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Table T1. Element oxide composition. (See table notes.)

Core, section,
interval (cm)		 Structure Major element oxides (wt%)
SiO2 Al2O3 CaO Na2O K2O BaO SrO Total
309-1256D-
136R-1, 4–6 1-adjacent to CM 64.137 19.82 6.012 10.314 0.067 0.023 0 100.373
136R-1, 4–6 1-adjacent to CM 57.221 17.795 20.331 4.252 0.175 0 0 99.774
136R-1, 4–6 1-adjacent to CM 64.419 18.155 0.677 1.755 14.112 0.286 0.013 99.417
136R-1, 4–6 1-adjacent to CM 65.275 18.262 0.066 0.196 16.188 0.289 0.043 100.319
136R-1, 4–6 1-adjacent to CM 68.778 19.69 0.553 9.978 1.752 0.081 0.039 100.871
136R-1, 4–6 1-adjacent to CM 65.717 18.217 0.038 0.118 16.228 0.267 0.067 100.652
136R-1, 4–6 1-adjacent to CM 59.583 24.326 6.721 7.482 0.151 0.088 0.027 98.378
136R-1, 4–6 1-adjacent to CM 62.092 21.677 4.094 3.741 7.841 0.178 0.01 99.633
136R-1, 4–6 1-adjacent to CM 64.788 17.988 0.129 0.384 15.566 0.358 0.067 99.28
136R-1, 4–6 1-adjacent to CM 65.424 21.13 2.549 9.581 — 0.045 0.06 98.789
136R-1, 4–6 2-adjacent to CM 64.605 18.554 0.701 1.472 13.44 0.245 0.026 99.043
136R-1, 4–6 2 adjacent to CM 65.152 17.792 0.077 0.15 16.111 0.236 0.035 99.553
136R-1, 4–6 2-adjacent to CM 59.506 24.828 7.01 7.117 0.016 0.002 0.014 98.493
136R-1, 4–6 2-adjacent to CM 64.927 21.457 2.829 9.306 0.164 0 0 98.683
136R-1, 4–6 2-adjacent to CM 54.179 28.575 12.161 3.704 0.107 0.068 0 98.794
136R-1, 4–6 3-adjacent to CM 67.023 20.18 1.246 9.781 0.454 0.032 0 98.716
136R-1, 4–6 3-adjacent to CM 68.383 20.251 1.169 10.32 0.062 0.009 0.025 100.219
136R-1, 4–6 3-adjacent to CM 64.601 18.271 0.064 0.154 16.143 0.24 0 99.473
136R-1, 4–6 3-adjacent to CM 63.018 20.342 2.36 2.771 10.668 0.172 0 99.331
136R-1, 4–6 3-adjacent to CM 64.797 18.722 0.146 2.331 13.126 0.53 0.117 99.769
136R-1, 4–6 3-adjacent to CM 65.151 18.257 0.114 0.339 15.602 0.257 0 99.72
136R-1, 4–6 3-adjacent to CM 64.884 18.215 0.058 0.13 16.268 0.248 0 99.803
136R-1, 4–6 4-adjacent to CM 64.87 18.148 0.014 — 16.107 0.136 0.017 99.292
136R-1, 4–6 4-adjacent to CM 65.191 18.173 0.004 — 16.207 0.09 0 99.665
136R-1, 4–6 4-adjacent to CM 65.271 18.164 0.009 — 16.212 0.076 0 99.732
136R-1, 4–6 4-adjacent to CM 64.927 18.105 0.013 — 16.242 0.057 0.02 99.364
136R-1, 4–6 4-adjacent to CM 49.834 30.944 14.885 2.661 0.04 0 0 98.364
136R-1, 4–6 4-adjacent to CM 68.525 19.555 0.222 10.875 0.061 0 0 99.238
136R-1, 4–6 4-adjacent to CM 69.363 20.031 0.823 10.121 0.152 0 0 100.49
136R-1, 4–6 4-adjacent to CM 65.685 18.618 0.027 — 16.488 0.363 0.002 101.183
136R-1, 4–6 4-adjacent to CM 65.565 18.15 0.049 — 16.44 0.253 0.024 100.481
136R-1, 4–6 4-adjacent to CM 65.718 19.891 0.211 3.907 9.705 1.209 0 100.641
136R-1, 4–6 4-adjacent to CM 65.321 18.232 0.054 — 16.395 0.283 0 100.285
136R-1, 4–6 4-adjacent to CM 67.341 21.137 1.725 10.15 0.084 0 0.018 100.455
136R-1, 4–6 4-adjacent to CM 68.585 20.999 1.293 10.434 0.061 0 0.033 101.405
161R-2, 6–8 5-within CM 65.759 17.864 0.419 — 15.953 0.078 0 100.073
161R-2, 6–8 5-within CM 70.009 19.869 0.314 10.584 0.96 0 0 101.736
161R-2, 6–8 5-within CM 68.749 20.705 1.693 10.355 0.088 0 0 101.59
161R-2, 6–8 5-within CM 65.465 18.229 0.025 0.355 15.752 0.109 0 99.935
161R-2, 6–8 5-within CM 64.554 18.063 0.028 — 16.285 0.332 0 99.262
161R-2, 6–8 5-within CM 68.213 19.754 0.731 10.635 0.124 0 0 99.457
161R-2, 6–8 5-within CM 68.632 19.82 0.579 10.713 0.129 0 0 99.873
161R-2, 6–8 5-within CM 65.459 21.269 1.159 7.904 3.179 0.055 0.01 99.035
161R-2, 6–8 6-within CM 64.182 17.829 0.04 — 16.131 0.067 0.01 98.259
161R-2, 6–8 6-within CM 65.943 18.282 0.037 — 16.453 0.078 0.008 100.801
161R-2, 6–8 6-within CM 65.862 18.371 0.136 1.095 15.434 0.143 0.037 101.078
161R-2, 6–8 6-within CM 65.12 18.324 0.027 0.197 16.275 0.345 0.054 100.342
161R-2, 6–8 6-within CM 68.351 20.027 0.959 11.06 0.033 0 0.01 100.44
161R-2, 6–8 6-within CM 66.717 19.375 0.834 7.732 4.719 0.079 0.012 99.468
161R-2, 6–8 6-within CM 68.207 19.727 0.691 11.265 0.128 0.039 0.012 100.069
161R-2, 6–8 6-within CM 66.533 19.594 1.098 10.766 — 0 0.015 98.006
161R-2, 6–8 6-within CM 66.864 19.889 1.22 10.416 0.072 0 0.025 98.486
161R-2, 6–8 6-within CM 68.372 19.442 0.482 11.011 0.067 0 0 99.374
161R-2, 6–8 6-within CM 68.444 19.628 0.922 10.453 0.209 0.001 0.012 99.669
161R-2, 6–8 7-adjacent to CM 65.691 18.432 0.012 — 16.509 0.089 0 100.733
161R-2, 6–8 7-adjacent to CM 65.608 18.33 0.003 — 16.548 0.122 0 100.611
161R-2, 6–8 7-adjacent to CM 65.046 18.437 — — 16.402 0.197 0.037 100.119
161R-2, 6–8 7-adjacent to CM 65.566 18.2 — — 16.49 0.081 0 100.337
161R-2, 6–8 7-adjacent to CM 64.546 18.006 0.002 — 16.253 0.126 0.04 98.973
161R-2, 6–8 7-adjacent to CM 64.175 17.923 0.024 — 16.312 0.174 0 98.608
161R-2, 6–8 7-adjacent to CM 65.621 21.034 2.304 9.915 0.062 0.005 0.039 98.98
161R-2, 6–8 7-adjacent to CM 66.51 22.237 2.706 10.039 0.067 0.007 0 101.566
161R-2, 6–8 7-adjacent to CM 65.494 17.978 0.031 0.155 16.27 0.125 0.013 100.066
161R-2, 6–8 8-vein near CM 65.258 17.87 0.031 0.128 16.406 0.08 0.022 99.795
161R-2, 6–8 8-vein near CM 65.261 18.078 0.027 0.171 16.314 0.164 0 100.015
161R-2, 6–8 8-vein near CM 65.249 18.104 0.024 0.152 16.468 0.086 0.022 100.105
161R-2, 6–8 8-vein near CM 65.091 17.952 0.026 0.1 16.541 0.095 0.036 99.841
161R-2, 6–8 8-vein near CM 65.418 17.928 0.02 0.145 16.661 0.137 0.008 100.317
161R-2, 6–8 8-vein near CM 66.96 20.245 0.599 10.189 0.576 0 0 98.569
161R-2, 6–8 8-vein near CM 62.234 23.644 5.694 8.303 — 0 0.043 99.918
161R-2, 6–8 8-vein near CM 68.767 19.691 0.703 10.976 — 0 0 100.137
161R-2, 6–8 8-vein near CM 68.956 19.694 0.648 10.891 0.123 0 0 100.312
161R-2, 6–8 8-vein near CM 68.293 19.593 0.539 10.874 0.126 0 0 99.425
161R-2, 6–8 8-vein near CM 68.058 19.084 0.374 9.834 1.486 0 0.021 98.857
161R-2, 6–8 8-vein near CM 68.547 19.385 0.311 10.871 0.189 0 0 99.303

Notes: CM = chilled margin. — = no data.

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