| 翻訳と辞書 |
| Badger Mountain (Tri-Cities) ： ウィキペディア英語版 |
Badger Mountain (Tri-Cities)
Badger Mountain is a small mountain in Richland, Washington. Badger rises above the Tri-Cities connected to the smaller Candy Mountain via Goose Gap, is visible throughout much of the area and is a popular hiking destination for a wide variety of climbers. There are a number of trails climbing the mountain with varying levels of difficulty. Most of Badger Mountain is protected by the Badger Mountain Centennial Preserve, but the radio towers at the peak are private property.〔(Trails & Directions ) Retrieved 14 July 2015.〕 There are two summits on Badger Mountain, named the East Summit and the West Summit. The West Summit is the highest.
==Geology==
Badger Mountain is a member of the Yakima Fold Belt, a series of topographical folds (or wrinkles) raised from tectonic compression. The Yakima Fold Belt extends from Interstate 90 near Vantage, Washington to the Columbia River near Wallula, Washington. The Yakima Fold Belt is a portion of the larger Olympic-Wallowa Lineament, which extends from near Port Angeles, Washington into northeastern Oregon.〔(Field Trip Guide to the Columbia River Basalt Group ) Retrieved 31 May 2015.〕
Badger Mountain is also a part of the Columbia River Basalt Group. Sometime between 10 and 15 million years ago, multiple lava flows poured out from the Yellowstone hotspot, then located in western Idaho. These lava flows covered large portions of Washington and Oregon on their way to the Pacific Ocean and are the cause of the underlying basalt of the region. In some areas, the basalt was thick.〔Bishop, Ellen Morris (2003), In Search of Ancient Oregon: A Geological and Natural History, Portland, Oregon: Timber Press, ISBN 978-0-88192-789-4〕
During the time of the last ice age, glaciers extended into northern Washington, Idaho and Montana. This blocked the Clark Fork River creating Glacial Lake Missoula. Periodically during the ice age, the weight of the water behind the ice dam caused it to break creating the Missoula Floods. As these floods rushed toward the Pacific Ocean they carried glacial erratics, chunks of granite not typically found in eastern Washington. The surface elevation of the flood water reached above sea level at Badger Mountain, making it into an island for a short time. Glacial erratics of various sizes can be seen up to this elevation on the mountain and there is a marker along the Canyon Trail at 1250 feet above sea level.〔Allen, John Eliot; Burns, Marjorie and Sargent, Sam C. (c. 1986). Cataclysms on the Columbia : a layman's guide to the features produced by the catastrophic Bretz floods in the Pacific Northwest. Portland, OR: Timber Press. p. 104. ISBN 0-88192-067-3.〕
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「Badger Mountain (Tri-Cities)」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.
|
|