| All Geology | SE/001 |
| Petrology | SE/002 |
| Geochemistry | SE/003 |
| Geophysics | SE/004 |
| Stratigraphy & Sedimentology | SE/005 |
| Geomorphology | SE/006 |
| Seismology | SE/007 |
| Economic Geology | SE/008 |
| Engineering Geology | SE/009 |
| Petroleum Geology | SE/010 |
| Mineralogy | SE/011 |
| Structural Geology | SE/012 |
| Volcanology | SE/013 |
| Sedimentology | SE/014 |
| Geochronology | SE/015 |
| Hydrology | SE/016 |
| Hydrogeology | SE/017 |
| Meteorology | SE/018 |
| Oceanography | SE/019 |
| Palaeontology | SE/020 |
| Micropalaeontology | SE/021 |
| Palaeobotany | SE/022 |
| Geology | SE/023 |
| Crystallography | SE/024 |
| Igneous Petrology | SE/025 |
| Sedimentary Petrology | SE/026 |
| Stratigraphy | SE/027 |
| Sequence Stratigraphy | SE/028 |
| Metamorphic Petrology | SE/029 |
| Geothermodynamics | SE/030 |
| Ichnology | SE/031 |
| Tectonics | SE/032 |
| Plate Tectonics | SE/033 |
| Neotectonic | SE/034 |
| Petrofabrics | SE/035 |
| Tectonophysics | SE/036 |
| Geodynamics | SE/037 |
| Seismic Stratigraphy | SE/038 |
| Isotope Geology | SE/039 |
| Subsurface Geology | SE/040 |
| Mineral Resources | SE/041 |
| Mineral Economics | SE/042 |
| Hydrodynamics | SE/043 |
| Marine Geology | SE/044 |
| Coastal Geology | SE/045 |
| Coastal Processes | SE/046 |
| Paleoclimatology | SE/047 |
| Environmental Geology | SE/048 |
| Quaternary Geology | SE/049 |
| Desert Geology | SE/050 |
| Geohazards | SE/051 |
| Morphodynamics | SE/052 |
| Morphotectonics | SE/053 |
| Geostatistics | SE/054 |
| Geomathematics | SE/055 |
| Geoinformatics | SE/056 |
| Geoprocessing | SE/057 |
| Geocomputation | SE/058 |
| Photogeology | SE/059 |
| Remote Sensing | SE/060 |
| Geographic Information Systems (GIS) | SE/061 |
| Geostandards | SE/062 |
| Analytical Geology | SE/063 |
| Archeological Geology | SE/064 |
| Planetary Geology | SE/065 |