showing eruption within body water beneath ice surficial lithology unconsolidated surficial materials may also given lithology defined grain size composition often attached interpretation unit formed surficial lithologies given lacustrine coastal fluvial aeolian glacial recent volcanic deposits among others examples surficial lithology classifications used us geological survey glacial till loamy saline lake sediment eolian sediment coarse textured sand dunes ref name usgs surficial ref see also facies references petrology
Social science Geography Physical geography Lithology