| 词条 | White River Ash |
| 释义 |
The White River Ash is a 1,200-year-old ash deposit. It was formed by two large (VEI 6) explosive eruptions from the stratovolcano of Mount Churchill that blanketed {{convert|340000|km2|sqmi|abbr=on}} of Yukon and Northwest Territories, Canada and the U.S. state of Alaska with ash.[1] See also{{Portal|Volcanism of Canada}}
References1. ^{{cite web | url=http://cgrg.geog.uvic.ca/abstracts/WestEvidenceRhyodacitic.html | archiveurl = https://web.archive.org/web/20090408052616/http://cgrg.geog.uvic.ca/abstracts/WestEvidenceRhyodacitic.html | archivedate= 2009-04-08 | title = Evidence for winter eruption of the White River Ash (eastern lobe), Yukon Territory | author1 = West, K.D. | author2 = Donaldson, J.D. | work = CGRG Bibliography of Canadian Geomorphology | publisher = The Canadian Geomorphology Research Group | year = 2000 | accessdate = 2007-07-09}} [https://pubs.geoscienceworld.org/geology/article-lookup/42/10/875 Transatlantic distribution of the Alaskan White River Ash]{{Alaska-geo-stub}}{{Yukon-geo-stub}}{{NorthwestTerritories-geo-stub}} 5 : Volcanism of Alaska|Volcanism of Yukon|Volcanism of the Northwest Territories|Holocene volcanism|VEI-6 eruptions |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。