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This deposit is called a "delta".

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Q: What is an alluvial deposit at the mouth of the river?
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Related questions

What is a sediment deposit extending from the mouth of a river into the sea?

Alluvial fan


What is a deposit of land and silt usually triangular formed at the mouth of a river?

alluvial fan?


What is definition of a DELTA?

a nearly flat plain of alluvial deposit between diverging branches of the mouth of a river


What is large deposit of sediment that occurs at the mouth of the river so to a sudden change in elevation?

Alluvial fan


What term is used for the triangular-shaped deposit of sediment sometime found at the mouth of a river?

An alluvial plain, sometimes also referred to as a fluvial plain.


What is an alluvial well?

A well that is drilled into an alluvial deposit, which is sediment from a river or lake.


A triangular deposit of sand and soil that collects at the mouth of some rivers?

Alluvial fan- A fan shaped alluvial deposit formed by a streau where it's velocity is decreased.


What is a fan-shaped deposit at the mouth of a river?

I believe that is from BC Science 7 and the answer is a delta.


Alluvial tracts of land at mouth of river formed by river deposits?

Alluvial deposits are river/stream deposits, whether they are found at the mouth of the river or anywhere along its length. In some cases, the alluvial deposits at the mouth of a river can form a delta.If this is not what you wanted to know, please rephrase the question. As it stands, this is an incomplete sentence with a question mark at the end of it.


What is the name of a deposit that forms when a mountain river runs into a plain?

alluvial fan


What is the deposit that forms when a mountain river runs onto a plain?

Alluvial Fan.


How does a Alluviail fan start happen?

An alluvial fan starts at just a build up of sediment at the mouth of a river. As the current moves, more and more sediment is lifted into the stream and carried until it hits a sediment deposit. As the sediment deposit gets bigger, it is exposed to the air and forms a sediment mountain. As the mountain gets bigger it forms an island in the middle of the mouth of a river. This is called an alluvial fan! Hope this was helpful!