Table of Contents
- 1 What is a fan shaped mass of rock material deposited by a stream when the slope of the land decreases sharply?
- 2 Which is a fan shaped mass of alluvium deposited as the flow of a river decreases in velocity?
- 3 What is a mass of rocks and sediment carried down and deposited by a glacier?
- 4 Is a fan shaped mass of rock material deposited at the mouth of a stream?
- 5 What is a fan shaped deposit of sedimentary material in a water body called?
- 6 Why does sediment get deposited where a stream meets the ocean forming a delta?
What is a fan shaped mass of rock material deposited by a stream when the slope of the land decreases sharply?
Earth Science Ch. 15
| A | B |
|---|---|
| delta | fan-shaped mass of rock material deposited at the mouth of a stream |
| alluvial fan | fan-shaped mass of rock material deposited by a stream when the slope of the land decreases sharply |
| floodplain | an area along a river that forms from sediments deposited when the river overflows its banks |
Which is a fan shaped mass of alluvium deposited as the flow of a river decreases in velocity?
noun. A fan-shaped mass of alluvium deposited as the flow of a river decreases in velocity. ‘Water-transported sediments formed alluvial fan deposits that were laid down on essentially flat-lying volcanic flows by streams flowing toward the center of the rift basin. ‘
When a stream enters a lake or ocean it deposits material in a fan shaped deposit called a?
Alluvial Fans
Alluvial Fans Figure 10. At the location where a stream reaches its base level, it slows down and deposits nearly all of the sediment it is carrying. A stream that comes down a canyon and enters a flat valley or plain builds a fan shaped deposit of sediment known as an alluvial fan.
What is a buildup of sediment deposited along the channel of a river that keeps a river inside its banks?
levee. buildup of sediment deposited along the channel of a river that keeps a river inside its banks.
What is a mass of rocks and sediment carried down and deposited by a glacier?
Moraine. a mass of rocks and sediment carried down and deposited by a glacier, typically as ridges at its edges or extremity.
Is a fan shaped mass of rock material deposited at the mouth of a stream?
the boundary between drainage areas that have streams that flow in opposite directions. a fan-shaped mass of material deposited at the mouth of a stream. alluvial fan. a fan-shaped mass of material deposited by a stream when the slope of the land decreases sharply.
Where are alluvial fans deposited?
Alluvial fans and bajadas are often found in deserts, where flash floods wash alluvium down from nearby hills. They can also be found in wetter climates, where streams are more common. Alluvial fans are even found underwater.
What is the characteristic shape of an alluvial fan?
An alluvial fan is a cone-shaped feature in the landscape where silt, gravel, sand, and sometimes boulders, have been deposited. That mix of stuff that has been deposited is called alluvium.
What is a fan shaped deposit of sedimentary material in a water body called?
A delta is a fan-shaped deposit of sediment where a river meets a large body of water.
Why does sediment get deposited where a stream meets the ocean forming a delta?
As a river meets the sea, the sediment it carries is deposited in a fan-like formation called a delta. The river will spread out across this delta into multiple channels, due to the meanders through this deposited sediment. Rivers with less sediment will form rounded fans (Nile), as the sea erodes its edges.
Why is sediment deposited in a fan like shape?
As a stream flows down a hill, it picks up sand and other particles—alluvium. The rushing water carries alluvium to a flat plain, where the stream leaves its channel to spread out. Alluvium is deposited as the stream fans out, creating the familiar triangle-shaped feature.
What’s a fan-shaped deposit at the mouth of a river?