The rock cycle is a series of processes that create and transform the types of rocks in Earth’s crust.
5 - 8
Chemistry, Earth Science, Geology
Active volcanoes like this one on Reunion Island—east of Madagascar, in the Indian Ocean—forms a type of igneous rock. Extrusive, or volcanic, igneous rocks are formed when molten hot material cools and solidifies.
Photograph by Steve Raymer
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July 15, 2022
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