the discipline (education, history, etc) only; use GEOLOGICAL PHENOMENA or specifics treed under it for structures and properties of the inanimate matter of Earth and other celestial bodies and processes affecting them

The science of the earth and other celestial bodies and their history as recorded in the rocks. It includes the study of geologic processes of an area such as rock formations, weathering and erosion, and sedimentation. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)