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Table 1

Measured 10Be and 26Al concentrations.

Sample Mass Quartz Spike 9Be +/− N10Be Measured10Be/9Be uncertainty measure +blank [10Be] +/− 27Al +/− N 26Al Measured
26Al/27Al
uncertainty measure [26Al] +/− [26Al]/ [10Be] +/− Burial time
  g at       % at/g   at       % at/g       ka
TSEG1-015 20.70 2.029E+19 6.040E+16 202 1.05E-12 8.95 1026 581 92 269 1.108E+18 1.507E+15 1183 4.86E-12 3.13 5386 443 168 759 5.25 0.50  
TSEG1-050 8.99 2.035E+19 6.058E+16 150 4.84E-13 8.26 1087 814 90 624 1.116E+19 1.101E+17 95 8.74E-14 10.33 975 482 101 178 0.90 0.12  
TSEG1-075 22.16 2.030E+19 6.044E+16 Not measurable       1.004E+18 1.668E+15 138 3.41E-12 10.61 3419 316 362 985        
TSEG1-110 15.36 2.038E+19 6.066E+16 1208 4.62E-13 3.32 608 128 20 466 1.997E+18 3.046E+15 488 1.57E-12 5.04 3131 287 157 833 5.15 0.31  
TSEG1-138 22.10 2.035E+19 6.057E+16 Not measurable       2.398E+18 1.833E+15 407 9.19E-13 5.09 2204 089 112 214        
TSEG1-300 21.79 2.037E+19 6.065E+16 158 9.75E-14 8.05 87 476 7382 2.991E+18 3.160E+14 131 1.68E-13 8.81 500 990 44 155 5.73 0.70  
TSEG1Enf. 1 5.73 2.030E+19 6.043E+16 17 2.62E-14 25.54 78 773 23 885 1.114E+19 2.425E+15 11 1.54E-14 31.41 171 606 53 895 2.18 0.95 2314
TSEG1Enf. 2 20.51 2.034E+19 6.055E+16 20 1.05E-13 22.88 100 670 23 952 5.625E+18 2.487E+16 61 6.41E-14 12.86 360 284 46 346 3.58 0.97 1291
TSEG2-016 20.50 2.039E+19 6.071E+16 1224 1.44E-12 3.25 1426 290 46 722 2.272E+18 9.221E+14 1174 2.89E-12 3.23 6567 168 212 433 4.60 0.21  
TSEG2-040 18.51 2.036E+19 6.059E+16 767 7.60E-13 3.81 831 022 31 947 5.239E+18 1.343E+16 534 7.93E-13 4.48 4152 099 186 321 5.00 0.30  
TSEG2-100 20.09 2.037E+19 6.064E+16 293 5.45E-13 6.30 548 576 34 870 7.705E+18 1.886E+16 264 3.11E-13 6.26 2396 931 150 230 4.37 0.39  
TSEG2-130 22.28 2.036E+19 6.060E+16 331 4.74E-13 5.93 429 618 25 738 2.528E+18 9.145E+15 915 8.12E-13 3.53 2052 626 72 889 4.78 0.33  
TSEG2-180 20.08 2.039E+19 6.069E+16 47 3.48E-13 15.47 349 487 54 713 2.406E+18 3.713E+15 229 5.21E-13 6.71 1253 418 84 116 3.59 0.61  
TSEG2-380 20.69 2.034E+19 6.053E+16 45 2.10E-13 14.96 202 286 30 856 3.440E+18 1.484E+16 79 1.10E-13 11.51 378 538 43 589 1.87 0.36  
TEBR2enf. 1A 20.68 2.034E+19 6.055E+16 835 3.29E-13 3.67 319 513 11 931 3.197E+18 8.458E+15 248 3.38E-13 6.89 1079 230 74 443 3.38 0.26 1395
TEBR2enf. 1B 20.23 2.037E+19 6.062E+16 277 1.12E-13 6.13 108 276 6938 4.333E+18 2.008E+16 155 1.47E-13 8.12 638 458 51 898 5.90 0.61 261
TEBR2enf. 1C 21.05 2.035E+19 6.058E+16 308 1.77E-13 6.15 167 407 10 572 4.394E+18 4.504E+16 136 1.40E-13 8.65 613 864 53 489 3.67 0.39 1236
TEBR2enf. 1D 20.23 2.041E+19 6.077E+16 273 1.25E-13 6.26 122 053 7945 4.819E+18 1.666E+16 155 1.54E-13 9.08 741 854 67 397 6.08 0.68 198
TEBR2enf. 1E 21.67 2.039E+19 6.069E+16 396 1.78E-13 5.38 163 515 9038 3.997E+18 1.135E+16 100 1.65E-13 10.07 660 776 66 547 4.04 0.46 1037
TALC1Enf. 1A 20.45 2.039E+19 6.069E+16 69 5.49E-14 12.72 50 751 7005 2.873E+18 9.242E+15 84 1.01E-13 10.97 290 656 31 905 5.73 1.01 324
TALC1Enf. 1B 20.87 2.040E+19 6.074E+16 82 9.62E-14 11.70 90 181 11 038 4.102E+18 1.739E+16 25 5.37E-14 20.79 220 174 45 793 2.44 0.59 2079
TALC1Enf. 1C 21.60 2.040E+19 6.073E+16 24 6.84E-14 20.45 60 872 13 238 1.468E+18 1.276E+15 61 1.52E-13 15.11 223 414 33 760 3.67 0.97 1241
TALC1Enf. 1F 20.60 2.038E+19 6.065E+16 99 8.63E-14 12.36 81 433 10 584 4.713E+18 3.363E+16 30 6.53E-14 18.29 307 716 56 337 3.78 0.85 1037
TOJA1Enf. 1A 22.17 2.035E+19 6.057E+16 189 1.35E-13 7.38 119 890 9148 3.300E+18 5.844E+15 146 1.86E-13 8.36 613 540 51 284 5.12 0.58 553
TOJA1Enf. 1B 12.11 2.039E+19 6.068E+16 194 7.63E-14 7.28 121 779 9458 1.929E+18 8.640E+14 70 2.67E-13 13.46 515 189 69 368 4.23 0.66 945
TOJA1Enf. 1C 14.49 2.038E+19 6.067E+16 244 7.94E-14 6.52 106 127 7373 4.332E+18 1.446E+16 118 1.40E-13 9.28 606 021 56 266 5.71 0.66 328
TOJA1Enf. 1D 16.50 2.041E+19 6.076E+16 1205 3.82E-13 3.22 467 256 15 310 3.999E+18 4.716E+15 414 5.19E-13 5.05 2073 744 104 745 4.44 0.27 832
TOJA1Enf. 1E 18.79 2.043E+19 6.082E+16 132 1.72E-13 8.79 183 093 16 503 3.031E+18 2.391E+15 21 1.26E-13 23.75 381 067 90 495 2.08 0.53 2400
TARA0enf. 1A 5.97 2.038E+19 6.066E+16 61 1.64E-14 14.04 42 544 8334 3.711E+18 1.053E+16 11 3.43E-14 30.17 127 392 38 440 2.99 1.08 1662
TARA0enf. 1B 23.00 2.047E+19 6.093E+16 108 6.30E-14 10.89 52 499 6146 1.951E+18 4.376E+15 71 7.98E-14 11.92 155 627 18 561 2.96 0.50 1682
TARA0enf. 1D 7.39 2.062E+19 6.137E+16 32 2.92E-14 17.72 70 297 14 592 6.034E+18 5.085E+15 17 2.68E-14 24.28 161 699 39 263 2.30 0.73 2203
TARA2enf. 1A 22.07 2.045E+19 6.088E+16 120 1.22E-13 10.58 109 834 12 039 4.077E+18 2.841E+16 57 1.21E-13 13.73 493 236 67 810 4.49 0.79 822
TARA2enf. 1C 8.53 2.038E+19 6.068E+16 34 3.69E-14 17.19 78 582 15 264 5.619E+18 3.179E+15 16 4.10E-14 25.03 230 377 57 656 2.93 0.93 1703
TARA2enf. 1D 4.11 2.044E+19 6.086E+16 67 3.22E-14 12.28 140 468 20 071 9.166E+18 8.460E+15 14 3.11E-14 27.75 285 331 79 194 2.03 0.63 2451
Process blank   2.026E+19 6.032E+16 25 3.97E-15 20.04     2.253E+19 4.592E+16 0 0.00E+00          

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