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Slumgullion mud flow, Hinsdale Co., Colorado, USA - Photo Gallery

Slumgullion Debris Flow

Slumgullion mud flow, Hinsdale Co., Colorado, USA

The Slumgullion Debris Flow is about 6.8 kilometres long, covers an area of about 4.6 square kilometres, and is estimated to be a volume of around 170 million cubic metres. The debris flow occurred about 700 to 800 years ago when a large volume of altered and unaltered volcanic rocks collapsed into a viscous mass movement, most likely after a heavy rain. The debris flow crossed the Lake Fork of the Gunnison River, creating San Cristobal Lake, the second largest natural lake in Colorado. Parts of the debris flow are still active as a slow moving earth flow.

The name Slumgullion was given to the debris flow by early miners in the area, who named the landform after a stew containing many ingredients. Apparently, the muddy debris flow containing multi-coloured volcanic rocks reminded them of the stew.

Photo taken: 1 November 2007
Copyright: © Nathalie Nicole Brandes      Photo ID: 409996     Uploaded by: Nathalie Brandes   View Count: 311   Approval status: Public galleries    Type: Photo - 1186 x 794 pixels (0.9 Mpix)
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