Trivia. 1  This movie was used as a part of a plot line in the The Moon is Not Blue episode of M*A*S*H.. The plot line focuses on Hawkeye Pierce and B.J. Hunnicutt trying to obtain a copy of the movie for the 4077th after hearing it has been banned in Boston.
Definition of alluvial. : relating to, composed of, or found in alluvium alluvial soil alluvial diamonds.
The open plain allows the water to slow down and spread out, leaving alluvium behind. As the water slows down, the harder-to-move pieces of alluvium, usually the boulders and gravel, are the first to stop. Further down the alluvial fan, the lighter sediment, like silt and sand, is deposited. Alluvial fans have some similar characteristics. The pointy part of the triangle, where the water and sediment have come out of the narrow passage, is called the apex or sometimes the fan head. The bottom part of the triangle, where the mixes spread out, is the apron, or tail, of the alluvial fan.