS approved (1990) chronometric era with ages from 2500 Ma to 1600 Ma.