based on the symptoms present. The ability to. distinguish between a symptom and a cause. can speed the process up considerably. The tabulation above lists a few of the âmost. likelyâ symptoms and causes of pump failure or. less than expected performance.
Definition of PETROLOGY. : a science that deals with the origin, history, occurrence, structure, chemical composition, and classification of rocks. â petÂ·roÂ·logÂ·ic \Ëpe-trÉ-Ëlae-ËlÃ¤\ jik orÂ·petÂ·roÂ·logÂ·i \-cal-ji\ kÉl. adjective
Related to metamorphism: Regional metamorphism, Contact metamorphism, dynamic metamorphism, Thermal metamorphism. in geology, process of change in the structure, texture, or composition of rocksrock, aggregation of solid matter composed of one or more of the minerals forming the earth's crust. The scientific study of rocks is called petrology.