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We often talk about climate change, melting glaciers, or strange landforms. But we rarely think about something that’s always ...
Limestone, for example, is a sedimentary rock made exclusively of the mineral calcite (CaCO3). Glacier ice too, is a type of rock composed of crystals of water.
Examples of igneous rocks Granite Basalt Pumice Gabbro Metamorphic Rock Type Metamorphic rocks form from a previously existing rock, be it igneous, sedimentary or even an older metamorphic rock ...
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