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The crust is the outermost layer of the Earth. It is made from enormous plates of rocks. Some of the crust is covered by water – the oceans.
- Plate tectonics - CCEA - BBC Bitesize
It is a thin layer between 5-70 km thick. The crust is the...
- Rock types - The Earth and atmosphere - KS3 Chemistry - BBC
Key points. There are three types of rock found on Earth....
- Plate tectonics - CCEA - BBC Bitesize
It is a thin layer between 5-70 km thick. The crust is the solid rock layer made of large slabs called plates. These form both the ocean floor and the continents.
Apr 25, 2024 · Earth has three layers: the crust, the mantle, and the core. The crust is made of solid rocks and minerals. Beneath the crust is the mantle, which is also mostly solid rocks and minerals, but punctuated by malleable areas of semi-solid magma. At the center of Earth is a hot, dense metal core.
Jan 25, 2019 · The crust is a thin but important zone where dry, hot rock from the deep Earth reacts with the water and oxygen of the surface, making new kinds of minerals and rocks. It's also where plate-tectonic activity mixes and scrambles these new rocks and injects them with chemically active fluids.
- Andrew Alden
Key points. There are three types of rock found on Earth. These are igneous, metamorphic and sedimentary. Each rock type is formed in a different way. Rocks are usually mixtures of...
Jan 21, 2008 · The weathering of rocks at the earth’s surface is a complex process involving both physical and chemical changes. The latter tend in principle to be rather simple kinds of reactions involving dissolution, reaction with carbon dioxide, hydrolysis, hydration, and oxidation.
Aug 1, 2023 · The crust is the Earth’s outermost layer and it’s where we live. It has an irregular thickness, varying from about 5 km beneath the oceans (oceanic crust) to about 30 km beneath the continents (continental crust). The crust mainly consists of lighter rocks, such as basalt in the oceanic crust and granite in the continental crust.
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