This sample belongs to: Nicholas Swanson-Hysell

Sample Unique Identifier = IENSH0003 (Detail)
Aliquot Unique Identifier = IENSH0007 (Detail)
Aliquot Name = MI-WSB1 Zircon
Analysis Purpose = NONE
Laboratory Name = MIT
Analyst Name = Jahan Ramezani
Aliquot Reference = NONE
Aliquot Instrumental Method = ID-TIMS
Aliquot Instrumental Method Reference = NONE
Calibration Uncertainty 206/238 = 0.0000
Calibration Uncertainty 208/232 = 0.0000
CalibrationUncertainty 207/206 = 0.0000
Aliquot Comment = NONE

Sample Metadata
Stratigraphic Formation Name = NONE
Stratigraphic Geologic Age (Ma) = NONE ( 0 Ma - 0 Ma )
Stratigraphic Minimum Absolute Age (Ma) = 0.0
Stratigraphic Maximum Absolute Age (Ma) = 0.0
Detrital Type = NONE
Keywords:

Attachment: concordia


Sample Date Models
Sample Date Model Name: weighted mean 206Pb/238U (Th-corrected)
Value: 1084347669.9291741847991943359375
Uncertainty Type: ABS
One Sigma: 100873.155166695432853884994983673095703125
Mean Squared Weighted Deviation: 0.8802574670224634356685555758303962647914886474609375
Internal Two Sigma Uncertainty: 201746.31033339086570776998996734619140625
PlusInternal Two Sigma Uncertainty:
Minus Internal Two Sigma Uncertainty:
Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty: 339335.404788559419102966785430908203125
Plus Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty:
Minus Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty:
Internal Two Sigma Uncertainty with Tracer Calibration and Decay Constant Uncertainty: 1208963.70346367615275084972381591796875
Plus Internal Two Sigma Uncertainty with Tracer Calibration and Decay Constant Uncertainty:
Minus Internal Two Sigma Uncertainty with Tracer Calibration and Decay Constant Uncertainty:

Included Fractions Vector:
z6
z8
z9
z10
z11
z12

Explanation: Explanation
Comment: Comment
Preferred: true


Alph Pb Models:
Name Value Uncertainty Type One Sigma
MIT X62 Daly 0.0018 ABS 0.0002


Analysis Fractions
Sample Name = MI-WSB1
Legacy = false
Fraction ID = z2
Grain ID = z2
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = zircon
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = MIT X62 Daly
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.0018 ABS 0.0002
alphaU 0.00082 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99222 PCT 0.00424
r270_265m 0.06284 PCT 0.0254
r270_267m 0.06235 PCT 0.0245
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0101 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00025 PCT 0.28366
r206_204m 4,473.01712 PCT 0.28692
r206_205m 1.0954 PCT 0.00709
r206_207m 12.85267 PCT 0.02075
r206_208m 4.0707 PCT 0.01114
r207_204m 348.10418 PCT 0.283
r207_205m 0.08524 PCT 0.02169
r208_204m 1,099.33237 PCT 0.2844
r208_205m 0.26909 PCT 0.0124
r233_235m 0.99617 PCT 0.00424
r238_233m 0.06284 PCT 0.0254
r238_235m 0.0626 PCT 0.0245

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18295 ABS 0.00007
r206_238r_Th 0.18296 ABS 0.00007
r207_206r 0.07575 ABS 0.00005
r207_206r_Pa 0.07575 ABS 0.00005
r207_206r_Th 0.07574 ABS 0.00005
r207_206r_ThPa 0.07574 ABS 0.00005
r207_235r 1.9099 ABS 0.00154
r207_235r_Pa 1.90989 ABS 0.00154
r208_206r 0.24133 ABS 0.0
rhoR206_238r__r207_235r 0.64135 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.64135 ABS 0.0
rhoR206_238r_Th__r207_235r 0.64128 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.64128 ABS 0.0
rhoR207_206r__r238_206r -0.24751 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.24751 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.24741 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.24741 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,083.063 Ma ABS 0.364 Ma
age206_238r_Th 1,083.129 Ma ABS 0.364 Ma
age207_206r 1,087.535 Ma ABS 1.278 Ma
age207_206r_Pa 1,087.53 Ma ABS 1.278 Ma
age207_206r_Th 1,087.403 Ma ABS 1.278 Ma
age207_206r_ThPa 1,087.398 Ma ABS 1.278 Ma
age207_235r 1,084.549 Ma ABS 0.538 Ma
age207_235r_Pa 1,084.548 Ma ABS 0.538 Ma
bestAge 1,083.063 Ma ABS 0.364 Ma
percentDiscordance 0.41123

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 129.68016 ABS 0.0
rTh_Usample 0.79859 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 7,091.01932 ABS 0.0
r207_206s 0.07575 ABS 0.0
r235_207s 0.52359 ABS 0.0
r238_206s 5.46602 ABS 0.0
r238_207s 72.15985 ABS 0.0


Sample Name = MI-WSB1
Legacy = false
Fraction ID = z3
Grain ID = z3
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = zircon
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = MIT X62 Daly
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.0018 ABS 0.0002
alphaU 0.00085 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99242 PCT 0.00244
r270_265m 0.04219 PCT 0.01511
r270_267m 0.04187 PCT 0.01579
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0106 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00025 PCT 0.26488
r206_204m 2,822.36219 PCT 0.26865
r206_205m 0.71338 PCT 0.00696
r206_207m 12.63148 PCT 0.02153
r206_208m 3.44781 PCT 0.01533
r207_204m 223.37786 PCT 0.25711
r207_205m 0.05648 PCT 0.02319
r208_204m 818.09837 PCT 0.2557
r208_205m 0.2069 PCT 0.01476
r233_235m 0.99638 PCT 0.00244
r238_233m 0.04219 PCT 0.01511
r238_235m 0.04204 PCT 0.01579

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18176 ABS 0.00006
r206_238r_Th 0.18177 ABS 0.00006
r207_206r 0.07578 ABS 0.00007
r207_206r_Pa 0.07578 ABS 0.00007
r207_206r_Th 0.07577 ABS 0.00007
r207_206r_ThPa 0.07577 ABS 0.00007
r207_235r 1.89825 ABS 0.00201
r207_235r_Pa 1.89825 ABS 0.00201
r208_206r 0.28291 ABS 0.0
rhoR206_238r__r207_235r 0.52879 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.52879 ABS 0.0
rhoR206_238r_Th__r207_235r 0.5287 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.5287 ABS 0.0
rhoR207_206r__r238_206r -0.24186 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.24186 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.24173 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.24173 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,076.599 Ma ABS 0.337 Ma
age206_238r_Th 1,076.661 Ma ABS 0.337 Ma
age207_206r 1,088.306 Ma ABS 1.857 Ma
age207_206r_Pa 1,088.302 Ma ABS 1.857 Ma
age207_206r_Th 1,088.182 Ma ABS 1.857 Ma
age207_206r_ThPa 1,088.177 Ma ABS 1.857 Ma
age207_235r 1,080.477 Ma ABS 0.705 Ma
age207_235r_Pa 1,080.476 Ma ABS 0.705 Ma
bestAge 1,076.599 Ma ABS 0.337 Ma
percentDiscordance 1.07572

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 82.81822 ABS 0.0
rTh_Usample 0.93585 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 4,395.77871 ABS 0.0
r207_206s 0.07578 ABS 0.0
r235_207s 0.5268 ABS 0.0
r238_206s 5.50167 ABS 0.0
r238_207s 72.60257 ABS 0.0


Sample Name = MI-WSB1
Legacy = false
Fraction ID = z4
Grain ID = z4
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = zircon
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = MIT X62 Daly
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.0018 ABS 0.0002
alphaU 0.00085 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99208 PCT 0.00362
r270_265m 0.09067 PCT 0.02617
r270_267m 0.08996 PCT 0.02703
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0107 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00043 PCT 0.30062
r206_204m 3,725.01471 PCT 0.30299
r206_205m 1.59949 PCT 0.01481
r206_207m 12.7007 PCT 0.02698
r206_208m 3.69477 PCT 0.01485
r207_204m 293.24881 PCT 0.30358
r207_205m 0.12592 PCT 0.02853
r208_204m 1,008.3992 PCT 0.30427
r208_205m 0.43277 PCT 0.01961
r233_235m 0.99603 PCT 0.00362
r238_233m 0.09067 PCT 0.02617
r238_235m 0.09031 PCT 0.02703

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18197 ABS 0.00008
r206_238r_Th 0.18198 ABS 0.00008
r207_206r 0.07575 ABS 0.00007
r207_206r_Pa 0.07575 ABS 0.00007
r207_206r_Th 0.07575 ABS 0.00007
r207_206r_ThPa 0.07575 ABS 0.00007
r207_235r 1.89975 ABS 0.00201
r207_235r_Pa 1.89974 ABS 0.00201
r208_206r 0.2643 ABS 0.0
rhoR206_238r__r207_235r 0.53606 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.53606 ABS 0.0
rhoR206_238r_Th__r207_235r 0.536 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.536 ABS 0.0
rhoR207_206r__r238_206r -0.16384 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.16384 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.16377 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.16377 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,077.713 Ma ABS 0.418 Ma
age206_238r_Th 1,077.777 Ma ABS 0.418 Ma
age207_206r 1,087.631 Ma ABS 1.814 Ma
age207_206r_Pa 1,087.627 Ma ABS 1.814 Ma
age207_206r_Th 1,087.503 Ma ABS 1.815 Ma
age207_206r_ThPa 1,087.498 Ma ABS 1.815 Ma
age207_235r 1,081.0 Ma ABS 0.704 Ma
age207_235r_Pa 1,080.998 Ma ABS 0.704 Ma
bestAge 1,077.713 Ma ABS 0.418 Ma
percentDiscordance 0.9119

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 87.82309 ABS 0.0
rTh_Usample 0.87433 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 4,725.37236 ABS 0.0
r207_206s 0.07575 ABS 0.0
r235_207s 0.52639 ABS 0.0
r238_206s 5.49549 ABS 0.0
r238_207s 72.54551 ABS 0.0


Sample Name = MI-WSB1
Legacy = false
Fraction ID = z6
Grain ID = z6
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = zircon
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = MIT X62 Daly
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.0018 ABS 0.0002
alphaU 0.00081 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99191 PCT 0.00592
r270_265m 0.10119 PCT 0.04879
r270_267m 0.10037 PCT 0.05047
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0107 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00164 PCT 0.15218
r206_204m 1,116.28126 PCT 0.1541
r206_205m 1.8237 PCT 0.02273
r206_207m 11.39945 PCT 0.01917
r206_208m 3.31131 PCT 0.01044
r207_204m 97.91642 PCT 0.15484
r207_205m 0.16003 PCT 0.02163
r208_204m 336.95412 PCT 0.15208
r208_205m 0.55084 PCT 0.01289
r233_235m 0.99586 PCT 0.00592
r238_233m 0.10119 PCT 0.04879
r238_235m 0.10077 PCT 0.05047

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18315 ABS 0.00014
r206_238r_Th 0.18316 ABS 0.00014
r207_206r 0.07601 ABS 0.00025
r207_206r_Pa 0.07601 ABS 0.00025
r207_206r_Th 0.076 ABS 0.00025
r207_206r_ThPa 0.076 ABS 0.00025
r207_235r 1.91849 ABS 0.00661
r207_235r_Pa 1.91849 ABS 0.00661
r208_206r 0.27568 ABS 0.0
rhoR206_238r__r207_235r 0.34597 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.34597 ABS 0.0
rhoR206_238r_Th__r207_235r 0.34593 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.34593 ABS 0.0
rhoR207_206r__r238_206r -0.1306 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.1306 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.13057 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.13057 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,084.164 Ma ABS 0.765 Ma
age206_238r_Th 1,084.226 Ma ABS 0.765 Ma
age207_206r 1,094.32 Ma ABS 6.529 Ma
age207_206r_Pa 1,094.315 Ma ABS 6.529 Ma
age207_206r_Th 1,094.195 Ma ABS 6.529 Ma
age207_206r_ThPa 1,094.19 Ma ABS 6.529 Ma
age207_235r 1,087.544 Ma ABS 2.3 Ma
age207_235r_Pa 1,087.543 Ma ABS 2.3 Ma
bestAge 1,084.164 Ma ABS 0.765 Ma
percentDiscordance 0.92803

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 21.94778 ABS 0.0
rTh_Usample 0.9123 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 1,184.32575 ABS 0.0
r207_206s 0.07601 ABS 0.0
r235_207s 0.52124 ABS 0.0
r238_206s 5.45998 ABS 0.0
r238_207s 71.83653 ABS 0.0


Sample Name = MI-WSB1
Legacy = false
Fraction ID = z7
Grain ID = z7
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = zircon
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = MIT X62 Daly
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.0018 ABS 0.0002
alphaU 0.00082 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99256 PCT 0.00344
r270_265m 0.01486 PCT 0.06341
r270_267m 0.01475 PCT 0.06352
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0112 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00033 PCT 0.23254
r206_204m 674.23582 PCT 0.22847
r206_205m 0.22064 PCT 0.00879
r206_207m 10.8754 PCT 0.04125
r206_208m 3.11863 PCT 0.02214
r207_204m 62.01317 PCT 0.23248
r207_205m 0.02029 PCT 0.04101
r208_204m 216.21134 PCT 0.24618
r208_205m 0.07074 PCT 0.01996
r233_235m 0.99651 PCT 0.00344
r238_233m 0.01486 PCT 0.06341
r238_235m 0.0148 PCT 0.06352

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18405 ABS 0.00019
r206_238r_Th 0.18406 ABS 0.00019
r207_206r 0.076 ABS 0.00032
r207_206r_Pa 0.076 ABS 0.00032
r207_206r_Th 0.07599 ABS 0.00032
r207_206r_ThPa 0.07599 ABS 0.00032
r207_235r 1.92771 ABS 0.0086
r207_235r_Pa 1.9277 ABS 0.0086
r208_206r 0.2847 ABS 0.0
rhoR206_238r__r207_235r 0.34717 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.34717 ABS 0.0
rhoR206_238r_Th__r207_235r 0.34713 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.34713 ABS 0.0
rhoR207_206r__r238_206r -0.11988 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.11988 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.11985 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.11985 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,089.077 Ma ABS 1.046 Ma
age206_238r_Th 1,089.138 Ma ABS 1.046 Ma
age207_206r 1,094.073 Ma ABS 8.434 Ma
age207_206r_Pa 1,094.068 Ma ABS 8.434 Ma
age207_206r_Th 1,093.951 Ma ABS 8.434 Ma
age207_206r_ThPa 1,093.946 Ma ABS 8.434 Ma
age207_235r 1,090.744 Ma ABS 2.981 Ma
age207_235r_Pa 1,090.742 Ma ABS 2.981 Ma
bestAge 1,089.077 Ma ABS 1.046 Ma
percentDiscordance 0.45665

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 17.32348 ABS 0.0
rTh_Usample 0.94242 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 932.47347 ABS 0.0
r207_206s 0.076 ABS 0.0
r235_207s 0.51875 ABS 0.0
r238_206s 5.43323 ABS 0.0
r238_207s 71.4933 ABS 0.0


Sample Name = MI-WSB1
Legacy = false
Fraction ID = z8
Grain ID = z8
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = zircon
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = MIT X62 Daly
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.0018 ABS 0.0002
alphaU 0.00078 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99211 PCT 0.00361
r270_265m 0.06734 PCT 0.01932
r270_267m 0.0668 PCT 0.01892
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0107 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00061 PCT 0.16863
r206_204m 1,955.3855 PCT 0.16891
r206_205m 1.18481 PCT 0.00767
r206_207m 12.19783 PCT 0.01579
r206_208m 3.40769 PCT 0.01302
r207_204m 160.24321 PCT 0.17122
r207_205m 0.09717 PCT 0.01695
r208_204m 573.86605 PCT 0.17059
r208_205m 0.34778 PCT 0.0143
r233_235m 0.99606 PCT 0.00361
r238_233m 0.06734 PCT 0.01932
r238_235m 0.06707 PCT 0.01892

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18309 ABS 0.00007
r206_238r_Th 0.1831 ABS 0.00007
r207_206r 0.07589 ABS 0.00013
r207_206r_Pa 0.07589 ABS 0.00013
r207_206r_Th 0.07588 ABS 0.00013
r207_206r_ThPa 0.07588 ABS 0.00013
r207_235r 1.91479 ABS 0.00346
r207_235r_Pa 1.91478 ABS 0.00346
r208_206r 0.28015 ABS 0.0
rhoR206_238r__r207_235r 0.39279 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.39279 ABS 0.0
rhoR206_238r_Th__r207_235r 0.39271 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.39271 ABS 0.0
rhoR207_206r__r238_206r -0.19324 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.19324 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.19316 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.19316 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,083.812 Ma ABS 0.383 Ma
age206_238r_Th 1,083.874 Ma ABS 0.383 Ma
age207_206r 1,091.153 Ma ABS 3.394 Ma
age207_206r_Pa 1,091.149 Ma ABS 3.394 Ma
age207_206r_Th 1,091.029 Ma ABS 3.394 Ma
age207_206r_ThPa 1,091.025 Ma ABS 3.394 Ma
age207_235r 1,086.254 Ma ABS 1.206 Ma
age207_235r_Pa 1,086.252 Ma ABS 1.206 Ma
bestAge 1,083.812 Ma ABS 0.383 Ma
percentDiscordance 0.6728

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 43.13154 ABS 0.0
rTh_Usample 0.92707 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 2,302.50791 ABS 0.0
r207_206s 0.07589 ABS 0.0
r235_207s 0.52225 ABS 0.0
r238_206s 5.46191 ABS 0.0
r238_207s 71.97558 ABS 0.0


Sample Name = MI-WSB1
Legacy = false
Fraction ID = z9
Grain ID = z9
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = zircon
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET2535 v.3.0
Fractionation Corrected Pb = true
Alpha Pb Model ID = #NONE#
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.00179 ABS 0.0
alphaU 0.00093 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99205 PCT 0.00206
r270_265m 0.11553 PCT 0.00678
r270_267m 0.11461 PCT 0.00649
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0116 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00502 PCT 0.00855
r204_205m 0.00031 PCT 0.24863
r206_204m 6,632.35384 PCT 0.25024
r206_205m 2.06746 PCT 0.00689
r206_207m 12.9292 PCT 0.0131
r206_208m 3.85648 PCT 0.01107
r207_204m 512.89502 PCT 0.24904
r207_205m 0.1599 PCT 0.01588
r208_204m 1,719.78942 PCT 0.24764
r208_205m 0.5361 PCT 0.01414
r233_235m 0.996 PCT 0.00206
r238_233m 0.11553 PCT 0.00678
r238_235m 0.11507 PCT 0.00649

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18317 ABS 0.00003
r206_238r_Th 0.18318 ABS 0.00003
r207_206r 0.07576 ABS 0.00003
r207_206r_Pa 0.07576 ABS 0.00003
r207_206r_Th 0.07575 ABS 0.00003
r207_206r_ThPa 0.07575 ABS 0.00003
r207_235r 1.91244 ABS 0.00091
r207_235r_Pa 1.91244 ABS 0.00091
r208_206r 0.25561 ABS 0.0
rhoR206_238r__r207_235r 0.42126 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.42125 ABS 0.0
rhoR206_238r_Th__r207_235r 0.42102 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.42102 ABS 0.0
rhoR207_206r__r238_206r -0.11053 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.11053 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.11008 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.11008 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,084.28 Ma ABS 0.156 Ma
age206_238r_Th 1,084.344 Ma ABS 0.156 Ma
age207_206r 1,087.759 Ma ABS 0.872 Ma
age207_206r_Pa 1,087.754 Ma ABS 0.872 Ma
age207_206r_Th 1,087.629 Ma ABS 0.872 Ma
age207_206r_ThPa 1,087.625 Ma ABS 0.872 Ma
age207_235r 1,085.436 Ma ABS 0.318 Ma
age207_235r_Pa 1,085.435 Ma ABS 0.318 Ma
bestAge 1,084.28 Ma ABS 0.156 Ma
percentDiscordance 0.31984

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 184.88033 ABS 0.0
rTh_Usample 0.84589 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 9,992.67388 ABS 0.0
r207_206s 0.07576 ABS 0.0
r235_207s 0.52289 ABS 0.0
r238_206s 5.45935 ABS 0.0
r238_207s 72.06387 ABS 0.0


Sample Name = MI-WSB1
Legacy = false
Fraction ID = z10
Grain ID = z10
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = zircon
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET2535 v.3.0
Fractionation Corrected Pb = true
Alpha Pb Model ID = #NONE#
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.00183 ABS 0.0
alphaU 0.00089 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99212 PCT 0.00283
r270_265m 0.09416 PCT 0.01646
r270_267m 0.09342 PCT 0.0173
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0097 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00492 PCT 0.0107
r204_205m 0.00174 PCT 0.09146
r206_204m 980.06046 PCT 0.09149
r206_205m 1.70136 PCT 0.0088
r206_207m 11.17158 PCT 0.01582
r206_208m 3.35793 PCT 0.01132
r207_204m 87.7298 PCT 0.09078
r207_205m 0.15229 PCT 0.01751
r208_204m 291.8722 PCT 0.09286
r208_205m 0.5066 PCT 0.01598
r233_235m 0.99607 PCT 0.00283
r238_233m 0.09416 PCT 0.01646
r238_235m 0.09379 PCT 0.0173

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18324 ABS 0.0001
r206_238r_Th 0.18326 ABS 0.0001
r207_206r 0.07593 ABS 0.00028
r207_206r_Pa 0.07593 ABS 0.00028
r207_206r_Th 0.07592 ABS 0.00028
r207_206r_ThPa 0.07592 ABS 0.00028
r207_235r 1.91748 ABS 0.00732
r207_235r_Pa 1.91748 ABS 0.00732
r208_206r 0.26628 ABS 0.0
rhoR206_238r__r207_235r 0.31574 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.31574 ABS 0.0
rhoR206_238r_Th__r207_235r 0.31567 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.31567 ABS 0.0
rhoR207_206r__r238_206r -0.18471 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.18471 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.18465 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.18465 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,084.672 Ma ABS 0.524 Ma
age206_238r_Th 1,084.735 Ma ABS 0.524 Ma
age207_206r 1,092.246 Ma ABS 7.383 Ma
age207_206r_Pa 1,092.241 Ma ABS 7.383 Ma
age207_206r_Th 1,092.119 Ma ABS 7.383 Ma
age207_206r_ThPa 1,092.114 Ma ABS 7.383 Ma
age207_235r 1,087.193 Ma ABS 2.548 Ma
age207_235r_Pa 1,087.191 Ma ABS 2.548 Ma
bestAge 1,084.672 Ma ABS 0.524 Ma
percentDiscordance 0.69344

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 19.14716 ABS 0.0
rTh_Usample 0.88123 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 1,042.75359 ABS 0.0
r207_206s 0.07593 ABS 0.0
r235_207s 0.52152 ABS 0.0
r238_206s 5.45721 ABS 0.0
r238_207s 71.87437 ABS 0.0


Sample Name = MI-WSB1
Legacy = false
Fraction ID = z11
Grain ID = z11
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = zircon
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET2535 v.3.0
Fractionation Corrected Pb = true
Alpha Pb Model ID = #NONE#
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.00178 ABS 0.0
alphaU 0.00088 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99224 PCT 0.00169
r270_265m 0.07556 PCT 0.00784
r270_267m 0.07497 PCT 0.00799
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0119 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00481 PCT 0.00705
r204_205m 0.00026 PCT 0.17671
r206_204m 5,170.77906 PCT 0.17836
r206_205m 1.33281 PCT 0.00565
r206_207m 12.88246 PCT 0.01104
r206_208m 3.4912 PCT 0.00936
r207_204m 401.39893 PCT 0.17838
r207_205m 0.10345 PCT 0.01241
r208_204m 1,481.16671 PCT 0.17855
r208_205m 0.38171 PCT 0.01131
r233_235m 0.99619 PCT 0.00169
r238_233m 0.07556 PCT 0.00784
r238_235m 0.07527 PCT 0.00799

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.1832 ABS 0.00003
r206_238r_Th 0.18321 ABS 0.00003
r207_206r 0.07572 ABS 0.00003
r207_206r_Pa 0.07572 ABS 0.00003
r207_206r_Th 0.07572 ABS 0.00003
r207_206r_ThPa 0.07572 ABS 0.00003
r207_235r 1.91184 ABS 0.001
r207_235r_Pa 1.91184 ABS 0.001
r208_206r 0.28204 ABS 0.0
rhoR206_238r__r207_235r 0.39497 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.39497 ABS 0.0
rhoR206_238r_Th__r207_235r 0.39474 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.39473 ABS 0.0
rhoR207_206r__r238_206r -0.08476 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.08476 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.08431 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.08431 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,084.445 Ma ABS 0.167 Ma
age206_238r_Th 1,084.507 Ma ABS 0.167 Ma
age207_206r 1,086.798 Ma ABS 0.962 Ma
age207_206r_Pa 1,086.793 Ma ABS 0.963 Ma
age207_206r_Th 1,086.675 Ma ABS 0.963 Ma
age207_206r_ThPa 1,086.67 Ma ABS 0.963 Ma
age207_235r 1,085.227 Ma ABS 0.347 Ma
age207_235r_Pa 1,085.226 Ma ABS 0.347 Ma
bestAge 1,084.445 Ma ABS 0.167 Ma
percentDiscordance 0.21649

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 164.36611 ABS 0.0
rTh_Usample 0.93338 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 8,712.2207 ABS 0.0
r207_206s 0.07572 ABS 0.0
r235_207s 0.52306 ABS 0.0
r238_206s 5.45845 ABS 0.0
r238_207s 72.08645 ABS 0.0


Sample Name = MI-WSB1
Legacy = false
Fraction ID = z12
Grain ID = z12
Zircon = true
Time Stamp = October 21, 2017 5:18 PM
Mineral Name = other
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1.0000
Stacey Kramers Correlation Coefficients = 0.5000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = MIT_BlankIC_092315 v.1.0
TracerID = ET2535 v.3.0
Fractionation Corrected Pb = true
Alpha Pb Model ID = #NONE#
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.00172 ABS 0.0
alphaU 0.00086 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.001 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.00205 ABS 0.00002
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99202 PCT 0.00434
r270_265m 0.1009 PCT 0.02606
r270_267m 0.1001 PCT 0.02529
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0114 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00468 PCT 0.01407
r204_205m 0.00041 PCT 0.44823
r206_204m 4,385.72237 PCT 0.44861
r206_205m 1.79954 PCT 0.01529
r206_207m 12.77709 PCT 0.02483
r206_208m 3.8536 PCT 0.02848
r207_204m 343.27022 PCT 0.44845
r207_205m 0.14084 PCT 0.03102
r208_204m 1,138.44164 PCT 0.45374
r208_205m 0.46704 PCT 0.03254
r233_235m 0.99597 PCT 0.00434
r238_233m 0.1009 PCT 0.02606
r238_235m 0.1005 PCT 0.02529

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.1831 ABS 0.00006
r206_238r_Th 0.18311 ABS 0.00006
r207_206r 0.07567 ABS 0.00005
r207_206r_Pa 0.07567 ABS 0.00005
r207_206r_Th 0.07567 ABS 0.00005
r207_206r_ThPa 0.07567 ABS 0.00005
r207_235r 1.90962 ABS 0.00159
r207_235r_Pa 1.90961 ABS 0.00159
r208_206r 0.25349 ABS 0.0
rhoR206_238r__r207_235r 0.4776 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.4776 ABS 0.0
rhoR206_238r_Th__r207_235r 0.47754 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.47754 ABS 0.0
rhoR207_206r__r238_206r -0.08792 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.08792 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.08782 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.08782 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,083.889 Ma ABS 0.334 Ma
age206_238r_Th 1,083.954 Ma ABS 0.334 Ma
age207_206r 1,085.58 Ma ABS 1.472 Ma
age207_206r_Pa 1,085.575 Ma ABS 1.472 Ma
age207_206r_Th 1,085.45 Ma ABS 1.473 Ma
age207_206r_ThPa 1,085.445 Ma ABS 1.473 Ma
age207_235r 1,084.451 Ma ABS 0.555 Ma
age207_235r_Pa 1,084.449 Ma ABS 0.555 Ma
bestAge 1,083.889 Ma ABS 0.334 Ma
percentDiscordance 0.15578

Compositional Measures
Name Value Uncertainty Type One Sigma
concPb206_ib 0.0 ABS 0.0
concPb206_r 0.0 ABS 0.0
concPb206_rib 0.0 ABS 0.0
concPb_ib 0.0 ABS 0.0
concPb_r 0.0 ABS 0.0
concPb_rib 0.0 ABS 0.0
concU 0.0 ABS 0.0
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 108.50236 ABS 0.0
rTh_Usample 0.83887 ABS 0.0
totCommonPbMass 0.0 ABS 0.0
totRadiogenicPbMass 0.0 ABS 0.0

Sample Isochron Ratios
Name Value Uncertainty Type One Sigma
r206_204tfc 5,881.74215 ABS 0.0
r207_206s 0.07567 ABS 0.0
r235_207s 0.52367 ABS 0.0
r238_206s 5.46149 ABS 0.0
r238_207s 72.17048 ABS 0.0




filename:16537.xml
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