Assertion details
Summary
river's valley fill 2 with alluvium
1 triples in cluster
valley fill with alluvium 2
2 source sentences
Source: Shown
Subject: Shown
Predicate: Shown
Object: Shown
Facet: Shown
  • SRC Nested fill terraces : Nested fill terraces are the result of the valley filling with alluvium , the alluvium being incised , and the valley filling again with material but to a lower level than before .
  • SRC The valley may fill with alluvium for many different reasons including : an influx in bed load due to glaciation or change in stream power which causes the valley , that was down cut by either a stream or river , to be filled in with material ( Easterbrook ) .