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Delgada Submarine Canyon : ウィキペディア英語版 | Delgada Submarine Canyon
The Delgada Submarine Canyon is an underwater submarine canyon located off the King Range in Northern California. A million cubic meters of sediment fall into this canyon and another canyon each year. One end is near the coastline, close to Shelter Cove, part of the Lost Coast of California. The Delgada deep-sea fan is located at the mouth of the canyon.〔http://www.marscigrp.org/65Wilde.pdf〕 It was originally created 10 million years ago from the San Francisco Bay drainage, and is today one of the largest geological features off the shores of North America. The canyon's depth is off the coast. At a distance of offshore, it is . The canyon follows an underwater mountain that does not have gullies. Most canyons do not do this, indicating that it has been shifted by seismic activity. ==References==
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「Delgada Submarine Canyon」の詳細全文を読む
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