Geology was the study of planetary processes or referred to planetary processes itself. Those applying its concepts were known as geologists.
Groundquakes, volcanoes, and geysers were studied in this field.
Geology was a field studied by the Svivreni for use in mining.
Behind the scenes
Geology was based on the study of the Earth. However in this context, it refers to the study of all planets.
Appearances
"Firepower" — Star Wars Adventure Journal 8 (also reprinted in Hyperspace: The Official Star Wars Fan Club)- The New Jedi Order: Dark Journey
- Legacy of the Force: Sacrifice (inferred from the existence of geologists)