8.26. (10/18) Deltas: types, facies, processes Flashcards
1
Q
what are distributaries?
A
how water/sediment spreads out
2
Q
what is a river dominated delta?
A
delta that is dominated by the river
gulf doesn’t have big waves or tides
3
Q
What is a tidally dominated delta?
A
- Bangladesh
- the result of the tides
- many vain type things
4
Q
What does the outlet of the river bring?
A
5
Q
What is the prodelta?
A
body of water
6
Q
How does a delta form?
A
firehose of sediment coming down with the river
7
Q
What are the three things that matter when building a delta?
A
- sediment
- eustasy
- subsidence
8
Q
what kind of system does a delta have?
A
they are regressive (water moves out) because of all the sediment
9
Q
What is delta lobe __?
A
when the delta shifts because the river’s direction changes
10
Q
why does delta lobe __ happen?
A
rivers flow to subsidence and builds the delta back up with sediment
