Relay structures in a Lower Permian basement-involved extension system,East Greenland |
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| Institution: | 1. Ecole Nationale Supérieure des Mines, SPIN-EMSE, CNRS:UMR 5307, LGF, 42023 Saint-Etienne, France;2. IFP Energies nouvelles, Rond-point de l’échangeur de Solaize BP3, 69360 Solaize, France;1. Geological Survey of India, GHRM Centre, Geodynamic Studies Division, 15 A&B Kyd Street, Kolkata 700016, India;2. Geological Survey of India, Central region, SU: MP, E5 Area Colony, Bhopal, MP 46201, India;1. Department of Mechanical Science and Engineering, Nagoya University, Nagoya 464-8603, Japan;2. Research Fellow of the Japan Society for the Promotion of Science, Japan;3. Institute of Fluid Science, Tohoku University, Sendai 980-0812, Japan;1. Geology Division, School of Science and Technology, University of Camerino, Via Gentile III da Varano, Camerino (MC) 62032, Italy;2. Department of Geology and Petroleum Geology, School of Geosciences, University of Aberdeen, King''s College, Aberdeen AB24 3FX, United Kingdom;3. Department of Sciences, University of Basilicata, Via Nazario Sauro, 85, Potenza 85100, Italy |
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| Abstract: | Extensional relay structures are described as offset listric faults having the same subhorizontal detachment in depth. The extension along one fault is transferred or relayed across a relay ramp defined between the tip-lines of the offset faults. The relay ramp interconnects the hangingwall and the footwall during deformation. An example of a crystalline basement-involved symmetrical relay system is described from the Lower Permian in the Karstryggen area, East Greenland. |
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