Lithology sense of displacement across the zone. In igneous rocks, small-scale structures are mostly observed in lavas such as pahoehoe versus ʻAʻā basaltic flows, and pillows showing eruption within a body of water or beneath ice. Unconsolidated surficial materials may also be given a lithology. This is defined by grain size and composition, and is often attached to an interpretation of how the unit formed. Surficial lithologies can be given to lacustrine, coastal, fluvial, aeolian, glacial, and recent volcanic deposits, among others. Examples of surficial lithology classifications used by the US Geological Survey are, "Glacial Till, Loamy", "Saline Lake Sediment", and
Substance 1987 whose musical style is improved upon by the 12-inch mixes: "Pure rhythm machine with an ironically mysterious overlay of schlocky melody to help it go down, this album is a case study in sensationalist art, and I say the world is better for it." Additionally, he called "Substance" "sublime" and "a revelation" in his column for "Playboy". Christgau named it the seventh best album of 1987 in his list for the annual Pazz & Jop critics poll. In 2003, "Substance" was ranked number 363 on "Rolling Stone"s list of the 500 greatest albums of all time. According to the magazine,