Rock Formation And Erosion Cycle
by Tim Brown/science Photo Library
Title
Rock Formation And Erosion Cycle
Artist
Tim Brown/science Photo Library
Medium
Photograph - Photograph
Description
Rock formation and erosion cycle. Cutaway illustration showing the cycle by which rocks are formed and eroded. At left, volcanic activity forms new rock on the Earth's surface as molten rock (lava) rises from the Earth's mantle (bottom). Weathering and erosion processes (top right)then slowly over thousands of years wear down the rock. Wind and water transport the eroded rock, and sediment is deposited at the mouths of rivers and on ocean beds. River deltas may form new land, but the layered ocean sediment is returned to the mantle (orange) at subduction zones, or lifted up by tectonic activity to be eroded once more.
Uploaded
February 18th, 2021
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