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Anthropology 210 Midwest Plains Prehistory
Post-Glacial Climatic Sequence
Climatic Period Date BP Conditions Neo-Boreal 400-100 very cool, "little ice age" Mississippian/Villager
Pacific 850-400 cool/dry --------------------- Neo-Atlantic 1260-850 warm, wet
Scandic 1680-1260 warm Sub-Boreal 5060-2760 modern conditions
Atlantic 8490-5060 hot/dry Archaic
Boreal 9300-8490 modern conditions -----------------------------
Pre-Boreal 10000-9300 cool/wet Paleo-Indian Glacial before 10000 cold
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Email: michlovc@mnstate.edu | Updated: 2/1/05 |