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How is a deposit of till from a glacier different to a river delta?
Fluvial deposits are graded by the process of the flow of water. Glacial deposits are ungraded because as the ice melts the deposits are all "dumped" together.
Do petroleum deposits form in lake and river sediments?
Yes, petroleum deposits can form in lake and river sediments. Organic matter from plants and animals can accumulate in these environments over time and undergo a process called diagenesis, where heat and pressure transform the organic matter into petroleum. This process can result in oil and gas deposits being trapped in reservoir rocks beneath the sediment layers.
What is a delta a result of?
A delta is a result of sediment deposition by a river as it flows into a larger body of water, such as a lake or ocean. The sediment builds up over time, creating landforms that are shaped like a triangle or fan. Deltas are important for supporting diverse ecosystems and providing natural protection against flooding and erosion.
What does river erosion mean?
River erosion refers to the process by which a river wears away the land, rocks, and soil along its course through the action of water flow, abrasion, and corrosion. This natural process shapes the landscape over time, leading to the formation of canyons, valleys, and other landforms.
Virginia has large deposits of sand and gravel. This usually found where?
Large deposits of sand and gravel are typically found in river valleys, along beaches, and in glacial outwash areas. These materials are formed through the weathering and erosion of rocks, transported by water or ice, and deposited in various geological environments. In Virginia, you can often find these deposits in areas near rivers, lakes, and former glacial regions, making them accessible for extraction and use in construction and other industries.
What are deposits left by erosion by river used for?
Growing crops
What happens when erosion is caused by rivers?
When erosion is caused by rivers, it can result in the wearing away of the riverbanks and surrounding landscape. This process can create river valleys, canyons, and sediment deposits downstream. Additionally, the sediment carried by the river can impact water quality and aquatic ecosystems.
When a river carries away rock particles this is known as the process of?
Erosion by moving water in a river is called fluvial erosion.
What is the work of a river?
The work of the river as an agent of erosion and deposition is that it carries away the soil from one point to another. At a level ground, the sand deposits at the bottom of the river bed.
What could have caused a river to become wider?
If you mean how the river widens, the usually cause is erosion.
How does canyon formed?
usually by a river or stream, erosion.....
Describe the two major processes by which a river changes the land?
Deposition and erosion are two major processes by which a river changes the land. Erosion is the combination of weathering and deposition in which the water loosens and moves the land to another place.
What is A delta is a result of?
A delta is a result of deposits that are carried by a river. This is usually formed at the mouth of the river.
Is a river old or young if it has an oxbow lake?
A river is young if it has an oxbow lake. Erosion and deposits of soil cause crescent shaped oxbow lakes along a river and change the river's course.
What is a river process?
what is a river process ? A river process consists of three 1.erosion (in the upper course) 2.transportation(in the middle course) and 3.deposition (in the lower course).
Is a river carrying silt to the ocean an erosion?
The answer 4 that is no. it is a process of weathering.
What do you call the process in which a river removes its soil and rocks?
It is called Erosion.
