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Fig. 2. Log correlation of the eight tectono-stratigraphic sequences and the associated sub-units in the six wells in the North Falkland Basin.Gamma-ray log scale on each well is from 0 to 150 API, sonic log scale is from 140 to 40 microsecs/ft. The Late Jurassic to Early Cretaceous lacustrine claystone that forms the primary source rock interval in the basin is shaded grey. See Fig.1 for location of wells.