Ore deposits G�ites min�eraux 16 NATURE 13 Natural Resources 13 Rocks & Minerals 13 Gîtes minéraux 9 Geology 6 Petrology 4 petrology 4 G�eologie 3 Géologie 3 Mines and mineral resources 3 P�etrologie 3 S�edimentation (G�eologie) 3 Sedimentation and deposition 3 TECHNOLOGY & ENGINEERING 3 Earth Sciences 2 Geochemical prospecting 2 Geology, Economic 2 Geology, Stratigraphic 2 Géologie économique 2 Gisements 2 M�etallog�enie 2 Mines 2 Mining 2 Petroleum 2 Precambrian Geologic Period 2 Prospection g�eochimique 2 SCIENCE 2 Stratigraphie 2