Volcanic debris flow

Circumstances

A variety of lahar, which is formed by the water suspended flows of volcaniclastics. Deposits of water-saturated mixture of volcaniclastics, which flow at the high speed on the slopes of volcanoes.

Sedimentary facies (Sediments)

Angular boulders - pebbles of volcanic rocks in a matrix of poorly sorted sandy silt.

Sedimentary facies (Structures)

Indicates no foliations.