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
The Study of Touch jazz piano trio in the 21st century". Writing for The Guardian reviewer John Fordham called it "A session by a master improvising composer, and in ideal company". On All About Jazz, Mike Jurkovic noted "With boundless humor and flexible grace, pianist Django Bates offers us "The Study of Touch" the perfect piano trio music for the significant other who absolutely hates piano trio music" while Karl Ackermann said "it seems that in teaming with Eldh and Bruun, more than ten years back, Bates was simultaneously laying the groundwork for what has become his own version of a standards trio. In