GEOL140 (Liberal Arts) $ Our Earth 4 hrs. 3 crs. This course provides an introduction to the geologic environment and its relationship to human affairs; volcanic activities, earthquakes, landscapes, land use and abuse, the earth through time, recognition of minerals, rocks and fossils, maps and aerial photographs. Not open to student with credit in GEOL 110 or GEOL 207. A museum visit and a one-day trip are required.