Petrology and cycles and the use of thermodynamic data and experiments in order to better understand the origins of rocks. There are three branches of petrology, corresponding to the three types of rocks: igneous, metamorphic, and sedimentary, and another dealing with experimental techniques: Petrology Petrology (from the Greek πέτρος, "pétros", "rock" and λόγος, "lógos", "subject matter", see -logy) is the branch of geology that studies rocks and the conditions under which they form. Petrology has three subdivisions: igneous, metamorphic, and sedimentary petrology. Igneous and metamorphic petrology are commonly taught together because they both contain heavy use of chemistry, chemical methods, and
This Is What You Want... This Is What You Get songs by John Lydon, Keith Levene, and Martin Atkins except * by John Lydon and Martin Atkins Five songs on "This Is What You Want...This Is What You Get" are re-recordings of tracks which originally appeared on "Commercial Zone": "Bad Life" (originally titled "Mad Max"), "This Is Not a Love Song" (originally titled "Love Song"), "Solitaire" (entitled "Young Brits" on the second pressing of "Commercial Zone"), "The Order of Death" (originally titled "The Slab"), and "Where Are You?" (originally titled "Lou Reed Part 2"). Four songs from "Commercial Zone", "Bad Night", "Lou Reed Part 1", "Blue Water" and "Miller Hi-Life",