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Organic matter (OM) accounts for only a small proportion of sedimentation. Unlike other deposited particles, it can evolve rapidly during burial by interacting with the grains of the host rock and producing fluids (gases and liquids) that are highly mobile. Due to its degradation by bacteria, its preservation depends on many parameters, but above all on the fine grain size of the grains deposited at the same time. Thus, clays represent the most favorable environment for the preservation of OM, but their complex mineralogy makes them a special material that will also transform during burial. The products of their interactions have naturally been of interest to the mining and oil industries, since these processes are responsible for the formation of large coal deposits and the production of hydrocarbons. Recently, however, studies have increasingly focused on these two elements as tracers of the origin of sediments and as markers of burial, which is of major interest in understanding the filling of basins and their post-depositional evolution.

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Mineral deposits, exploration techniques, geostatistics, mining economics. The training focuses mainly on presentations by professionals (mining and quarrying). Two days of fieldwork illustrate certain exploration methods, notably through the study of uranium and gypsum mineralization.

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