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Photographies de roches de collection
A rock is an aggregate of minerals or minerals and organic material. Rocks are formed when minerals combine and solidify. There are several types of rocks, including magmatic rocks, sedimentary rocks, metamorphic rocks and eruptive rocks. Magmatic rocks are formed when magma cools and solidifies. Sedimentary rocks are formed when sediments are deposited and compressed on the bottom of the water or on the land. Metamorphic rocks are formed when rocks are exposed to high temperatures and pressures, causing them to melt and turn into a new rock. Eruptive rocks are formed when magma rises to the surface and forms molten lava that cools and solidifies.Translated with www.DeepL.com/Translator (free version)