As rivers spread out and widen, the speed of the water decreases. Soil and mineral matter carried along by quickly moving water drops, and is spread out by the force of the water- in the typical...
The difference between alluvial fan and a delta is that the alluvial fan are fan -shaped mass of deposited by a stream when slope of the land decreases sharply unlike the delta that material...
Alluvial Fans
Where a stream flows out of a steep, narrow mountain valley, the stream suddenly becomes wider and shallower. The water slows down, Here sediments are deposited in an alluvial fan. An...
a delta is when a river empties into a larger body of water (lake, ocean, etc) an alluvial fan is when a river flows from a steep slope onto more gently sloped land, slowing down and spreading out
As water moves, it carries sediments with it. Any time moving water slows down, it drops, or deposits, some of the sediment. As the water slows down, fine particles fall to the river's bed. Larger...