What is anorthosite and what is so special about it? Subject: Geography Section: Physical geography Context: The lunar surface has ‘Anorthosite’ [a type of intrusive igneous rock] type of soil. What is anorthosite? The term anorthosite was introduced by T.S. Hunt (1863). Anorthosites are rocks dominated by plagioclase feldspars.. Feldspars, together with quartz, […]