Jenkyns, Gröcke, and Hesselbo, Paleoceanography 16, pp. 593-603 Lower Jurassic Stable Isotope and Chemical Data "Pliensbachian-Toarcian, Mochras Borehole, Gwynedd, Wales, Cardigan Bay Basin" Sample ID Height (m) d13Corg d13Ccarb d15Ntotal wt%TOC 1981/4-1986/4 604.67 -27.19 2.69 -1.37 2021/1-2025/0 616.62 -25.98 1.54 -1.82 2039/5-2044/3 622.35 -26.42 2.18 -0.31 0.91 2054/1-2059/2 626.86 -26.82 1.26 -0.09 2083/3-2087/10 635.67 -26.77 2.15 0.33 1.1 2101/11-2106/11 641.43 -27.35 0.32 0.23 2116/2-2121/0 645.74 -27.4 1.49 -0.43 1.07 2144/3-2149/0 654.29 -27.79 1.378 -0.96 2163/3-2168/2 660.11 -27.37 2.06 -1.11 1.06 2187/4-2192/0 667.41 -27.89 2.1 -0.1 2215/6-2220/4 676.02 -27.14 1.69 -0.67 0.9 2229/11-2234/8 680.4 -27.69 -0.36 -0.98 2248/6-2252/9 685.99 -28.22 1.78 -1.69 1.62 2276/4-2281/0 694.54 -28.88 -1.51 2304/11-2309/9 703.28 -28.22 2 0.14 1.52 2336/0-2340/8 712.72 -27.22 1.93 0.6 2354/9-2359/5 718.44 -27.09 2.14 -0.38 0.8 2373/9-2378/6 724.24 -27.07 2.01 0.08 2392/3-2397/3 729.92 -28.23 2.37 -1.27 1.22 2415/11-2420/8 737.1 -28 1.78 -0.95 2434/6-2438/11 742.71 -28.5 2.75 -1.68 2.1 2453/6-2458/0 748.51 -27.55 2.6 -0.4 2466/10-2471/6 752.6 -27.24 2.56 -1.53 1.13 2481/2-2486/2 757.02 -26.66 2.37 -2.05 2505/9-2510/7 764.49 -26.9 2.08 -1.57 1.31 2525/0-2529/7 770.32 -26.6 1.48 -2.59 2543/7-2548/2 775.98 -25.95 2.21 -3.09 0.71 2552/11-2557/8 778.85 -25.48 2.45 -2.49 2570/5-2575/3 784.2 -25.37 2.485 -0.79 0.67 2584/8-2589/3 788.51 -26.08 2.24 -1.16 2598/10-2603/7 792.85 -24.44 2.59 -1.78 1.22 2613/0-2617/7 797.14 -25.57 1.7 -1.69 2617/7-2623/3 798.7 -25.58 1.09 -2 0.54 2622/3-2626/11 799.97 -25.04 2.43 -2 2629/11-2631/5 801.83 -24.1 1.26 -1.62 0.87 2633/5-2635/6 802.98 -25.96 1.62 -1.13 2635/6-2640/0 803.99 -25.81 1.25 -1.52 0.56 2640/0-2644/11 805.42 -25.61 1.16 -1.36 2644/11-2649/7 806.88 -27.97 -1 -0.5 1.54 2649/7-2654/4 808.32 -26.86 -0.14 -1.32 2654/4-2658/10 809.73 -27.31 -0.69 -0.99 1.17 2658/10-2663/10 811.17 -27.45 -0.81 -0.76 2663/10-2668/5 812.63 -29.56 -0.2 -1.09 2.62 2668/5-2673/3 814.07 -28.23 -0.27 -0.68 2673/3-2678/0 815.53 -29.47 -0.4 -0.45 2.16 2678/0-2682/10 816.99 -30.12 -4.16 1.43 2682/10-2687/5 818.43 -29.45 -3.766 1.69 1.11 2687/6-2692/4 819.89 -29.86 -2.3 2.11 2692/4-2697/3 821.37 -29.6 -1.87 2.38 1.77 2697/0-2701/9 822.77 -30.86 -0.73 1.95 2701/9-2706/7 824.23 -29.32 -1.55 1.71 1.11 2706/7-2711/3 825.68 -29 -1.9 1.13 2711/3-2716/2 827.14 -27.72 -1.59 1.28 1.03 2716/3-2720/6 828.56 -28.3 -0.03 1.53 2720/6-2725/6 829.97 -28.88 -0.6 1.16 0.57 2725/6-2730/6 831.49 -27.24 0.71 0.13 2730/6-2735/6 833.02 -27.71 1.71 0.21 0.56 2735/0-2739/9 834.35 -25.75 1.51 0.41 2739/2-2744/8 835.74 -25.62 1.43 0.02 0.77 2746/9-2751/7 837.95 -24.63 2.04 -0.61 2751/7-2756/4 839.41 -24.22 1.9 -1.24 0.96 2756/4-2761/5 840.91 -24.21 2.16 -2.17 2793/1-2797/2 851.95 -25.09 1.65 -1.85 0.9 2826/6-2830/10 862.18 -26.29 0.46 -0.98 2830/10-2835/5 863.54 -26.26 0.878 -1.49 1.28 2849/4-2854/1 869.2 -26.44 1.16 -1.15 2882/10-2887/5 879.39 -28.17 1.04 -0.69 1.14 2892/0-2896/6 882.17 -27.19 1.51 -0.86 2919/10-2924/6 890.68 -27.5 2.15 -2.39 0.77 2938/6-2942/11 896.33 -28.27 2.07 -2.18 2956/8-2961/5 901.92 -28.7 1.737 -2.97 0.98