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UTh-reduced-data-12-Mar-2024.xls
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Date of reduction: 12-Mar-2024 16:29:47
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 1.833818126161 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 0.594926884811 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 0.947405518786 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 0.626788958837 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 0.818757838571 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 0.723317067944 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 0.657977910974 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 0.690203166576 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 0.551917022761 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) 415.815590252216 8.316345437700 2947.265016028193 60.032205291056 14.744371077077 5.764751762493 0.038256749087 0.000395203738 85.697376343710 0.928732327451 4190.228458754335 50.425754248846 3978.981722376706 108.240323810428 14.910867587862 5.829850320203 3907.981722376706 108.240323810428
AB11-2B (270mm) 1560.215632358844 31.207055155869 1668.211101741723 35.381198838656 8.148656583258 2.048585635387 0.044650497839 0.000213818694 663.037065906486 5.485480576451 4939.494266389836 26.312428813714 4907.443581747300 19.036948775464 8.262293233618 2.077154123172 4836.443581747300 26.312428813714
AB13-2A (34mm) 1446.771902539385 28.937580033713 2662.154153466994 54.609918502921 11.943643091294 2.255686203595 0.028976962394 0.000235052088 250.033158592556 2.269538810002 3167.909875824807 27.047515974276 3112.953079576941 28.380761746096 12.049029533201 2.275589777849 3041.953079576941 28.380761746096
AB13-2B (85.5mm) 2056.240050764869 41.138622880899 1811.661436302398 37.633796186283 11.525573346476 1.654636328815 0.032563093319 0.000203365131 586.813791236596 4.775137782224 3567.923647079982 23.421399098620 3541.602205118457 14.431757591214 11.641344605631 1.671256769343 3470.602205118457 23.421399098620
AB13-2C (130mm) 1586.473200663519 31.734273398731 214.077214510091 12.369800871351 12.785390879016 2.068114738545 0.033654962981 0.000180795376 3959.946297519251 215.562774951635 3684.907024128820 21.551734969783 3680.881227688973 7.942905933703 12.918893486522 2.089709617369 3609.881227688973 21.551734969783
AB13-2D (177mm) 1566.481507135785 31.331878517427 102.416706158462 10.447107981641 10.952235733609 1.987891688051 0.035619072909 0.000214779006 8649.977216846106 866.611291503199 3911.083992778754 25.267629813824 3909.129890110423 7.928908153488 11.073727525960 2.009943139219 3838.129890110423 25.267629813824
AB13-2E (229mm) 2017.076531120247 40.346838729769 165.587625518018 12.507546717109 9.622056178380 1.874872263148 0.038167872188 0.000205586016 7381.936945085129 538.943612259973 4202.053166764154 24.422259722981 4199.596292102374 8.090887817203 9.736770548547 1.897224545462 4128.596292102374 24.422259722981
AB13-2F (265mm) 1558.615266274400 31.177371636032 885.284593054883 20.726452922484 8.844301442828 2.005110751332 0.040580464651 0.000248654785 1134.360039982433 15.275836661865 4476.711437797218 29.453827582442 4459.698230380256 12.460769236902 8.956315136405 2.030505643034 4388.698230380256 29.453827582442
CC5A 13967.303946012087 279.350179059111 37939.220128165129 795.863263914517 934.907028560216 2.270485133737 0.348351112809 0.001190701969 2036.194551695861 14.026369855286 21306.915922617529 83.884811294486 21265.717813496216 34.407358215472 992.731498238354 2.412842127493 21194.717813496216 83.884811294486