An introduction to the special issue of the BSGF - Insights into the geology and paleontology of Siberia from French-Siberian collaboration in Earth SciencesTaniel Danelian, Marc Jolivet and Dmitri IonovBull. Soc. géol. Fr., 188 1-2 (2017) E1DOI: https://doi.org/10.1051/bsgf/2017001