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UTh-reduced-data-05-Apr-2024.xls
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UTh-reduced-data-05-Apr-2024.xls
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Date of reduction: 05-Apr-2024 11:43:40
Version of script: 1.1.021524
FILENAMES OF RAW DATA FILES
User input of sample data mad_input_2.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 5.1700e-07
U239/U238 ratio 2.3900e-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 Calcite 0.023880000000 1.00 0.30 1/1/2021 12.50 0.50
AB12-6A Calcite 0.203240000000 0.098750000000 1.00 0.30 1/1/2021 12.50 0.50
AB12-6B Calcite 0.210840000000 0.084890000000 1.00 0.30 1/1/2021 12.50 0.50
AB12-6C Calcite 0.202650000000 0.075550000000 1.00 0.30 1/1/2021 12.50 0.50
AB12-6D Calcite 0.212280000000 0.081910000000 1.00 0.30 1/1/2021 12.50 0.50
AB12-6E Calcite 0.201210000000 0.079970000000 6.00 0.30 1/1/2021 12.50 0.50
AB12-6F Calcite 0.198990000000 0.077390000000 7.00 0.30 1/1/2021 12.50 0.50
AB12-6G Calcite 0.198520000000 0.088940000000 12.00 0.30 1/1/2021 12.50 0.50
AB12-6H Calcite 0.221970000000 0.084710000000 12.00 0.30 1/1/2021 12.50 0.50
AB10-bottom Calcite 0.098340000000 0.076450000000 6.00 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 3418 Analysed on 27 January 2023 at 10:24 3499 Analysed on 30 January 2023 at 10:58 3422 Analysed on 27 January 2023 at 10:35 3415 Analysed on 27 January 2023 at 10:14 3416 Analysed on 27 January 2023 at 10:15 3421 Analysed on 27 January 2023 at 10:33 3422 Analysed on 27 January 2023 at 10:35 3497 Analysed on 30 January 2023 at 10:47 3501 Analysed on 30 January 2023 at 11:09
AB12-6A 3424 Analysed on 27 January 2023 at 10:43 3503 Analysed on 30 January 2023 at 11:20 3428 Analysed on 27 January 2023 at 10:55 3421 Analysed on 27 January 2023 at 10:33 3422 Analysed on 27 January 2023 at 10:35 3427 Analysed on 27 January 2023 at 10:54 3428 Analysed on 27 January 2023 at 10:55 3501 Analysed on 30 January 2023 at 11:09 3505 Analysed on 30 January 2023 at 11:31
AB12-6B 3430 Analysed on 27 January 2023 at 11:04 3507 Analysed on 30 January 2023 at 11:42 3434 Analysed on 27 January 2023 at 11:16 3427 Analysed on 27 January 2023 at 10:54 3428 Analysed on 27 January 2023 at 10:55 3433 Analysed on 27 January 2023 at 11:15 3434 Analysed on 27 January 2023 at 11:16 3505 Analysed on 30 January 2023 at 11:31 3509 Analysed on 30 January 2023 at 11:54
AB12-6C 3436 Analysed on 27 January 2023 at 11:24 3511 Analysed on 30 January 2023 at 12:04 3440 Analysed on 27 January 2023 at 11:34 3433 Analysed on 27 January 2023 at 11:15 3434 Analysed on 27 January 2023 at 11:16 3439 Analysed on 27 January 2023 at 11:33 3440 Analysed on 27 January 2023 at 11:34 3509 Analysed on 30 January 2023 at 11:54 3513 Analysed on 30 January 2023 at 12:16
AB12-6D 3442 Analysed on 27 January 2023 at 11:43 3515 Analysed on 30 January 2023 at 12:26 3446 Analysed on 27 January 2023 at 11:55 3439 Analysed on 27 January 2023 at 11:33 3440 Analysed on 27 January 2023 at 11:34 3445 Analysed on 27 January 2023 at 11:54 3446 Analysed on 27 January 2023 at 11:55 3513 Analysed on 30 January 2023 at 12:16 3517 Analysed on 30 January 2023 at 12:38
AB12-6E 3453 Analysed on 27 January 2023 at 12:54 3519 Analysed on 30 January 2023 at 12:48 3457 Analysed on 27 January 2023 at 13:06 3445 Analysed on 27 January 2023 at 11:54 3446 Analysed on 27 January 2023 at 11:55 3456 Analysed on 27 January 2023 at 13:05 3457 Analysed on 27 January 2023 at 13:06 3517 Analysed on 30 January 2023 at 12:38 3521 Analysed on 30 January 2023 at 13:00
AB12-6F 3461 Analysed on 27 January 2023 at 13:26 3523 Analysed on 30 January 2023 at 13:10 3465 Analysed on 27 January 2023 at 13:38 3456 Analysed on 27 January 2023 at 13:05 3457 Analysed on 27 January 2023 at 13:06 3464 Analysed on 27 January 2023 at 13:37 3465 Analysed on 27 January 2023 at 13:38 3521 Analysed on 30 January 2023 at 13:00 3525 Analysed on 30 January 2023 at 13:22
AB12-6G 3471 Analysed on 27 January 2023 at 14:08 3527 Analysed on 30 January 2023 at 13:32 3475 Analysed on 27 January 2023 at 14:20 3464 Analysed on 27 January 2023 at 13:37 3465 Analysed on 27 January 2023 at 13:38 3474 Analysed on 27 January 2023 at 14:19 3475 Analysed on 27 January 2023 at 14:20 3525 Analysed on 30 January 2023 at 13:22 3529 Analysed on 30 January 2023 at 13:44
AB12-6H 3479 Analysed on 27 January 2023 at 14:42 3531 Analysed on 30 January 2023 at 13:55 3483 Analysed on 27 January 2023 at 14:54 3474 Analysed on 27 January 2023 at 14:19 3475 Analysed on 27 January 2023 at 14:20 3482 Analysed on 27 January 2023 at 14:53 3483 Analysed on 27 January 2023 at 14:54 3529 Analysed on 30 January 2023 at 13:44 3533 Analysed on 30 January 2023 at 14:06
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 0.001120000000 0.004170000000 8.654372000000 0.001124001000 0.566734600000 0.008595839528 1.1240 4.1700 28.44 45.19
AB12-6A 0.579000000000 0.965000000000 2545.952000000000 2.906952000000 0.473740900000 2.875644968232 0.01 -0.00 0.13 0.03 2.9070 0.9650 1.68 28.54
AB12-6B 8.440000000000 10.500000000000 3892.969000000000 3.341673000000 0.466722600000 2.865942433090 0.01 -0.00 0.12 0.03 0.6268 3.3417 10.5000 21.49 38.58
AB12-6C 7.110000000000 7.860000000000 8585.592000000001 3.753776000000 1.438769000000 2.803046957238 0.01 -0.00 0.07 0.03 0.5263 3.1125 3.7538 7.8600 17.83 48.91
AB12-6D 11.600000000000 14.900000000000 8172.451000000000 4.113573000000 0.483391300000 2.535118939978 0.01 -0.00 0.07 0.06 3.2987 4.1136 14.9000 30.75 49.17
AB12-6E 34.800000000000 2.430000000000 119758.100000000006 2.303714000000 0.716752800000 2.528918553071 0.00 -0.00 0.00 0.06 0.7193 2.9623 2.3037 2.4300 30.52 28.21
AB12-6F 19.400000000000 1.800000000000 138989.000000000000 3.546004000000 0.716752800000 2.697965902738 0.00 -0.00 0.00 0.03 3.5460 1.8000 26.97 44.24
AB12-6G 24.000000000000 1.180000000000 326098.900000000023 3.937576000000 0.912390100000 2.726885726222 0.00 -0.00 0.00 0.01 1.0067 3.9376 1.1800 26.09 42.24
AB12-6H 33.400000000000 1.580000000000 367605.500000000000 4.329024000000 0.966782800000 2.823801742602 0.00 -0.00 0.00 0.01 4.3290 1.5800 34.66 48.18
AB10-bottom 41.700000000000 3.000000000000 31283.119999999999 3.594822000000 1.316825000000 2.613883166136 0.00 -0.00 0.02 0.04 0.9673 3.5948 3.0000 35.52 43.74
PROCEDURAL BLANK MASSES
230Th (fg) 232Th (pg) 234U (fg) 238U (pg)
0.165275581555 0.318073956111 0.266070180580 3.577904549728
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
AB12-6A 169.695747089758 3.743415076876 4860.637963212632 97.802096323633 3.597620320230 8.138637664824 0.225800578203 0.003716252976 125.164341099389 0.643160191651 27789.123767300716 585.068484201879 26923.475972069267 505.837405009396 3.881618803969 8.781108755369 26852.475972069267 585.068484201879
AB12-6B 187.435811032955 3.756125007820 5839.721297232735 117.909213009846 6.402669822262 2.420549162211 0.225438587069 0.001160018980 114.885861956050 0.603854406172 27647.066676549235 179.927107612465 26707.998655882024 477.669866234913 6.903901264546 2.610057865003 26636.998655882024 477.669866234913
AB12-6C 195.832737819035 3.953255513597 5084.192805162808 101.968835807241 4.103699642149 2.236722861489 0.394102515752 0.002076534502 241.018497747979 0.982111430093 54325.667636687162 407.297259817539 53542.045346999563 426.945322828907 4.773060973057 2.601564838783 53471.045346999563 426.945322828907
AB12-6D 174.847950575526 3.501526357389 2639.680393816554 52.918735447089 7.488605956671 2.057458577567 0.396742988804 0.001624042568 417.249999048695 1.498359452831 54541.895196435798 328.411763266662 54088.685463440808 274.361555568295 8.723532028492 2.396758115052 54017.685463440808 328.411763266662
AB12-6E 3316.922544397111 336.703233921587 2645.653816591075 53.457332775372 1.769728057955 1.394649708958 0.565550278325 0.004303682374 11257.745294273174 40.673335276441 90627.792343888053 1097.321506304278 90603.741242984470 220.436547146734 2.285340752509 1.800983373905 90532.741242984470 1097.321506304278
AB12-6F 2448.124399796463 207.982562769705 5393.445861851083 108.563742275067 3.352656681237 1.696388908415 0.565490291680 0.004695013877 4075.399578476174 13.308902179863 90363.797503447029 1197.475766307317 90297.488742443617 267.934077704816 4.325717624963 2.188744119727 90226.488742443617 1197.475766307317
AB12-6G 5345.371920788589 1469.657051123952 14403.230068696925 291.440970819081 3.829110633423 1.680672878735 0.619414664190 0.008634784090 3649.870006829295 15.176339560386 104576.232308455277 2467.179393489009 104495.192897822970 335.681621023120 5.142422784038 2.257116983755 104424.192897822970 2467.179393489009
AB12-6H 4713.937492627027 1393.359720599029 16112.533160637442 324.002928720618 -0.325209450145 1.468665797466 0.623937003321 0.008887636320 2898.268536414297 7.305195362155 106712.970704231368 2598.038962994221 106609.585702182478 307.224115415989 -0.439363963141 1.984194607243 106538.585702182478 2598.038962994221
AB10-bottom 6308.043908426237 527.265416472246 8175.212223054798 165.293812443276 4.380779310290 1.470727841482 0.097176279835 0.000644814465 1190.512131926814 4.497978076368 11095.480322534711 79.416755142471 11056.485743365636 26.073428149941 4.519623552467 1.517341066617 10985.485743365636 79.416755142471