Crust and mantel "Core complexes"

A little history of science on understanding lithospheric extension and intracontinental deformation. A contribution from the field work and analogue and numerical modeling at Geosciences Rennes

JP Brun and J Van Den Driessche

The October 2018 article by Jean-Pierre Brun (Geosciences Rennes), which also associates Jean Van Den Driessche, is a "guest magazine" of a special issue of the journal Tectonophysics dedicated to the memory of Evgenii Burov, editor-in-chief of this journal brutally deceased in 2015. The article reviews the field work and analogue and numerical modeling, carried out in particular by researchers from Geosciences Rennes since the late 1980s, on the development of “complex core” by repositioning the results obtained in the historical context of international research on this topic.
The discovery of complex cores at the turn of the 1970s and 1980s, first in the Basin and Range Province, a very large area of continental tertiary extension in the western United States of America, and then in almost all the phanerozoic mountain ranges, was a true conceptual and methodological revolution for our understanding of lithospheric extension and intracontinental deformation.

Référence : Crustal versus mantle core complexes. Brun J.-P., Sokoutis D., Tirel C., Gueydan F., Van den Driessche J., et al. Tectonophysics, 2018, 746: 22-45. Doi : 10.1016/j.tecto.2017.09.017

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