The debris avalanche hummocks - texture

Within the avalanche deposit, the size and frequency of the large blocks decrease down flow, but the texture of the matrix remains constant, indicating that most of the formation of the matrix occurred at the mountain.

texture

Photo by James Maynard © 2009 - free use with attribution  Full-size, jpeg format

triangle

Distribution of sand, gravel and mud in the avalanche deposits after Glicken 1996 fig. 56

 

sorting

Glicken 1996 fig. 59