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They also claimed that small pieces of debris found near Stonehenge, which were traced back to the dig site in Wales, were actually transported by the movement of glaciers over half a million years ago, and not brought by ancient masons along with the bluestones.
Best Answer: Igneous rocks are formed when magma (or molten rocks) have cooled down and solidified. Sedimentary rocks are formed by the accumulation of other eroded substances. Metamorphic rocks are formed when rocks change their original shape and form due to intene heat or pressure.Igneous rocks are commonly found inside the Earthâs crust or mantle.Sedimentary rocks are usually found in water bodies. Metamorphic rocks are found on the Earthâs surface.edimentary rocks are formed by the accumulation of other eroded substances. Metamorphic rocks are formed when rocks change their original shape and form due to intene heat or pressure.