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UTh-reduced-data-14-Mar-2024.xls
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UTh-reduced-data-14-Mar-2024.xls
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Date of reduction: 14-Mar-2024 11:43:45
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 592 Analysed on Wednesday 530 Analysed on Monday 523 Analysed on Monday 524 Analysed on Monday 529 Analysed on Monday 530 Analysed on Monday 590 Analysed on Wednesday 594 Analysed on Wednesday
AB11-2A (138mm) 532 Analysed on Monday 596 Analysed on Wednesday 536 Analysed on Monday 529 Analysed on Monday 530 Analysed on Monday 535 Analysed on Monday 536 Analysed on Monday 594 Analysed on Wednesday 598 Analysed on Wednesday
AB11-2B (270mm) 538 Analysed on Monday 600 Analysed on Wednesday 542 Analysed on Monday 535 Analysed on Monday 536 Analysed on Monday 541 Analysed on Monday 542 Analysed on Monday 598 Analysed on Wednesday 602 Analysed on Wednesday
AB13-2A (34mm) 544 Analysed on Monday 604 Analysed on Wednesday 548 Analysed on Monday 541 Analysed on Monday 542 Analysed on Monday 547 Analysed on Monday 548 Analysed on Monday 602 Analysed on Wednesday 606 Analysed on Wednesday
AB13-2B (85.5mm) 550 Analysed on Monday 608 Analysed on Wednesday 554 Analysed on Monday 547 Analysed on Monday 548 Analysed on Monday 553 Analysed on Monday 554 Analysed on Monday 606 Analysed on Wednesday 610 Analysed on Wednesday
AB13-2C (130mm) 556 Analysed on Monday 612 Analysed on Wednesday 560 Analysed on Monday 553 Analysed on Monday 554 Analysed on Monday 559 Analysed on Monday 560 Analysed on Monday 610 Analysed on Wednesday 614 Analysed on Wednesday
AB13-2D (177mm) 562 Analysed on Monday 616 Analysed on Wednesday 566 Analysed on Monday 559 Analysed on Monday 560 Analysed on Monday 565 Analysed on Monday 566 Analysed on Monday 614 Analysed on Wednesday 618 Analysed on Wednesday
AB13-2E (229mm) 568 Analysed on Monday 620 Analysed on Wednesday 572 Analysed on Monday 565 Analysed on Monday 566 Analysed on Monday 571 Analysed on Monday 572 Analysed on Monday 618 Analysed on Wednesday 622 Analysed on Wednesday
AB13-2F (265mm) 574 Analysed on Monday 624 Analysed on Wednesday 578 Analysed on Monday 571 Analysed on Monday 572 Analysed on Monday 577 Analysed on Monday 578 Analysed on Monday 622 Analysed on Wednesday 626 Analysed on Wednesday
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 0.939745751944 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 1.09 0.78 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 0.31 0.19 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 0.33 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 0.20 0.17 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 0.30 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 0.27 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 0.24 0.17 12.71 2.3202 82.48 121.56
AB13-2F (265mm) 34.000000000000 53.300000000000 3800.000000000000 8.980000000000 0.950000000000 1.825870360257 0.00 0.28 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 0.37 0.05 1.24 80.53 86.18
PROCEDURAL BLANK MASSES
230Th (fg) 232Th (pg) 234U (fg) 238U (pg)
0.102785782285 1.154928566203 -12.849382564355 3.872415518239
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) 415.817321319516 8.316380064095 2947.265016028193 60.032205291056 14.456963538230 5.770060160391 0.038256589823 0.000395202132 85.697376343710 0.928732327451 4191.427854295346 50.454834554638 3980.121417291704 108.276996174949 14.620261606090 5.835237360298 3909.121417291704 108.276996174949
AB11-2B (270mm) 1560.356770174961 31.209887281899 1668.211101741723 35.381198838656 6.832140684481 2.081347410395 0.044646459100 0.000213803889 663.037065906486 5.485480576451 4945.689396172412 26.417932123348 4913.599121218844 19.157603990875 6.927538272802 2.110409421796 4842.599121218844 26.417932123348
AB13-2A (34mm) 1446.859492896124 28.939340310716 2662.154153466994 54.609918502921 11.061615436448 2.277899579749 0.028975208179 0.000235039269 250.033158592556 2.269538810002 3170.531537125513 27.091158202135 3115.529698729642 28.423103956540 11.159300324440 2.298015836276 3044.529698729642 28.423103956540
AB13-2B (85.5mm) 2056.547497818057 41.144915699482 1811.661436302398 37.633796186283 10.386505888997 1.687303563707 0.032558225244 0.000203342700 586.813791236596 4.775137782224 3571.489874595031 23.478251770227 3545.142401917608 14.497340726421 10.490940335181 1.704269151218 3474.142401917608 23.478251770227
AB13-2C (130mm) 1586.597636440486 31.736778257346 214.077214510091 12.369800871351 11.814643948631 2.092938414796 0.033652323445 0.000180784706 3959.946297519251 215.562774951635 3688.226835988020 21.607831586446 3684.197453700346 8.046841245653 11.938121925731 2.114812286584 3613.197453700346 21.607831586446
AB13-2D (177mm) 1566.604043553177 31.334339549815 102.416706158462 10.447107981641 9.921080401933 2.013754995070 0.035616286861 0.000214765027 8649.977216846106 866.611291503199 3914.860020899599 25.327634161422 3912.904054317974 8.046616570854 10.031240557478 2.036115028546 3841.904054317974 25.327634161422
AB13-2E (229mm) 2017.322562351394 40.351810706695 165.587625518018 12.507546717109 8.450179791915 1.906070324309 0.038163217261 0.000205567999 7381.936945085129 538.943612259973 4206.537464509786 24.496924460523 4204.078001286684 8.240894202222 8.551031175251 1.928818942718 4133.078001286684 24.496924460523
AB13-2F (265mm) 1558.777396180370 31.180640431156 885.284593054883 20.726452922484 7.689784670122 2.034695452380 0.040576243839 0.000248634235 1134.360039982433 15.275836661865 4481.503910580333 29.532344380505 4464.472737574783 12.580716098867 7.787281253106 2.060492793290 4393.472737574783 29.532344380505
CC5A 13967.703828422118 279.358179391660 37939.220128165129 795.863263914517 933.975526207261 2.277818906062 0.348341139839 0.001190675990 2036.194551695861 14.026369855286 21317.583458012523 83.965470015398 21276.366682802218 34.507485823698 991.772186042515 2.420703387808 21205.366682802218 83.965470015398