Clay Clay both a grain size (1µm – 3.9 µm) and a type of aluminum silicate mineral Related Articles: How is sound used to explore for oil and gas?Explosive Sound Sources TechnologyReverberationWhat happens when sound pressures are large?Resources for EducatorsWorld War II: 1941-1945How does sound propagate from air into water?How does sound propagate through sediment? Chris Knowlton2022-01-04T16:10:40-05:00