geology
what is the oldest to the youngest of these 4 rocks? granite, limestone, mudstone and conglomerate.
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Granite is the oldest of the four rocks, followed by limestone, mudstone, and finally conglomerate, which is the youngest. This is because granite is created from cooled magma deep within the Earth's crust and takes much longer to form than the other three rocks. Limestone is formed from sedimentary deposits and mudstone is formed from sediment compaction and cementation. Finally, conglomerate is formed when sedimentary particles are glued together by a natural cement.
