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TeachMeFinance.com - explain Debris avalanche
Debris avalanche The term 'Debris avalanche' as it applies to the area of volcanos can be defined as ' A rapid and unusually sudden sliding or flowage of unsorted masses of rock and other material. As applied to the major avalanche involved in the eruption of Mount St. Helens , a rapid mass movement that included fragmented cold and hot volcanic rock, water, snow, glacier ice, trees, and some hot pyroclastic material. Most of the May 18 deposits in the upper valley of the North Fork Toutle River and in the vicinity of Spirit Lake are from the debris avalanche. The very rapid and usually sudden sliding and flowage of an unsorted mixture of soil and weathered rock (Gardner,'.
About the author
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Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English".
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