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UTh-reduced-data-04-Apr-2024.xls
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Date of reduction: 04-Apr-2024 14:24:19
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 0.007632466496 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 0.78 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 0.00 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 0.00 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 0.17 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 0.00 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 12.71 2.3202 82.48 121.56
AB13-2F (265mm) 34.000000000000 53.300000000000 3800.000000000000 8.980000000000 0.950000000000 1.825870360257 0.00 0.00 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)
0.102785782285 1.154928566203 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 2947.265016028193 60.032205291056 3.505676819174 1.679733906138 0.038256589207 0.000395202123 85.697376343710 0.928732327451 4238.342655318893 45.233609446184 4024.701391481111 107.148848250506 3.545721104819 1.698921336696 3953.701391481111 107.148848250506
AB11-2B (270mm) 1560.356777180517 31.209887421038 1668.211101741723 35.381198838656 3.775829318717 1.397560841225 0.044646458899 0.000213803887 663.037065906486 5.485480576451 4961.202265794986 25.326652453669 4929.012909199571 17.581472016842 3.828717989361 1.417136721614 4858.012909199571 25.326652453669
AB13-2A (34mm) 1446.859499901680 28.939340449515 2662.154153466994 54.609918502921 7.765555119120 1.562498258035 0.028975208039 0.000235039267 250.033158592556 2.269538810002 3181.100244769307 26.661591368553 3125.916890737189 28.037406746754 7.834362216871 1.576342975538 3054.916890737189 28.037406746754
AB13-2B (85.5mm) 2056.547503836019 41.144915817757 1811.661436302398 37.633796186283 8.394504617086 1.357682886654 0.032558225148 0.000203342699 586.813791236596 4.775137782224 3578.697556909437 23.247752264781 3552.297514292573 14.076993879037 8.479081058461 1.371361875419 3481.297514292573 23.247752264781
AB13-2C (130mm) 1586.597643407145 31.736778395277 214.077214510091 12.369800871351 8.825569889222 1.458116259213 0.033652323298 0.000180784705 3959.946297519251 215.562774951635 3699.398931782288 20.939815334591 3695.357487918586 5.822541729389 8.918089125120 1.473401829228 3624.357487918586 20.939815334591
AB13-2D (177mm) 1566.604049702812 31.334339671947 102.416706158462 10.447107981641 7.248880286192 1.498727086260 0.035616286721 0.000214765026 8649.977216846106 866.611291503199 3925.492640368785 24.831574677147 3923.531427843664 6.056669135976 7.329589099163 1.515413873303 3852.531427843664 24.831574677147
AB13-2E (229mm) 2017.322569592297 40.351810849770 165.587625518018 12.507546717109 6.006770017424 1.454863226042 0.038163217124 0.000205567998 7381.936945085129 538.943612259973 4217.015425333827 23.988954868027 4214.549918013226 6.371271982726 6.078639378067 1.472270270751 4143.549918013226 23.988954868027
AB13-2F (265mm) 1558.777402606721 31.180640558267 885.284593054883 20.726452922484 4.883321993814 1.461717824468 0.040576243672 0.000248634234 1134.360039982433 15.275836661865 4494.361236703483 28.905130339638 4477.281896716320 10.849166103639 4.945415003019 1.480304044312 4406.281896716320 28.905130339638
CC5A 13967.703971238627 279.358182239587 37939.220128165129 795.863263914517 927.015146892102 1.321754256885 0.348341136278 0.001190675948 2036.194551695861 14.026369855286 21402.640196244418 81.239793790534 21361.274793064811 26.268870405680 984.616983205571 1.405780273686 21290.274793064811 81.239793790534