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Minerals

Minerals are naturally occurring substances formed by geological processes. They are found in the uppermost layer of the Earth’s crust. Some minerals are formed from molten magma, such as diamond, mica and feldspar. Some are found in places such as in rocks, in sand or in gravels. There exist more than 2800 different varieties of

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Rock Cycle

Rocks are formed through various natural processes such as weathering, erosion or movement of tectonic plates. One type of rock gradually interchanges and recycles to form another type of rock. This change is called rock cycle. It is a very slow process. ♦ Solidification of molten magma produces igneous rocks. ♦ These igneous rocks break

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