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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.
What else can I help you with?
What is earth deposited at the mouth of a river?
CACA
Where do earth materials go that are eroded away by water?
It is deposited by the water in the following place: inside bends of the stream and river channel the flood plane of the river river deltas into lakes or the sea.
What happens to materials in a river no longer has the energy to carry them?
They settle out as deposited sediments.
Why do storms cause a new graded bed pattern to from the bottom of a lake or river?
layers were deposited by storms or floods
The heavy minerals deposited where the river current slows down are called?
Placer deposits. These are formed by the settling of heavy minerals like gold, diamond, and platinum when the energy of the river current decreases, allowing the denser particles to sink to the bottom.
What is rocks and soil recently deposited by a river?
Recent deposits by a river are known as alluvium, which can include a mix of rocks, gravel, sand, silt, and clay. These materials are carried by the river's current and eventually deposited along its banks or floodplains.
What is the soil called deposited at the mouth of the river?
The soil that is deposited is called silt. The landform that is often created by deposited silt at the mouth of a river is called a river delta.
when the flow of a river does what the sediment is deposited?
The flow of water slows enough for the silt to be deposited.
Which earth materials are deposited first as the water in a river slows down?
Larger particles are deposited first as a stream loses velocity. Gravel would be deposited first, since it is the largest (out of Clay, Silt, Sand, and Gravel)
What is the earth and sand deposited in the mouth of the river?
The earth and sand deposited there are called "sediments" and they build up to form what is called a "delta"; a triangular wedge shaped like the Ancient Greek letter "D" - hence "delta".
When the flow of a river slows is the sediment deposited?
Yes, when the flow of a river slows the sediment is deposited.
Moving rivers roll heavy materials along the river bottom?
sediment
