Data for: Late Jurassic–Early Cretaceous climate change record in clay minerals of the Norwegian-Greenland Seaway

001 Kaolinite : 001 illite ratios and associated ages (from Turner et al. 2019) from wells 16/1-14 (2373.80 m - 2409.7 m), 16/3-4 (1915.18 m - 1926.45 m), 7120/2-3 (2002.45 m - 2020.5 m), 6406/12-2 (3731 m - 3758 m) and 33/12-10 (2944.75 m - 2969.95 m).