Sample ID Sediment Depth (cm) Sr/Ca (E-3) Mg/Ca (E-3) 18O PDB 13C PDB % Organic % CaCO3 % Inorg. ELK-1 4 0.349 22.14 -1.06 1.65 9.94 23.27 66.79 ELK-2 20 0.432 14.98 -0.59 1.43 9.51 24.19 66.30 ELK-3 36 0.586 14.80 8.73 23.84 67.43 ELK-4 52 0.441 15.36 0.18 1.50 10.14 25.79 64.06 ELK-5 68 0.696 11.67 -0.57 0.80 8.46 26.30 65.25 ELK-6 84 0.610 24.03 -0.71 3.59 15.96 28.20 55.83 ELk-7 104 0.562 12.97 -0.62 0.82 11.31 25.65 63.04 ELK-8 120 9.69 27.03 63.28 ELK-9 136 0.575 10.43 16.95 23.82 59.22 ELK-10 152 19.93 22.66 57.40 ELK-11 168 0.547 10.91 -0.58 2.46 18.53 23.77 57.70 ELK-12 184 0.408 19.08 13.73 25.65 60.62 ELK-12.5 200 0.514 11.59 -0.41 1.62 10.70 25.76 63.54 ELK-13 214 0.324 18.86 0.42 2.88 14.65 24.96 60.39 ELK-14 230 0.409 15.55 -1.44 1.59 11.87 24.86 63.27 ELK-15 246 0.418 26.24 -1.01 3.48 17.55 25.33 57.12 ELK-16 262 0.376 21.18 -1.45 1.43 14.99 24.78 60.23 ELK-17 278 0.327 19.77 -0.28 2.06 12.66 22.98 64.36 ELK-18 294 0.327 22.64 -0.82 1.95 10.18 26.26 63.56 ELK-19 310 0.338 19.75 -0.35 1.29 8.54 24.36 67.10 ELk-20 326 0.409 16.37 -0.10 0.18 7.17 24.07 68.75 ELK-21 342 0.357 20.35 -1.10 1.15 10.96 24.03 65.00 ELK-22 358 0.349 24.30 -1.32 1.69 10.97 25.20 63.83 ELK-23 374 0.307 29.90 -1.07 2.36 14.88 27.57 57.55 ELK-24 390 0.307 23.58 -0.96 1.82 10.89 27.05 62.05 ELK-25 408 15.16 30.38 54.46 ELK-26 424 0.364 14.81 -0.81 0.16 7.28 24.11 68.60 ELK-27 440 0.299 26.53 -1.63 1.99 10.10 27.04 62.86 ELK-27.5 448 0.348 21.84 -1.34 0.42 ELK-28 456 0.350 36.09 -3.38 1.32 9.77 27.97 62.26 ELK-28.5 464 0.416 25.14 ELk-29 472 0.381 21.37 -0.42 0.25 7.23 25.01 67.76 ELK-30 488 0.378 19.37 -0.86 -0.13 8.48 24.31 67.21 ELK-31 504 0.339 20.91 -0.56 0.98 9.64 26.48 63.88 ELK-32 520 0.377 16.54 -1.13 0.20 9.09 24.93 65.98 ELK-33 536 0.371 16.95 -0.68 0.71 8.27 25.02 66.71 ELK-34 552 0.305 13.53 -0.33 0.83 10.81 23.16 66.03 ELK-35 568 0.338 55.16 -2.13 2.91 9.37 25.75 64.88 ELK-36 584 0.350 21.76 -2.03 1.12 7.92 25.06 67.01 ELK-37 604 0.428 32.84 -1.09 1.73 5.97 26.19 67.83 ELK-38 620 0.395 18.75 -0.93 1.06 5.75 25.29 68.96 ELK-39 636 0.387 18.04 0.14 0.61 6.23 26.04 67.73 ELK-40 652 0.388 23.60 -0.60 1.83 5.66 26.74 67.60 ELK-41 668 0.363 22.94 -0.99 1.60 5.45 26.51 68.04 ELK-42 684 5.07 26.56 68.36 ELK-43 704 0.419 18.21 5.95 24.04 70.01 ELK-44 720 0.491 15.73 0.49 0.63 6.50 22.39 71.11 ELK-45 736 0.334 30.43 -0.67 1.11 10.10 24.63 65.27 ELK-46 752 0.307 23.64 -0.11 1.13 7.16 25.09 67.76 ELK-47 768 0.352 41.92 -1.12 2.07 9.22 24.34 66.44 ELK-48 784 0.363 23.30 -1.37 1.13 10.46 20.02 69.52 ELK-49 812 0.676 41.68 -2.46 1.83 15.24 35.66 49.10 ELK-49.5 820 0.371 30.24 -1.04 1.23 ELK-50 828 0.961 42.03 -4.46 -1.04 11.67 28.00 60.33 ELK-50.5 836 0.537 45.62 -0.60 2.72 ELK-51 844 0.567 45.09 -2.50 0.31 14.82 33.65 51.54 ELK 51.5 852 0.960 27.21 -2.77 -1.66 ELK-52 860 0.571 39.96 4.69 3.24 9.46 28.68 61.86 ELK 52.5 868 0.563 40.11 -1.41 2.01 ELK-53 888 0.742 42.01 -2.23 1.36 9.54 29.28 61.18 ELK-54 904 0.481 21.85 -1.60 2.16 7.75 26.24 66.01 ELK-55 920 0.733 39.41 -1.31 1.24 11.55 31.16 57.29 ELK-56 936 0.471 28.08 -1.48 -0.54 9.60 31.50 58.91 ELK-57 955 0.600 28.13 -3.37 -0.91 6.26 22.95 70.80 ELK-57.5 963 0.447 36.81 -1.08 1.80 ELK-58 971 0.662 52.10 -1.17 2.96 7.05 24.23 68.73 ELK-58.5 979 ELK-59 987 0.395 17.82 0.37 1.63 5.55 25.15 69.30 ELK-59.5 995 0.456 13.03 0.66 2.07 ELK-60 1003 6.16 20.51 73.33 ELK-60.5 1011 ELK-61 1019 -3.18 0.86 11.74 26.34 61.91 ELK-62 1037 0.758 40.11 -1.52 0.95 12.64 28.55 58.81 ELK-63 1053 0.997 38.70 -2.23 0.65 14.70 27.67 57.63 ELK-64 1069 0.915 45.16 -1.85 0.46 10.73 26.89 62.39 ELK-64.5 1077 0.736 34.22 ELK-65 1085 0.282 19.26 1.16 1.85 10.82 23.07 66.10 ELK-65.5 1093 1.069 37.58 -1.28 0.58 ELK-66 1101 1.200 41.66 -0.22 1.40 10.23 30.33 59.44 ELK-67 1126 0.701 42.00 -1.34 1.56 9.55 28.19 62.26 ELK-67.5 1134 0.336 18.21 ELK-68 1142 0.590 29.20 -3.54 0.88 8.57 24.99 66.44 ELK-68.5 1150 1.088 43.96 ELK-69 1158 0.448 30.69 -0.77 1.57 8.21 24.68 67.11 ELK-70 1174 1.033 31.89 -1.25 -0.17 12.31 29.77 57.91 ELK-71 1190 0.422 34.17 -0.53 0.80 7.98 26.66 65.36 ELK-72 1206 0.398 24.68 0.15 1.36 9.96 23.62 66.42 ELK 73 1234 7.98 23.38 68.65 ELK-73.5 1242 0.795 23.79 0.29 -0.08 ELK-74 1250 0.502 42.26 -3.34 1.84 6.71 25.00 68.29 ELK-74.5 1258 0.315 20.95 0.53 0.80 ELK-75 1266 0.470 41.34 -0.88 0.30 7.93 25.70 66.37 ELK-75.5 1274 0.373 25.74 0.88 -0.02