Geology Géologie 38 Earth sciences 26 Geologie 16 Geophysics 13 Paleontology 13 Geology - General 12 Mines and mineral resources 11 Petroleum 9 Paléontologie 8 Sciences de la terre 8 Earth and Planetary Sciences 7 Engineering and Technology 7 Geologia 7 Physical Sciences 7 Geology, Stratigraphic 6 Mathematics 6 Aardwetenschappen 5 Environmental sciences 5 Geography 5 Geology and Geophysics 5 Mineralogy 5 geology 5 Biology 4 Chemistry 4 Geología 4 Geomorphology 4 Geowissenschaften 4 Hydrology 4 Petrology 4