| − | Geology (from Greek γη- (ge-, "the earth") and λογος (logos, "word", "reason")) is the science and study of the solid matter of the Earth, its composition, structure, physical properties, history and the processes that shape it. It is one of the Earth sciences. | + | '''Geology''' (from [[Greek]] γη- (ge-, "the [[earth]]") and λογος (logos, "word", "[[reason]]")) is the [[science]] and study of the solid matter of the Earth, its composition, structure, physical properties, [[history]] and the processes that shape it. It is one of the Earth sciences. |