Rapid Erosion at Mount St. Helens

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Published in: Origins, volume 11, number 2, pp. 90–98, 1984.

© 1984 Geoscience Research Institute, 11060 Campus Street, Loma Linda, California, 92350, USA. All Rights Reserved.

Abstract

How rapidly can a canyon form? Mount St. Helens has provided some clues. Numerous features there indicate the required erosion was rapid, contrary to conventional geomorphic theory.

Keywords

Mount St. Helens Volcano, 18 May 1980 Eruption, Erosion Features, Rapid Rockslide Debris, Steam Explosion Pits, Gully Erosion, Mudflow Erosion, Dendritic Erosion Pattern, Miniature “Grand Canyon,” Mass Wasting

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