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UTh-reduced-data-10-May-2024_v1.xls
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Date of reduction: 10-May-2024 11:07:52
Version of script: 1.1.021524
FILENAMES OF RAW DATA FILES
User input of sample data mad_input_3.csv
U samp file U samp_no tail_meas.csv
Th samp file Th samp_meas.csv
U std file U std_no tail_meas.csv
U tail file U tail-237-236.5-234.5-233.5_meas.csv
Th std file Th std_meas.csv
USER INPUT OF VALUES OF CONSTANTS
230Th/232Th Tail Correction 6.3900e-07
U239/U238 ratio 2.2900e-06
Detrital Th230/Th232 ratio 4.400000e+00
Detrital Th230/Th232 uncertainty 2.2000e+00
USER INPUT OF SAMPLE DATA
Sample Name Spike Type Powder Weight (g) Spike Weight (g) U frac vol (mL) Th frac vol (mL) Date of Chem U std conc Th std conc
Procedural blank Aragonite 0.022790000000 1.00 0.30 1/1/2021 12.50 0.50
AB11-2A (138mm) Aragonite 0.052520000000 0.089840000000 1.00 0.30 1/1/2021 12.50 0.50
AB11-2B (270mm) Aragonite 0.050150000000 0.097750000000 1.00 0.30 1/1/2021 12.50 0.50
AB13-2A (34mm) Aragonite 0.050150000000 0.081240000000 2.00 0.30 1/1/2021 12.50 0.50
AB13-2B (85.5mm) Aragonite 0.058380000000 0.076400000000 2.00 0.30 1/1/2021 12.50 0.50
AB13-2C (130mm) Aragonite 0.050430000000 0.081990000000 2.00 0.30 1/1/2021 12.50 0.50
AB13-2D (177mm) Aragonite 0.057130000000 0.104260000000 2.00 0.30 1/1/2021 12.50 0.50
AB13-2E (229mm) Aragonite 0.048520000000 0.083110000000 2.00 0.30 1/1/2021 12.50 0.50
AB13-2F (265mm) Aragonite 0.054670000000 0.080880000000 2.00 0.30 1/1/2021 12.50 0.50
CC5A Aragonite 0.002460000000 0.099890000000 1.00 0.30 1/1/2021 12.50 0.50
ANALYSIS NUMBERS AND DATE OF ANALYSIS
Sample Name U samp # Date Th samp # Date U samp tail # Date U std1 # Date U std1 tail # Date U std2 # Date U std2 tail # Date Th std1 # Date Th std2 # Date
Procedural blank 526 Analysed on Monday March 14 2022 at 11:32 592 Analysed on Wednesday March 16 2022 at 11:45 524 Analysed on Monday March 14 2022 at 11:24 523 Analysed on Monday March 14 2022 at 11:22 524 Analysed on Monday March 14 2022 at 11:24 529 Analysed on Monday March 14 2022 at 11:43 530 Analysed on Monday March 14 2022 at 11:44 590 Analysed on Wednesday March 16 2022 at 11:34 594 Analysed on Wednesday March 16 2022 at 11:56
AB11-2A (138mm) 532 Analysed on Monday March 14 2022 at 11:53 596 Analysed on Wednesday March 16 2022 at 12:07 530 Analysed on Monday March 14 2022 at 11:44 529 Analysed on Monday March 14 2022 at 11:43 530 Analysed on Monday March 14 2022 at 11:44 535 Analysed on Monday March 14 2022 at 12:04 536 Analysed on Monday March 14 2022 at 12:05 594 Analysed on Wednesday March 16 2022 at 11:56 598 Analysed on Wednesday March 16 2022 at 12:18
AB11-2B (270mm) 538 Analysed on Monday March 14 2022 at 12:13 600 Analysed on Wednesday March 16 2022 at 12:29 536 Analysed on Monday March 14 2022 at 12:05 535 Analysed on Monday March 14 2022 at 12:04 536 Analysed on Monday March 14 2022 at 12:05 541 Analysed on Monday March 14 2022 at 12:24 542 Analysed on Monday March 14 2022 at 12:26 598 Analysed on Wednesday March 16 2022 at 12:18 602 Analysed on Wednesday March 16 2022 at 12:40
AB13-2A (34mm) 544 Analysed on Monday March 14 2022 at 12:34 604 Analysed on Wednesday March 16 2022 at 12:51 542 Analysed on Monday March 14 2022 at 12:26 541 Analysed on Monday March 14 2022 at 12:24 542 Analysed on Monday March 14 2022 at 12:26 547 Analysed on Monday March 14 2022 at 12:45 548 Analysed on Monday March 14 2022 at 12:46 602 Analysed on Wednesday March 16 2022 at 12:40 606 Analysed on Wednesday March 16 2022 at 13:02
AB13-2B (85.5mm) 550 Analysed on Monday March 14 2022 at 12:55 608 Analysed on Wednesday March 16 2022 at 13:13 548 Analysed on Monday March 14 2022 at 12:46 547 Analysed on Monday March 14 2022 at 12:45 548 Analysed on Monday March 14 2022 at 12:46 553 Analysed on Monday March 14 2022 at 13:06 554 Analysed on Monday March 14 2022 at 13:07 606 Analysed on Wednesday March 16 2022 at 13:02 610 Analysed on Wednesday March 16 2022 at 13:25
AB13-2C (130mm) 556 Analysed on Monday March 14 2022 at 13:15 612 Analysed on Wednesday March 16 2022 at 13:35 554 Analysed on Monday March 14 2022 at 13:07 553 Analysed on Monday March 14 2022 at 13:06 554 Analysed on Monday March 14 2022 at 13:07 559 Analysed on Monday March 14 2022 at 13:26 560 Analysed on Monday March 14 2022 at 13:27 610 Analysed on Wednesday March 16 2022 at 13:25 614 Analysed on Wednesday March 16 2022 at 13:47
AB13-2D (177mm) 562 Analysed on Monday March 14 2022 at 13:36 616 Analysed on Wednesday March 16 2022 at 13:57 560 Analysed on Monday March 14 2022 at 13:27 559 Analysed on Monday March 14 2022 at 13:26 560 Analysed on Monday March 14 2022 at 13:27 565 Analysed on Monday March 14 2022 at 13:47 566 Analysed on Monday March 14 2022 at 13:48 614 Analysed on Wednesday March 16 2022 at 13:47 618 Analysed on Wednesday March 16 2022 at 14:09
AB13-2E (229mm) 568 Analysed on Monday March 14 2022 at 13:56 620 Analysed on Wednesday March 16 2022 at 14:19 566 Analysed on Monday March 14 2022 at 13:48 565 Analysed on Monday March 14 2022 at 13:47 566 Analysed on Monday March 14 2022 at 13:48 571 Analysed on Monday March 14 2022 at 14:07 572 Analysed on Monday March 14 2022 at 14:09 618 Analysed on Wednesday March 16 2022 at 14:09 622 Analysed on Wednesday March 16 2022 at 14:31
AB13-2F (265mm) 574 Analysed on Monday March 14 2022 at 14:17 624 Analysed on Wednesday March 16 2022 at 14:41 572 Analysed on Monday March 14 2022 at 14:09 571 Analysed on Monday March 14 2022 at 14:07 572 Analysed on Monday March 14 2022 at 14:09 577 Analysed on Monday March 14 2022 at 14:28 578 Analysed on Monday March 14 2022 at 14:29 622 Analysed on Wednesday March 16 2022 at 14:31 626 Analysed on Wednesday March 16 2022 at 14:53
SAMPLE RAW INTENSITIES, IMPACT OF BLANK CORRECTION, STANDARD FLAGS, AND PERCENT YIELD
Raw Intensity Raw Intensity Raw Intensity Raw Intensity Raw Intensity Raw Intensity Blk Corr (%) Blk Corr (%) Blk Corr (%) Blk Corr (%) Flag Flag Flag Flag Flag Flag Yield Yield
Sample Name U238 (V) U236 (mV) Th230 (cps) Th229 (mV) Th230bg (cps) 234tail/234 (per mil) 238/236 238/234 230/229 232/229 Th mass bias U mass bias Th IC yield U IC yield Th low spike U low spike U236 (%) Th229 (%)
Procedural blank 0.003490000000 0.032500000000 7.290000000000 0.001240000000 1.630000000000 0.007632466496 4.4248 1.2400 91.91 45.13
AB11-2A (138mm) 13.800000000000 93.900000000000 1290.000000000000 13.500000000000 1.270000000000 2.107286154762 0.02 0.01 0.76 0.75 2.3202 67.92 122.34
AB11-2B (270mm) 44.800000000000 92.600000000000 5310.000000000000 15.000000000000 1.170000000000 1.887093416276 0.00 0.00 0.18 1.38 4.4053 59.57 121.83
AB13-2A (34mm) 24.200000000000 44.800000000000 2320.000000000000 8.950000000000 2.050000000000 1.810920370518 0.01 0.00 0.31 0.87 2.3256 8.9500 68.53 86.30
AB13-2B (85.5mm) 38.400000000000 40.400000000000 5040.000000000000 9.920000000000 1.030000000000 1.747278690283 0.00 0.00 0.16 1.09 2.3202 9.9200 65.19 101.48
AB13-2C (130mm) 28.300000000000 48.000000000000 4660.000000000000 14.200000000000 1.280000000000 1.769214305268 0.00 0.00 0.24 9.78 71.61 134.47
AB13-2D (177mm) 32.500000000000 62.600000000000 3280.000000000000 10.800000000000 1.580000000000 1.733078189975 0.00 0.00 0.20 16.67 2.3256 74.03 78.35
AB13-2E (229mm) 39.600000000000 55.600000000000 6030.000000000000 13.500000000000 1.680000000000 1.810762197909 0.00 0.00 0.17 12.72 2.3202 82.48 121.56
AB13-2F (265mm) 34.000000000000 53.300000000000 3800.000000000000 8.980000000000 0.950000000000 1.825870360257 0.00 0.00 0.19 2.36 2.3256 8.9800 80.61 82.56
CC5A 27.200000000000 131.000000000000 13900.000000000000 11.700000000000 1.380000000000 1.027207133036 0.01 0.01 0.05 1.24 80.53 86.18
PROCEDURAL BLANK MASSES
230Th (fg) 232Th (pg) 234U (fg) 238U (pg)
0.099816626680 1.249015975388 0.073324786059 3.872064264579
FINAL SAMPLE CONCENTRATIONS AND AGES
Sample Name 238U ±(2sig) 232Th ±(2sig) d234U ±(2sig) (230Th/238U) ±(2sig) 230Th/232Th ±(2sig) Age (uncorr) ±(2sig) Age (corr) ±(2sig) d234init ±(2sig) Age (corr) ±(2sig)
ng/g pg/g per mille activity ppm atomic yr yr per mille yr BP
AB11-2A (138mm) 415.817328008941 8.316380197573 3185.946324533482 64.888104900869 3.505676819174 1.679733906138 0.037712243587 0.000393218922 78.149172388060 0.853860216757 4176.867387612930 44.970454366178 3945.906102984751 115.801695335497 3.544932747934 1.698543654773 3874.906102984751 115.801695335497
AB11-2B (270mm) 1560.356777180517 31.209887421038 1803.328724586832 38.243160748409 3.775829318717 1.397560841225 0.044022479851 0.000212992602 604.785539562859 5.017700405424 4890.287904253953 25.193726634506 4855.490910956655 18.742373818323 3.827923675841 1.416842721322 4784.490910956655 25.193726634506
AB13-2A (34mm) 1446.859499901680 28.939340449515 2877.746331976602 59.017545644397 7.765555119120 1.562498258035 0.028569459971 0.000234548813 228.062440063739 2.087470895153 3135.909199842290 26.583676674326 3076.255586445904 30.228366195604 7.833264329817 1.576122090743 3005.255586445904 30.228366195604
AB13-2B (85.5mm) 2056.547503836019 41.144915817757 1958.380320043403 40.676666371995 8.394504617086 1.357682886654 0.032104274974 0.000202912495 535.281778783764 4.383232863333 3527.986904358221 23.175486699562 3499.448517826780 15.060651843769 8.477816556596 1.371157367535 3428.448517826780 23.175486699562
AB13-2C (130mm) 1586.597643407145 31.736778395277 231.440909581643 13.376629005446 8.825569889222 1.458116259213 0.033181921595 0.000180122958 3611.653639039943 196.681628124269 3646.815597375108 20.838388201139 3642.446341718718 5.807354306940 8.916757589215 1.473181839525 3571.446341718718 20.838388201139
AB13-2D (177mm) 1566.604049702812 31.334339671947 110.745204214961 11.297775369242 7.248880286192 1.498727086260 0.035117885235 0.000214215310 7887.521497584631 790.337473727639 3869.576562395748 24.738870189670 3867.455860624515 5.984063832538 7.328429293383 1.515174079960 3796.455860624515 24.738870189670
AB13-2E (229mm) 2017.322569592297 40.351810849770 179.026686892142 13.525966032399 6.006770017424 1.454863226042 0.037630718826 0.000204982651 6732.524946309963 491.690106860515 4157.040709480012 23.889380610326 4154.375096860635 6.301965369931 6.077607209474 1.472020275387 4083.375096860635 23.889380610326
AB13-2F (265mm) 1558.777402606721 31.180640558267 956.995347195426 22.402115447051 4.883321993814 1.461717824468 0.040009962325 0.000248046076 1034.713943495397 13.961940889086 4430.348246137904 28.801745024990 4411.885293762494 11.343298351631 4.944502395202 1.480030875432 4340.885293762494 28.801745024990
CC5A 13967.703971238627 279.358182239587 41012.061039206928 860.252109828380 927.015146892102 1.321754256885 0.343495206689 0.001184390678 1857.428017852668 12.812811298311 21079.064735600328 80.579555474989 21034.327936559606 27.458221567253 983.708931710560 1.404659124719 20963.327936559606 80.579555474989