翻訳と辞書 |
Timeline of Michigan history : ウィキペディア英語版 | Timeline of Michigan history
== Natural history ==
*13000 BC to 12000 BC The most recent of four major glaciers (Wisconsin glaciation) started to recede leaving a tundra like environment. The melting ice formed the Great Lakes, the Upper Peninsula and Lower Peninsula (in the Michigan Basin) *12800 BC Mastodons and other ice age mammals started to appear in the fossil record *11000 BC to 9000 BC Archeological evidence of Paleo-Indians in the form of sharpened stone tool points known as fluted biface appears.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Timeline of Michigan history」の詳細全文を読む
スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|