Table S2. High resolution geochemical data from unit 3.

Depth / Greyscale / Magsus / Al / Si / K / Ti / Cu / Zr
m / SI 10e-6/g / wt% / wt% / wt% / wt% / ppm / ppm
263.420 / 100.4 / 12.1 / 4.68 / 41.3 / 2.07 / 0.230 / 31.8 / 149.3
263.431 / 110.1 / 3.1 / 4.13 / 41.7 / 1.81 / 0.160 / 18.3 / 110.3
263.442 / 113.5 / 10.1 / 4.30 / 42.6 / 1.81 / 0.169 / 21.0 / 118.7
263.453 / 91.6 / 5.0 / 3.93 / 43.2 / 1.47 / 0.122 / 21.0 / 93.4
263.464 / 99.6 / 5.0 / 4.01 / 41.3 / 1.79 / 0.147 / 22.8 / 107.2
263.476 / 101.2 / 4.3 / 3.96 / 42.1 / 1.59 / 0.119 / 17.4 / 92.4
263.487 / 96.7 / 3.4 / 4.23 / 41.3 / 1.61 / 0.157 / 21.9 / 106.1
263.498 / 82.2 / 4.9 / 4.20 / 42.1 / 1.61 / 0.146 / 24.6 / 106.1
263.509 / 92.3 / 3.5 / 4.53 / 39.6 / 1.89 / 0.208 / 39.9 / 146.2
263.521 / 59.1 / 4.0 / 6.11 / 34.6 / 2.52 / 0.312 / 185.6 / 183.0
263.532 / 100.0 / 4.5 / 6.83 / 35.8 / 2.81 / 0.333 / 58.8 / 192.5
263.543 / 138.4 / 4.0 / 7.45 / 36.7 / 3.06 / 0.384 / 44.4 / 210.5
263.554 / 133.8 / 4.1 / 7.02 / 37.0 / 2.88 / 0.343 / 37.2 / 194.6
263.566 / 125.5 / 2.7 / 5.48 / 40.0 / 2.33 / 0.219 / 24.6 / 131.4
263.577 / 124.5 / 4.2 / 5.07 / 41.6 / 2.26 / 0.165 / 22.8 / 106.1
263.588 / 132.4 / 2.5 / 5.10 / 40.4 / 2.34 / 0.188 / 21.9 / 115.6
263.599 / 75.9 / 4.6 / 5.37 / 38.5 / 2.16 / 0.258 / 45.3 / 143.0
263.610 / 54.6 / 5.4 / 7.33 / 32.8 / 2.84 / 0.407 / 228.8 / 235.7
263.622 / 101.6 / 3.6 / 5.23 / 41.6 / 2.16 / 0.199 / 28.2 / 117.7
263.633 / 91.3 / 3.2 / 5.03 / 39.6 / 2.12 / 0.198 / 26.4 / 116.6
263.644 / 63.3 / 3.5 / 4.86 / 39.0 / 1.91 / 0.206 / 50.7 / 127.2
263.655 / 62.7 / 4.6 / 3.37 / 20.0 / 1.36 / 0.239 / 139.7 / 167.8
263.667 / 51.4 / 6.7 / 7.83 / 29.2 / 2.96 / 0.376 / 266.2 / 225.2
263.678 / 77.3 / 4.0 / 6.68 / 38.0 / 2.80 / 0.279 / 98.4 / 162.0
263.689 / 87.1 / 6.5 / 4.89 / 40.4 / 2.02 / 0.181 / 35.4 / 115.6
263.700 / 104.6 / 3.0 / 4.35 / 42.1 / 1.78 / 0.175 / 29.1 / 113.5
263.711 / 92.4 / 3.9 / 2.80 / 28.5 / 1.19 / 0.150 / 26.1 / 104.7
263.723 / 82.6 / 3.3 / 4.52 / 40.3 / 1.87 / 0.193 / 58.8 / 123.7
263.734 / 103.3 / 3.2 / 4.67 / 40.7 / 2.08 / 0.192 / 29.1 / 125.1
263.745 / 87.7 / 3.6 / 4.98 / 40.8 / 1.93 / 0.185 / 42.6 / 129.3
263.756 / 75.5 / 2.7 / 6.81 / 36.8 / 2.58 / 0.266 / 129.8 / 170.4
263.768 / 63.3 / 4.0 / 6.30 / 35.6 / 2.57 / 0.269 / 144.2 / 179.9
263.779 / 93.5 / 3.1 / 5.93 / 38.1 / 2.40 / 0.243 / 90.3 / 160.9
263.790 / 108.0 / 3.2 / 5.96 / 40.6 / 2.31 / 0.212 / 35.4 / 141.9
263.801 / 63.0 / 5.2 / 7.62 / 32.9 / 2.77 / 0.297 / 183.8 / 216.8
263.812 / 127.0 / 4.4 / 8.67 / 33.3 / 3.51 / 0.407 / 51.6 / 284.2
263.824 / 154.7 / 3.9 / 9.28 / 35.6 / 3.66 / 0.395 / 21.9 / 280.0
263.835 / 157.1 / 4.5 / 8.32 / 35.1 / 3.45 / 0.353 / 25.5 / 261.0
263.846 / 153.2 / 4.5 / 8.52 / 34.0 / 3.57 / 0.404 / 24.6 / 290.6
263.857 / 84.3 / 4.1 / 4.69 / 39.1 / 1.93 / 0.185 / 80.4 / 141.9
263.869 / 102.4 / 3.5 / 4.24 / 40.3 / 1.83 / 0.158 / 28.2 / 117.7
263.880 / 133.7 / 3.6 / 4.44 / 41.8 / 1.94 / 0.144 / 27.3 / 109.3
263.891 / 109.2 / 3.5 / 4.34 / 40.8 / 1.91 / 0.147 / 30.0 / 112.4
263.902 / 84.3 / 2.1 / 4.73 / 41.2 / 1.86 / 0.172 / 42.6 / 119.8
263.913 / 56.1 / 4.0 / 6.22 / 34.7 / 2.44 / 0.267 / 183.8 / 173.6
263.925 / 80.5 / 3.9 / 4.95 / 39.1 / 2.07 / 0.242 / 80.4 / 145.1
263.936 / 117.5 / 3.4 / 4.30 / 41.6 / 1.85 / 0.148 / 34.5 / 108.2
263.947 / 96.4 / 3.5 / 4.69 / 42.7 / 1.94 / 0.155 / 38.1 / 111.4
263.958 / 140.1 / 2.2 / 4.85 / 42.4 / 1.93 / 0.143 / 19.2 / 104.0
263.970 / 114.4 / 0.8 / 4.96 / 40.4 / 2.10 / 0.142 / 24.6 / 110.3
263.981 / 139.6 / 3.7 / 8.69 / 31.4 / 3.65 / 0.668 / 45.3 / 370.7
263.992 / 129.2 / 1.2 / 5.32 / 39.4 / 2.26 / 0.189 / 22.8 / 118.7
264.003 / 129.4 / 1.5 / 5.19 / 41.4 / 2.08 / 0.152 / 21.0 / 101.9
264.014 / 132.4 / 3.7 / 6.23 / 37.0 / 2.68 / 0.302 / 55.2 / 174.6
264.026 / 140.6 / 2.7 / 6.61 / 37.8 / 2.78 / 0.240 / 36.3 / 151.4
264.037 / 129.6 / 6.1 / 6.89 / 36.6 / 2.82 / 0.348 / 62.4 / 202.0
264.048 / 154.3 / 2.3 / 5.88 / 39.2 / 2.56 / 0.260 / 30.0 / 153.5
264.059 / 124.9 / 1.6 / 5.83 / 39.6 / 2.41 / 0.221 / 39.9 / 137.7
264.071 / 98.7 / 2.1 / 6.11 / 40.5 / 2.30 / 0.214 / 62.4 / 138.8
264.082 / 135.6 / 2.0 / 6.44 / 41.1 / 2.59 / 0.235 / 39.9 / 147.2
264.093 / 126.1 / 12.3 / 6.01 / 39.5 / 2.51 / 0.218 / 42.6 / 140.9
264.104 / 58.5 / 3.9 / 7.66 / 32.7 / 3.01 / 0.355 / 192.8 / 218.9
264.116 / 56.9 / 5.1 / 8.18 / 30.9 / 3.26 / 0.387 / 203.6 / 256.8
264.127 / 118.9 / 3.4 / 7.29 / 38.8 / 2.79 / 0.359 / 60.6 / 215.7
264.138 / 133.5 / 2.7 / 5.44 / 40.2 / 2.40 / 0.208 / 30.9 / 144.0
264.149 / 110.6 / 1.9 / 4.80 / 41.5 / 2.00 / 0.164 / 28.2 / 116.6
264.160 / 89.6 / 3.5 / 5.10 / 40.0 / 2.05 / 0.185 / 50.3 / 123.0
264.172 / 58.2 / 2.3 / 6.15 / 34.6 / 2.42 / 0.317 / 263.8 / 210.5
264.183 / 100.2 / 9.4 / 5.08 / 39.9 / 2.12 / 0.178 / 36.3 / 124.0
264.194 / 134.9 / 2.6 / 5.10 / 39.0 / 2.18 / 0.191 / 27.3 / 134.6
264.205 / 140.3 / 3.5 / 6.20 / 37.6 / 2.48 / 0.292 / 39.0 / 188.3
264.217 / 64.9 / 3.6 / 7.31 / 35.2 / 2.70 / 0.388 / 130.7 / 231.5
264.228 / 143.7 / 3.3 / 6.45 / 40.3 / 2.63 / 0.249 / 25.8 / 160.6
264.239 / 127.2 / 4.1 / 6.27 / 40.8 / 2.57 / 0.231 / 30.0 / 149.3
264.250 / 103.6 / 4.1 / 7.62 / 35.1 / 3.10 / 0.379 / 41.7 / 213.6
264.261 / 56.9 / 3.5 / 7.10 / 34.0 / 2.95 / 0.332 / 135.2 / 197.8
264.273 / 138.9 / 4.2 / 4.88 / 41.5 / 2.07 / 0.180 / 24.6 / 121.9
264.295 / 127.1 / 7.6 / 4.82 / 42.4 / 2.07 / 0.187 / 26.4 / 125.1
264.306 / 117.1 / 3.3 / 4.28 / 41.5 / 1.76 / 0.150 / 22.8 / 108.2
264.318 / 122.5 / 31.0 / 4.21 / 42.6 / 1.67 / 0.119 / 21.0 / 95.6
264.329 / 117.5 / 2.9 / 4.37 / 42.3 / 1.71 / 0.138 / 23.7 / 101.9
264.340 / 105.2 / 3.5 / 4.70 / 42.6 / 1.88 / 0.167 / 30.9 / 111.4
264.351 / 130.5 / 2.6 / 5.90 / 40.7 / 2.46 / 0.253 / 22.8 / 159.9
264.362 / 143.1 / 3.8 / 5.56 / 42.2 / 2.28 / 0.199 / 25.5 / 139.8
264.374 / 133.7 / 3.4 / 5.08 / 41.1 / 2.22 / 0.179 / 21.9 / 133.5
264.385 / 131.3 / 2.9 / 5.31 / 41.2 / 2.24 / 0.180 / 22.8 / 132.4
264.396 / 125.7 / 2.9 / 5.75 / 40.0 / 2.35 / 0.219 / 39.9 / 158.8
264.407 / 133.9 / 3.2 / 4.97 / 40.4 / 2.09 / 0.155 / 21.9 / 126.1
264.419 / 136.7 / 3.0 / 5.50 / 39.2 / 2.39 / 0.214 / 28.2 / 157.7
264.430 / 138.8 / 2.3 / 5.88 / 39.7 / 2.47 / 0.213 / 31.8 / 171.5
264.441 / 64.7 / 3.4 / 6.72 / 38.0 / 2.51 / 0.246 / 95.7 / 204.1
264.452 / 117.4 / 3.5 / 9.18 / 34.7 / 3.77 / 0.411 / 41.7 / 306.4
264.463 / 54.3 / 4.4 / 7.98 / 31.5 / 3.24 / 0.362 / 205.4 / 284.2
264.475 / 106.7 / 3.2 / 7.41 / 37.1 / 2.97 / 0.303 / 60.6 / 211.5
264.486 / 141.1 / 3.9 / 7.11 / 37.9 / 2.92 / 0.278 / 48.9 / 189.4
264.497 / 142.1 / 2.9 / 7.34 / 36.6 / 3.06 / 0.317 / 46.2 / 210.5
264.508 / 51.2 / 3.1 / 7.66 / 31.2 / 3.00 / 0.308 / 190.1 / 228.4
264.520 / 98.0 / 5.6 / 5.31 / 41.5 / 2.09 / 0.211 / 43.5 / 147.2
264.532 / 121.1 / 3.4 / 5.10 / 41.4 / 2.11 / 0.177 / 38.1 / 128.2
264.544 / 122.2 / 2.3 / 4.84 / 42.5 / 1.94 / 0.149 / 37.2 / 113.5
264.556 / 132.9 / 3.8 / 4.80 / 41.9 / 2.01 / 0.170 / 33.6 / 117.7
264.568 / 76.9 / 3.5 / 5.14 / 39.7 / 1.89 / 0.258 / 92.1 / 155.6
264.580 / 101.3 / 3.3 / 5.04 / 41.8 / 1.88 / 0.165 / 26.4 / 125.1
264.592 / 118.8 / 9.7 / 4.79 / 42.1 / 1.89 / 0.152 / 21.0 / 112.4
264.604 / 100.2 / 2.4 / 4.60 / 43.2 / 1.76 / 0.150 / 30.0 / 109.3
264.616 / 63.1 / 4.4 / 6.15 / 34.6 / 2.19 / 0.270 / 285.0 / 194.6
264.627 / 128.5 / 1.4 / 4.98 / 42.3 / 2.05 / 0.168 / 30.0 / 115.6
264.639 / 113.0 / 2.1 / 5.08 / 41.3 / 2.06 / 0.162 / 20.1 / 117.7
264.651 / 120.1 / 2.3 / 5.36 / 41.8 / 2.13 / 0.170 / 18.3 / 123.0
264.663 / 92.7 / 4.4 / 6.67 / 37.0 / 2.55 / 0.281 / 91.2 / 177.8
264.675 / 145.5 / 3.0 / 7.17 / 37.3 / 2.94 / 0.290 / 21.0 / 185.2
264.687 / 137.2 / 1.9 / 6.99 / 39.0 / 2.80 / 0.250 / 22.8 / 169.3
264.699 / 144.5 / 2.7 / 7.04 / 41.0 / 2.70 / 0.216 / 18.3 / 144.0
264.711 / 62.1 / 3.4 / 6.17 / 33.9 / 2.36 / 0.279 / 201.8 / 188.3
264.723 / 109.8 / 7.4 / 4.71 / 43.1 / 1.88 / 0.159 / 30.0 / 118.7
264.746 / 112.6 / 3.3 / 6.82 / 39.5 / 2.74 / 0.265 / 63.3 / 169.3
264.758 / 54.0 / 3.6 / 8.29 / 29.6 / 3.02 / 0.430 / 323.6 / 281.6
264.770 / 110.2 / 3.9 / 5.88 / 41.0 / 2.32 / 0.263 / 50.7 / 154.6
264.782 / 99.5 / 3.5 / 5.21 / 41.4 / 2.11 / 0.168 / 33.6 / 113.5
264.794 / 114.0 / 4.4 / 5.22 / 41.7 / 2.15 / 0.187 / 27.3 / 119.8
264.806 / 65.5 / 2.8 / 7.65 / 32.2 / 2.92 / 0.442 / 145.6 / 237.9
264.818 / 117.3 / 3.4 / 7.57 / 38.2 / 2.96 / 0.323 / 48.9 / 187.3
264.830 / 143.9 / 2.8 / 7.02 / 38.2 / 2.98 / 0.285 / 34.5 / 168.3
264.842 / 57.6 / 3.0 / 6.50 / 38.0 / 2.33 / 0.290 / 81.3 / 170.4
264.854 / 61.5 / 2.8 / 7.52 / 30.0 / 2.97 / 0.411 / 173.6 / 229.1
264.866 / 118.2 / 1.5 / 5.17 / 42.1 / 2.08 / 0.204 / 25.5 / 125.1
264.877 / 103.1 / 2.4 / 4.85 / 42.8 / 1.91 / 0.163 / 21.9 / 110.3
264.889 / 94.5 / 2.9 / 4.89 / 41.8 / 1.92 / 0.172 / 28.2 / 114.5
264.901 / 90.0 / 3.2 / 5.75 / 40.4 / 2.18 / 0.197 / 52.5 / 129.3
264.913 / 59.4 / 3.6 / 7.09 / 35.2 / 2.72 / 0.337 / 95.7 / 194.6
264.925 / 86.3 / 2.9 / 6.19 / 40.0 / 2.33 / 0.216 / 57.9 / 136.7
264.937 / 83.0 / 3.3 / 7.06 / 38.5 / 2.63 / 0.298 / 57.0 / 183.0
264.949 / 63.8 / 3.5 / 8.06 / 35.8 / 2.88 / 0.333 / 139.7 / 205.2
264.961 / 76.5 / 1.3 / 6.31 / 39.5 / 2.46 / 0.243 / 63.3 / 154.6
264.973 / 90.4 / 1.9 / 6.10 / 40.0 / 2.44 / 0.244 / 49.8 / 154.6
264.985 / 87.9 / 3.9 / 6.85 / 39.4 / 2.59 / 0.288 / 58.8 / 165.1
264.996 / 74.3 / 3.9 / 7.41 / 38.2 / 2.85 / 0.296 / 68.7 / 174.6
265.008 / 118.4 / 3.5 / 7.38 / 38.9 / 3.00 / 0.332 / 40.8 / 182.0
265.020 / 57.8 / 4.2 / 7.23 / 31.5 / 2.74 / 0.382 / 243.1 / 228.9
265.032 / 116.5 / 3.0 / 5.79 / 40.3 / 2.47 / 0.239 / 29.1 / 143.0
265.044 / 78.2 / 4.4 / 5.97 / 41.7 / 2.26 / 0.215 / 50.7 / 136.7
265.056 / 58.0 / 2.7 / 7.27 / 31.6 / 2.79 / 0.353 / 150.1 / 208.3
265.068 / 63.8 / 3.5 / 6.85 / 37.2 / 2.55 / 0.281 / 105.6 / 179.9
265.080 / 112.3 / 2.1 / 5.70 / 40.7 / 2.33 / 0.219 / 31.8 / 136.7
265.092 / 91.9 / 3.2 / 5.99 / 42.0 / 2.30 / 0.193 / 39.0 / 134.6
265.104 / 63.3 / 3.0 / 6.44 / 36.0 / 2.36 / 0.296 / 155.0 / 184.1
265.116 / 91.1 / 1.9 / 6.05 / 39.9 / 2.37 / 0.224 / 49.8 / 149.3
265.127 / 108.4 / 2.7 / 5.90 / 39.8 / 2.41 / 0.217 / 35.4 / 146.2
265.139 / 137.4 / 3.2 / 5.84 / 39.6 / 2.39 / 0.202 / 24.6 / 143.0
265.151 / 70.4 / 4.5 / 7.97 / 33.7 / 3.10 / 0.415 / 108.3 / 265.3
265.163 / 92.1 / 3.1 / 7.70 / 37.8 / 3.03 / 0.262 / 51.6 / 201.0
265.175 / 111.8 / 3.1 / 7.22 / 39.4 / 2.83 / 0.228 / 30.9 / 153.5
265.187 / 65.1 / 3.6 / 7.74 / 36.2 / 2.87 / 0.283 / 91.2 / 186.2
265.199 / 56.9 / 2.8 / 8.27 / 31.9 / 3.07 / 0.355 / 195.9 / 228.4
265.211 / 116.1 / 2.9 / 8.49 / 36.6 / 3.18 / 0.399 / 49.8 / 231.5
265.223 / 89.3 / 3.5 / 6.38 / 39.7 / 2.25 / 0.237 / 58.8 / 145.1
265.235 / 118.0 / 4.1 / 6.01 / 41.6 / 2.25 / 0.202 / 18.3 / 131.4
265.246 / 125.5 / 3.3 / 6.08 / 41.0 / 2.33 / 0.206 / 18.3 / 132.4
265.258 / 104.7 / 3.7 / 7.02 / 38.1 / 2.65 / 0.335 / 23.7 / 180.9
265.270 / 89.1 / 4.6 / 8.01 / 34.6 / 2.97 / 0.362 / 68.7 / 202.0
265.282 / 122.4 / 4.7 / 8.21 / 36.1 / 3.09 / 0.389 / 30.9 / 216.8
265.294 / 141.0 / 4.3 / 7.13 / 36.5 / 2.82 / 0.355 / 21.0 / 196.7
265.306 / 133.9 / 4.6 / 7.12 / 34.8 / 2.74 / 0.462 / 27.9 / 250.5
265.318 / 147.4 / 5.1 / 4.86 / 41.7 / 2.05 / 0.202 / 11.1 / 120.9
265.330 / 139.2 / 4.5 / 4.66 / 42.1 / 2.01 / 0.187 / 10.2 / 109.3
265.342 / 137.9 / 4.3 / 4.21 / 42.1 / 1.69 / 0.152 / 12.9 / 98.7
265.354 / 119.6 / 4.6 / 4.05 / 41.3 / 1.67 / 0.174 / 12.9 / 97.7
265.366 / 118.2 / 4.1 / 4.06 / 40.4 / 1.70 / 0.157 / 16.5 / 99.8
265.377 / 135.9 / 7.4 / 3.74 / 41.4 / 1.62 / 0.147 / 10.2 / 93.4
265.389 / 118.4 / 3.6 / 4.04 / 41.2 / 1.65 / 0.150 / 11.1 / 94.5
265.401 / 109.2 / 4.8 / 4.15 / 42.5 / 1.54 / 0.143 / 18.3 / 92.4
265.413 / 51.0 / 3.2 / 5.84 / 32.8 / 2.16 / 0.291 / 213.7 / 173.3
265.425 / 131.1 / 3.0 / 4.87 / 42.1 / 1.96 / 0.214 / 13.8 / 123.0
265.437 / 139.0 / 4.2 / 4.91 / 42.9 / 1.93 / 0.207 / 12.9 / 126.1
265.449 / 100.5 / 3.4 / 4.56 / 43.4 / 1.75 / 0.158 / 12.0 / 97.7
265.461 / 83.6 / 3.5 / 4.53 / 42.1 / 1.63 / 0.162 / 28.2 / 105.0
265.473 / 58.0 / 3.9 / 6.08 / 37.1 / 2.23 / 0.273 / 117.2 / 156.7
265.485 / 98.3 / 3.0 / 4.55 / 42.1 / 1.85 / 0.155 / 21.9 / 96.6
265.496 / 134.9 / 4.1 / 7.19 / 36.4 / 2.93 / 0.347 / 31.8 / 192.5
265.508 / 56.0 / 4.9 / 6.60 / 33.1 / 2.40 / 0.319 / 180.4 / 184.4