Rock cycle - The continuous process of transformation of old rocks into new rocks , Igneous Rocks - These are the primary sources of all the other rocks., Lithification - The process that turns loose sediments into rock, Metamorphic Rocks - The sedimentary rocks may further undergo disintegration and be again recrystallized into igneous rocks and then transform into these rocks, Convection Current - It is a process that involves the movement of energy from one place to another, Compaction - It is a process that brings about an increase in soil density or weight, accompanied by a decrease in air volume, Cementation - involves ions carried in groundwater chemically precipitating to form new crystalline material between sedimentary grains.,

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