Simplified cross-section illustrating internal structure and inferred stratigraphy of the South Chukchi and North Chukchi basins. Simplified cross-section.

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Presentation transcript:

Simplified cross-section illustrating internal structure and inferred stratigraphy of the South Chukchi and North Chukchi basins. Simplified cross-section illustrating internal structure and inferred stratigraphy of the South Chukchi and North Chukchi basins. Based on seismic data acquired and published by DMNG and TGS-Nopec (Petrovskaya et al. 2008; Verzhbitsky et al. 2008) and ERS-2 gravity data. Location is given in Figures 3 and 15. The bold numbers are indexes of the seismic sequences in the South Chukchi Basin after Tolson (1987). The alpha-numeric indexes CS-1 through CS-6 denote seismic sequences identified in the North Chukchi and the New Siberian–Wrangel basins (see text for further details). LCU, Lower Cretaceous Unconformity; MBU, Mid Brookian Unconformity. NSWFB denotes the New Siberian–Wrangel Foreland Basin. Geological Society of London Petroleum Geology Conference series 2010;7:1-6 © Petroleum Geology Conferences Ltd. Published by the Geological Society, London