white rock formation on water

Types of Rock and Their Uses

Rocks come in all sorts of different shapes, sizes and colors – there are probably around 4,000-5,000 species worldwide and most have numerous uses. Limestone is a sedimentary rock used for creating concrete and mortar. Additionally, Rapa Nui (Easter Island) natives used limestone to sculpt its iconic moai statues using this material. Sedimentary Sedimentary Rock …

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