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What does a river cause by removing rocks and soil from the riverbed?
Flood waters cause rivers to scour out their beds, leaving a enter channel.
How are earth materials deposited at the bottom of a river?
Through a process called Erosion. The minerals are embedded in rocks on the mountain side, whether it be gold, silver or even diamonds. These are just a few examples, what happens next is that water runs over the rocks, and rocks are more susceptible to erosion than the mineral so the first thing that gets removed is the rock. Eventually there is no rock left and the mineral or Ore breaks free and is washed down the river till it comes to a place where it cannot move or is blocked from moving. This is why in the Old West, Gold Hunters used to pan for gold in river beds. They didn't have to dig into mines and extract ore they let Nature do its work.
Where is one most likely to find rocks that have become smooth and rounded?
River beds.
What causes wide river channels?
by erosion eroding the banks and beds of a river
The Huang River constantly threatens to flood because of the buildup of in its river beds?
The Huang River constantly threatens to flood because of the buildup of silt in its river beds. Silt deposits make the bed of the river higher causing flooding.
What type of rock is formed on ocean beds?
Sedimentary rocks are formed over existing basaltic rock on ocean beds.
Do river beds get smaller as you go downstream?
Not necessarily.
Where do you find real gold?
Alluvial gold in creek beds or buried creek beds, the rest in rocks which have to be crushed to extract the gold.
How does ice and water change the land?
Ice and water changes the land by causing rocks and soil to erode. Both ice and water will create cracks in rock and can even create mountains or river beds.
What places are sedimentary rocks found?
At a bottom of a lake, a river delta, an ocean, or similar location where further movement is restricted or slowed down.
Formation of potholes in river beds is an example of?
Fluvial Erosion
Where does sedimentary rock almost always form?
River beds
