| GEOSC-101 | Principles of Geoscience: Earth Resources and the Environment |
| GEOSC-103 | Principles of Geoscience: Geology and Human Events in North Africa and the Middle East |
| GEOSC-105 | Our Interconnected Earth |
| GEOSC-107 | Principles of Geoscience: Geological & Environmental Challenges Around the World |
| GEOSC-110 | Principles of Geoscience: Geology and the Environment |
| GEOSC-112 | Principles of Geoscience: The Marine Environment |
| GEOSC-115 | Principles of Geoscience: Evolution and the Environment |
| GEOSC-201 | Seminar on Iceland |
| GEOSC-202 | Iceland Field Study |
| GEOSC-209 | Hydrogeology |
| GEOSC-211 | Paleoenvironmental Reconstruction: Applications of Sedimentology and Stratigraphy |
| GEOSC-212 | Climate Change |
| GEOSC-213 | Fire and Ice: Seminar on the Geology of Iceland in a Global Context |
| GEOSC-214 | Drones and Phones: Seminar on New Tools for Geologic Field Work and Data Collection |
| GEOSC-220 | Mineralogy |
| GEOSC-227 | The East African Rift System |
| GEOSC-230 | Structural Geology and Tectonics |
| GEOSC-235 | Volcanoes: Their Role in Controlling Climate and in Generating Critical Resources |
| GEOSC-236 | Soils and the Environment |
| GEOSC-238 | Age of Dinosaurs |
| GEOSC-240 | Meteorology |
| GEOSC-250 | Seminar on Geology of the Desert Southwest |
| GEOSC-260 | Geomicrobiology |
| GEOSC-289 | Conservation Paleobiology |
| GEOSC-290 | Paleontology |
| GEOSC-291 | Field Studies in the Desert Southwest |
| GEOSC-309 | Advanced Hydrogeology and the Environment |
| GEOSC-310 | Igneous and Metamorphic Petrology |
| GEOSC-312 | Volcanology |
| GEOSC-314 | Experiences in Geophysics |
| GEOSC-370 | Coastal Geology and Environmental Oceanography |
| GEOSC-375 | Origins of Natural Systems |
| GEOSC-380 | GIS for Geoscientists |
| GEOSC-390 | Advanced Paleontology: Special Topics in Paleobiology and the Fossil Record |
| GEOSC-510/511 | Senior Project |
| GEOSC-551 | Senior Seminar I |
| GEOSC-552 | Senior Seminar II |