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A photographic overview and record of the Mink Creek earthflow, Terrace, British Columbia

Author(s) or contact(s): M. Geertsema and J.W. Schwab
Source: Research Branch
Subject: Erosion, Mass Wasting and Landslides
Series: Research Report
Other details:  Published 1996. Hardcopy is available.
 

Abstract

A large retrogressive earthflow occurred near Terrace, British Columbia in late December 1993, or early January 1994. Landslide debris extended down Mink Creek one kilometre, and backed water upstream 1200 m. A small channel has incised the spoil and adjacent forest. Post-failure erosion is significant. This paper provides a photographic overview of pre- and post-failure conditions of the earthflow.

Keywords: retrogressive earthflow, landslide, glaciomarine sediment, exposed failure plane, translational sliding, ridge and wedge topography, post-failure erosion, aborted retrogression.

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Updated October 24, 2008