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.
Photo by James Maynard © 2009 - free use with attribution Full-size, jpeg format
Distribution of sand, gravel and mud in the avalanche deposits after Glicken 1996 fig. 56
Glicken 1996 fig. 59