braided rivers - university of wyominggeoweb.uwyo.edu/geol2100/lecture09_environmentrivers.pdf ·...
TRANSCRIPT
Braided Rivers
Deposits From Braided Rivers
Flood Plain & Valley
A
B
A B
Meandering Rivers
Flow in a meander bend
Stress in a meander bend Grain size in a meander bend
High
High
Low
Low
Larger
Finer
Finer
Point Bar Strata
Point Bar Strata
Ancient Floodplains & Soils
Ancient Channel Fill
Stacked Channel Sands & Floodplain Muds
Lowland Rivers
Architecture of a channel-fill
Organization of strata from an avulsing river