Erosion and deposition constantly change Earth’s surface. Erosion carries natural materials like rock and soil from one place to another. Through deposition, these natural materials may be deposited in areas where they build up over time.

Which landform results from the deposition of materials in a valley during volcanic eruptions?

sill
mud pot
caldera
lava plateau

1 answer

The landform that results from the deposition of materials in a valley during volcanic eruptions is a lava plateau. Lava plateaus are formed when large amounts of lava flow out of fissures and spread over a large area, building up layers over time. Sills and calderas are related to volcanic activity but don't involve the deposition of materials in a valley in the same way. Mud pots are related to geothermal activity and do not result from volcanic deposition.