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・ Douar Ain Chami
・ Douar Doukkara
・ Douar El Ma
・ Douar Hicher
・ Douar Lahna
・ Douar Nevez
・ Douarnenez
・ Douaumont
・ Douaumont Ossuary
・ Douay
・ Douay–Rheims Bible
・ Doub (family)
・ Doub Farm
・ Doub's 1st constituency
・ Doub's 2nd constituency
Dotsero
・ Dotsero Formation
・ Dotsero, Colorado
・ Dotsie Bausch
・ Dotsie Bregel
・ Dotsiko
・ Dotson
・ Dotson Ice Shelf
・ Dotson Ridge
・ Dotson, Minnesota
・ Dotsoul
・ DotSUB
・ Dotsuitarunen
・ DotSVN
・ Dott


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Dotsero : ウィキペディア英語版
Dotsero

Dotsero is a wide by deep maar volcano located in Dotsero, Colorado near the junction of the Colorado River and the Eagle River. It is classified as a scoria cone with evaporitic rock, basaltic tephra, and oxidized sandstone. Erupting approximately 4200 years ago, it is the youngest volcano in Colorado.
==Eruption information==
This Holocene volcano erupted in the year 2220 ± 300 years B.C. When Dotsero blew, it created small scoria cones that were constructed along a NNE-SSW line on either side of the maar.〔 The eruption date is based upon radiocarbon dating of wood found underneath some of the scoria. It is one of the youngest eruptions in the continental U.S. and it produced an explosion crater, a lahar, and a long lava flow.〔
Volcanoes that have erupted in the past 10,000 years are more likely to become active again.
Interstate 70 cuts across the lava flow.

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「Dotsero」の詳細全文を読む



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