This sample belongs to: Noah McLean

Sample Unique Identifier = SAB000002 (Detail)
Aliquot Unique Identifier = Deprecated
Aliquot Name = zircon
Analysis Purpose = NONE
Laboratory Name = MIT Isotope Lab
Analyst Name = T. Blackburn
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: 201274184.4544912278652191162109375
Uncertainty Type: ABS
One Sigma: 15964.094434971580994897522032260894775390625
Mean Squared Weighted Deviation: 0.7128303568700344872155483244569040834903717041015625
Internal Two Sigma Uncertainty: 31928.18886994316198979504406452178955078125
PlusInternal Two Sigma Uncertainty:
Minus Internal Two Sigma Uncertainty:
Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty: 61621.82424496836028993129730224609375
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: 224033.40437131319777108728885650634765625
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:
202_z1
202_z3
202_z4
202_z5
202_z6
202_z7
202_z8
202_z9
202_z15
202_z17
202_z18
202_z19
202_z20
202_z21
202_z22

Explanation: Explanation
Comment: Comment
Preferred: true



Analysis Fractions
Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z1
Grain ID = 202_z1
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00199 ABS 0.0
alphaU 0.0009 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99009 PCT 0.00514
r270_265m 0.38107 PCT 0.00975
r270_267m 0.37736 PCT 0.0101
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.01 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00456 PCT 0.02252
r204_205m 0.00033 PCT 0.68024
r206_204m 3,631.49825 PCT 0.70048
r206_205m 1.20541 PCT 0.02555
r206_207m 18.7691 PCT 0.06619
r206_208m 1.07389 PCT 0.02988
r207_204m 191.90291 PCT 0.64892
r207_205m 0.06415 PCT 0.07488
r208_204m 3,387.03184 PCT 0.83799
r208_205m 1.12221 PCT 0.04258
r233_235m 0.99402 PCT 0.00514
r238_233m 0.38107 PCT 0.00975
r238_235m 0.37886 PCT 0.0101

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03171 ABS 0.00001
r206_238r_Th 0.03171 ABS 0.00001
r207_206r 0.05015 ABS 0.00003
r207_206r_Pa 0.05015 ABS 0.00003
r207_206r_Th 0.05014 ABS 0.00003
r207_206r_ThPa 0.05014 ABS 0.00003
r207_235r 0.21913 ABS 0.00021
r207_235r_Pa 0.21912 ABS 0.00021
r208_206r 0.92661 ABS 0.0
rhoR206_238r__r207_235r 0.85502 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.85481 ABS 0.0
rhoR206_238r_Th__r207_235r 0.85422 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.85401 ABS 0.0
rhoR207_206r__r238_206r -0.71118 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.71082 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.70973 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.70937 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.215 Ma ABS 0.067 Ma
age206_238r_Th 201.243 Ma ABS 0.067 Ma
age207_206r 200.819 Ma ABS 1.582 Ma
age207_206r_Pa 200.77 Ma ABS 1.583 Ma
age207_206r_Th 200.486 Ma ABS 1.584 Ma
age207_206r_ThPa 200.436 Ma ABS 1.584 Ma
age207_235r 201.184 Ma ABS 0.173 Ma
age207_235r_Pa 201.18 Ma ABS 0.173 Ma
percentDiscordance -0.19683

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 144.17612 ABS 0.0
rTh_Usample 2.92326 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 5,307.79603 ABS 0.0
r207_206s 0.05015 ABS 0.0
r235_207s 4.56355 ABS 0.0
r238_206s 31.54008 ABS 0.0
r238_207s 628.93867 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z2
Grain ID = 202_z2
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00231 ABS 0.0
alphaU 0.00089 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99055 PCT 0.00445
r270_265m 0.31529 PCT 0.00821
r270_267m 0.31231 PCT 0.00795
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.01 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00633 PCT 0.02663
r204_205m 0.00039 PCT 0.45957
r206_204m 2,526.94064 PCT 0.46895
r206_205m 0.9962 PCT 0.02534
r206_207m 18.22148 PCT 0.04198
r206_208m 1.79446 PCT 0.02428
r207_204m 138.61536 PCT 0.46462
r207_205m 0.05466 PCT 0.05065
r208_204m 1,408.68694 PCT 0.46416
r208_205m 0.55468 PCT 0.03722
r233_235m 0.99449 PCT 0.00445
r238_233m 0.31529 PCT 0.00821
r238_235m 0.31356 PCT 0.00795

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03167 ABS 0.00001
r206_238r_Th 0.03168 ABS 0.00001
r207_206r 0.05025 ABS 0.00005
r207_206r_Pa 0.05025 ABS 0.00005
r207_206r_Th 0.05023 ABS 0.00005
r207_206r_ThPa 0.05023 ABS 0.00005
r207_235r 0.21929 ABS 0.00026
r207_235r_Pa 0.21929 ABS 0.00026
r208_206r 0.54802 ABS 0.0
rhoR206_238r__r207_235r 0.57696 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.57686 ABS 0.0
rhoR206_238r_Th__r207_235r 0.57692 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.57683 ABS 0.0
rhoR207_206r__r238_206r -0.35851 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.35844 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.35857 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.3585 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 200.976 Ma ABS 0.063 Ma
age206_238r_Th 201.036 Ma ABS 0.063 Ma
age207_206r 205.374 Ma ABS 2.41 Ma
age207_206r_Pa 205.325 Ma ABS 2.411 Ma
age207_206r_Th 204.669 Ma ABS 2.41 Ma
age207_206r_ThPa 204.62 Ma ABS 2.411 Ma
age207_235r 201.322 Ma ABS 0.217 Ma
age207_235r_Pa 201.318 Ma ABS 0.217 Ma
percentDiscordance 2.1414

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 75.31087 ABS 0.0
rTh_Usample 1.72859 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 3,439.70614 ABS 0.0
r207_206s 0.05025 ABS 0.0
r235_207s 4.56009 ABS 0.0
r238_206s 31.57814 ABS 0.0
r238_207s 628.46308 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z3
Grain ID = 202_z3
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00221 ABS 0.0
alphaU 0.00093 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99045 PCT 0.00293
r270_265m 0.34025 PCT 0.00569
r270_267m 0.337 PCT 0.00536
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0133 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00556 PCT 0.01524
r204_205m 0.00039 PCT 0.46732
r206_204m 2,766.35197 PCT 0.5093
r206_205m 1.07684 PCT 0.02082
r206_207m 18.4131 PCT 0.05016
r206_208m 1.65006 PCT 0.02072
r207_204m 149.85241 PCT 0.5682
r207_205m 0.05852 PCT 0.0547
r208_204m 1,669.29889 PCT 0.53461
r208_205m 0.65279 PCT 0.02717
r233_235m 0.99439 PCT 0.00293
r238_233m 0.34025 PCT 0.00569
r238_235m 0.33834 PCT 0.00536

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03171 ABS 0.00001
r206_238r_Th 0.03172 ABS 0.00001
r207_206r 0.05015 ABS 0.00007
r207_206r_Pa 0.05015 ABS 0.00007
r207_206r_Th 0.05013 ABS 0.00007
r207_206r_ThPa 0.05013 ABS 0.00007
r207_235r 0.21913 ABS 0.00035
r207_235r_Pa 0.21913 ABS 0.00035
r208_206r 0.59851 ABS 0.0
rhoR206_238r__r207_235r 0.80099 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.80092 ABS 0.0
rhoR206_238r_Th__r207_235r 0.8009 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.80083 ABS 0.0
rhoR207_206r__r238_206r -0.71759 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.7175 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.71751 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.71743 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.222 Ma ABS 0.06 Ma
age206_238r_Th 201.278 Ma ABS 0.06 Ma
age207_206r 200.758 Ma ABS 3.126 Ma
age207_206r_Pa 200.709 Ma ABS 3.126 Ma
age207_206r_Th 200.103 Ma ABS 3.127 Ma
age207_206r_ThPa 200.054 Ma ABS 3.127 Ma
age207_235r 201.185 Ma ABS 0.288 Ma
age207_235r_Pa 201.182 Ma ABS 0.288 Ma
percentDiscordance -0.23104

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 85.78222 ABS 0.0
rTh_Usample 1.88791 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 3,795.58847 ABS 0.0
r207_206s 0.05015 ABS 0.0
r235_207s 4.5635 ABS 0.0
r238_206s 31.53895 ABS 0.0
r238_207s 628.93265 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z4
Grain ID = 202_z4
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00236 ABS 0.0
alphaU 0.0009 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99101 PCT 0.00331
r270_265m 0.25415 PCT 0.00827
r270_267m 0.25188 PCT 0.00747
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.014 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00607 PCT 0.01721
r204_205m 0.00035 PCT 0.28256
r206_204m 2,295.73337 PCT 0.28154
r206_205m 0.80262 PCT 0.01738
r206_207m 18.18641 PCT 0.03679
r206_208m 0.93721 PCT 0.01727
r207_204m 126.23587 PCT 0.28898
r207_205m 0.04412 PCT 0.04178
r208_204m 2,449.41298 PCT 0.28412
r208_205m 0.85603 PCT 0.02737
r233_235m 0.99495 PCT 0.00331
r238_233m 0.25415 PCT 0.00827
r238_235m 0.25288 PCT 0.00747

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03171 ABS 0.00001
r206_238r_Th 0.03171 ABS 0.00001
r207_206r 0.05004 ABS 0.00005
r207_206r_Pa 0.05004 ABS 0.00005
r207_206r_Th 0.05004 ABS 0.00005
r207_206r_ThPa 0.05004 ABS 0.00005
r207_235r 0.2187 ABS 0.00024
r207_235r_Pa 0.2187 ABS 0.00024
r208_206r 1.06037 ABS 0.0
rhoR206_238r__r207_235r 0.42793 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.42785 ABS 0.0
rhoR206_238r_Th__r207_235r 0.42788 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.4278 ABS 0.0
rhoR207_206r__r238_206r -0.23606 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.23602 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.23605 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.236 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.254 Ma ABS 0.046 Ma
age206_238r_Th 201.272 Ma ABS 0.046 Ma
age207_206r 195.85 Ma ABS 2.388 Ma
age207_206r_Pa 195.801 Ma ABS 2.388 Ma
age207_206r_Th 195.647 Ma ABS 2.388 Ma
age207_206r_ThPa 195.598 Ma ABS 2.389 Ma
age207_235r 200.83 Ma ABS 0.201 Ma
age207_235r_Pa 200.826 Ma ABS 0.201 Ma
percentDiscordance -2.75938

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 94.89614 ABS 0.0
rTh_Usample 3.34543 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 3,278.35056 ABS 0.0
r207_206s 0.05004 ABS 0.0
r235_207s 4.5724 ABS 0.0
r238_206s 31.53377 ABS 0.0
r238_207s 630.15944 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z5
Grain ID = 202_z5
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00224 ABS 0.0
alphaU 0.00089 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.9895 PCT 0.00426
r270_265m 0.46305 PCT 0.00585
r270_267m 0.45819 PCT 0.005
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0102 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00604 PCT 0.02044
r204_205m 0.00068 PCT 0.37535
r206_204m 2,168.60595 PCT 0.37323
r206_205m 1.47143 PCT 0.01997
r206_207m 17.78318 PCT 0.02665
r206_208m 1.73373 PCT 0.01658
r207_204m 120.89886 PCT 0.27596
r207_205m 0.08273 PCT 0.03055
r208_204m 1,240.26199 PCT 0.27288
r208_205m 0.84852 PCT 0.02148
r233_235m 0.99343 PCT 0.00426
r238_233m 0.46305 PCT 0.00585
r238_235m 0.46001 PCT 0.005

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03169 ABS 0.00001
r206_238r_Th 0.0317 ABS 0.00001
r207_206r 0.0503 ABS 0.00004
r207_206r_Pa 0.0503 ABS 0.00004
r207_206r_Th 0.05029 ABS 0.00004
r207_206r_ThPa 0.05029 ABS 0.00004
r207_235r 0.21972 ABS 0.00018
r207_235r_Pa 0.21971 ABS 0.00018
r208_206r 0.56554 ABS 0.0
rhoR206_238r__r207_235r 0.49609 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.49593 ABS 0.0
rhoR206_238r_Th__r207_235r 0.49633 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.49616 ABS 0.0
rhoR207_206r__r238_206r -0.20853 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.20845 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.20891 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.20882 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.139 Ma ABS 0.051 Ma
age206_238r_Th 201.198 Ma ABS 0.051 Ma
age207_206r 207.958 Ma ABS 1.693 Ma
age207_206r_Pa 207.909 Ma ABS 1.694 Ma
age207_206r_Th 207.271 Ma ABS 1.693 Ma
age207_206r_ThPa 207.222 Ma ABS 1.694 Ma
age207_235r 201.676 Ma ABS 0.151 Ma
age207_235r_Pa 201.672 Ma ABS 0.151 Ma
percentDiscordance 3.27869

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 56.65792 ABS 0.0
rTh_Usample 1.78387 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 2,564.15937 ABS 0.0
r207_206s 0.0503 ABS 0.0
r235_207s 4.55126 ABS 0.0
r238_206s 31.55207 ABS 0.0
r238_207s 627.24517 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z6
Grain ID = 202_z6
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00269 ABS 0.0
alphaU 0.00089 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.9919 PCT 0.00392
r270_265m 0.12599 PCT 0.01765
r270_267m 0.12498 PCT 0.01703
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0091 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00601 PCT 0.01836
r204_205m 0.00038 PCT 0.46054
r206_204m 1,040.94051 PCT 0.50853
r206_205m 0.39595 PCT 0.02388
r206_207m 16.32375 PCT 0.0719
r206_208m 1.31214 PCT 0.02681
r207_204m 63.45764 PCT 0.51088
r207_205m 0.02426 PCT 0.0773
r208_204m 789.595 PCT 0.50753
r208_205m 0.30161 PCT 0.03226
r233_235m 0.99585 PCT 0.00392
r238_233m 0.12599 PCT 0.01765
r238_235m 0.12547 PCT 0.01703

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03172 ABS 0.00001
r206_238r_Th 0.03172 ABS 0.00001
r207_206r 0.05018 ABS 0.00013
r207_206r_Pa 0.05018 ABS 0.00013
r207_206r_Th 0.05017 ABS 0.00013
r207_206r_ThPa 0.05017 ABS 0.00013
r207_235r 0.21934 ABS 0.00064
r207_235r_Pa 0.21934 ABS 0.00064
r208_206r 0.74338 ABS 0.0
rhoR206_238r__r207_235r 0.90186 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.90183 ABS 0.0
rhoR206_238r_Th__r207_235r 0.9018 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.90178 ABS 0.0
rhoR207_206r__r238_206r -0.86561 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.86558 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.86555 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.86552 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.275 Ma ABS 0.093 Ma
age206_238r_Th 201.319 Ma ABS 0.093 Ma
age207_206r 202.373 Ma ABS 5.845 Ma
age207_206r_Pa 202.323 Ma ABS 5.846 Ma
age207_206r_Th 201.86 Ma ABS 5.846 Ma
age207_206r_ThPa 201.811 Ma ABS 5.847 Ma
age207_235r 201.361 Ma ABS 0.536 Ma
age207_235r_Pa 201.357 Ma ABS 0.536 Ma
percentDiscordance 0.54243

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 35.08371 ABS 0.0
rTh_Usample 2.34504 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 1,437.71892 ABS 0.0
r207_206s 0.05018 ABS 0.0
r235_207s 4.55911 ABS 0.0
r238_206s 31.53051 ABS 0.0
r238_207s 628.32729 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z7
Grain ID = 202_z7
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00262 ABS 0.0
alphaU 0.00089 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99158 PCT 0.00625
r270_265m 0.16996 PCT 0.02582
r270_267m 0.16853 PCT 0.02433
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0087 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.0046 PCT 0.05321
r204_205m 0.00048 PCT 1.26568
r206_204m 1,126.80356 PCT 1.29939
r206_205m 0.53763 PCT 0.06928
r206_207m 16.41424 PCT 0.18227
r206_208m 1.2904 PCT 0.06125
r207_204m 68.42798 PCT 1.34676
r207_205m 0.03268 PCT 0.17049
r208_204m 873.1761 PCT 1.30016
r208_205m 0.41686 PCT 0.09866
r233_235m 0.99553 PCT 0.00625
r238_233m 0.16996 PCT 0.02582
r238_235m 0.1692 PCT 0.02433

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03172 ABS 0.00003
r206_238r_Th 0.03173 ABS 0.00003
r207_206r 0.04993 ABS 0.00024
r207_206r_Pa 0.04992 ABS 0.00024
r207_206r_Th 0.04991 ABS 0.00024
r207_206r_ThPa 0.04991 ABS 0.00024
r207_235r 0.21829 ABS 0.00115
r207_235r_Pa 0.21828 ABS 0.00115
r208_206r 0.75761 ABS 0.0
rhoR206_238r__r207_235r 0.53239 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.53238 ABS 0.0
rhoR206_238r_Th__r207_235r 0.5323 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.5323 ABS 0.0
rhoR207_206r__r238_206r -0.39522 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.39522 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.39518 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.39518 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.335 Ma ABS 0.175 Ma
age206_238r_Th 201.378 Ma ABS 0.175 Ma
age207_206r 190.47 Ma ABS 11.251 Ma
age207_206r_Pa 190.42 Ma ABS 11.252 Ma
age207_206r_Th 189.97 Ma ABS 11.253 Ma
age207_206r_ThPa 189.92 Ma ABS 11.253 Ma
age207_235r 200.483 Ma ABS 0.955 Ma
age207_235r_Pa 200.479 Ma ABS 0.955 Ma
percentDiscordance -5.70448

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 35.23764 ABS 0.0
rTh_Usample 2.38993 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 1,432.86982 ABS 0.0
r207_206s 0.04993 ABS 0.0
r235_207s 4.58113 ABS 0.0
r238_206s 31.52097 ABS 0.0
r238_207s 631.36286 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z8
Grain ID = 202_z8
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00221 ABS 0.0
alphaU 0.0009 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99167 PCT 0.00418
r270_265m 0.16217 PCT 0.01161
r270_267m 0.16082 PCT 0.01046
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0089 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00592 PCT 0.01538
r204_205m 0.00061 PCT 0.58503
r206_204m 850.82113 PCT 0.5902
r206_205m 0.51478 PCT 0.02424
r206_207m 15.33577 PCT 0.07019
r206_208m 1.74359 PCT 0.03024
r207_204m 54.66508 PCT 0.42732
r207_205m 0.03355 PCT 0.06932
r208_204m 480.51906 PCT 0.42617
r208_205m 0.29511 PCT 0.03006
r233_235m 0.99562 PCT 0.00418
r238_233m 0.16217 PCT 0.01161
r238_235m 0.16146 PCT 0.01046

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.0317 ABS 0.00001
r206_238r_Th 0.03171 ABS 0.00001
r207_206r 0.05029 ABS 0.00011
r207_206r_Pa 0.05029 ABS 0.00011
r207_206r_Th 0.05027 ABS 0.00011
r207_206r_ThPa 0.05027 ABS 0.00011
r207_235r 0.21968 ABS 0.00052
r207_235r_Pa 0.21968 ABS 0.00052
r208_206r 0.54495 ABS 0.0
rhoR206_238r__r207_235r 0.71775 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.71772 ABS 0.0
rhoR206_238r_Th__r207_235r 0.71798 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.71796 ABS 0.0
rhoR207_206r__r238_206r -0.61727 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.61724 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.6176 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.61757 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.162 Ma ABS 0.082 Ma
age206_238r_Th 201.222 Ma ABS 0.082 Ma
age207_206r 207.291 Ma ABS 4.889 Ma
age207_206r_Pa 207.242 Ma ABS 4.89 Ma
age207_206r_Th 206.584 Ma ABS 4.89 Ma
age207_206r_ThPa 206.535 Ma ABS 4.89 Ma
age207_235r 201.644 Ma ABS 0.436 Ma
age207_235r_Pa 201.64 Ma ABS 0.436 Ma
percentDiscordance 2.95672

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 22.17003 ABS 0.0
rTh_Usample 1.7189 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 1,027.49988 ABS 0.0
r207_206s 0.05029 ABS 0.0
r235_207s 4.55205 ABS 0.0
r238_206s 31.54852 ABS 0.0
r238_207s 627.355 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z9
Grain ID = 202_z9
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00251 ABS 0.0
alphaU 0.00092 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99209 PCT 0.00242
r270_265m 0.10833 PCT 0.01117
r270_267m 0.10747 PCT 0.0109
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0135 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00655 PCT 0.01778
r204_205m 0.0004 PCT 0.32412
r206_204m 838.56484 PCT 0.36991
r206_205m 0.34052 PCT 0.0244
r206_207m 15.55628 PCT 0.07277
r206_208m 1.39398 PCT 0.03695
r207_204m 53.99499 PCT 0.34586
r207_205m 0.02187 PCT 0.0745
r208_204m 601.45871 PCT 0.37244
r208_205m 0.24407 PCT 0.0387
r233_235m 0.99604 PCT 0.00242
r238_233m 0.10833 PCT 0.01117
r238_235m 0.1079 PCT 0.0109

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03173 ABS 0.00001
r206_238r_Th 0.03174 ABS 0.00001
r207_206r 0.05028 ABS 0.00014
r207_206r_Pa 0.05028 ABS 0.00014
r207_206r_Th 0.05027 ABS 0.00014
r207_206r_ThPa 0.05027 ABS 0.00014
r207_235r 0.21988 ABS 0.00068
r207_235r_Pa 0.21988 ABS 0.00068
r208_206r 0.69283 ABS 0.0
rhoR206_238r__r207_235r 0.84175 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.84173 ABS 0.0
rhoR206_238r_Th__r207_235r 0.84162 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.8416 ABS 0.0
rhoR207_206r__r238_206r -0.79048 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.79046 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.79033 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.79031 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.374 Ma ABS 0.091 Ma
age206_238r_Th 201.422 Ma ABS 0.091 Ma
age207_206r 206.915 Ma ABS 6.296 Ma
age207_206r_Pa 206.866 Ma ABS 6.296 Ma
age207_206r_Th 206.353 Ma ABS 6.297 Ma
age207_206r_ThPa 206.304 Ma ABS 6.297 Ma
age207_235r 201.81 Ma ABS 0.565 Ma
age207_235r_Pa 201.806 Ma ABS 0.565 Ma
percentDiscordance 2.67806

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 26.82183 ABS 0.0
rTh_Usample 2.18552 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 1,135.07608 ABS 0.0
r207_206s 0.05028 ABS 0.0
r235_207s 4.54793 ABS 0.0
r238_206s 31.5148 ABS 0.0
r238_207s 626.78595 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z15
Grain ID = 202_z15
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00193 ABS 0.0
alphaU 0.00084 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99003 PCT 0.00517
r270_265m 0.37295 PCT 0.00862
r270_267m 0.36923 PCT 0.00777
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.01 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00606 PCT 0.01721
r204_205m 0.00033 PCT 0.52481
r206_204m 3,566.38428 PCT 0.52651
r206_205m 1.17899 PCT 0.01379
r206_207m 18.75197 PCT 0.0429
r206_208m 1.65905 PCT 0.0143
r207_204m 189.60919 PCT 0.47357
r207_205m 0.0629 PCT 0.04134
r208_204m 2,142.88034 PCT 0.48251
r208_205m 0.71061 PCT 0.02235
r233_235m 0.99396 PCT 0.00517
r238_233m 0.37295 PCT 0.00862
r238_235m 0.37069 PCT 0.00777

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03171 ABS 0.00001
r206_238r_Th 0.03171 ABS 0.00001
r207_206r 0.05023 ABS 0.00002
r207_206r_Pa 0.05023 ABS 0.00002
r207_206r_Th 0.05021 ABS 0.00002
r207_206r_ThPa 0.05021 ABS 0.00002
r207_235r 0.21948 ABS 0.00011
r207_235r_Pa 0.21947 ABS 0.00011
r208_206r 0.59699 ABS 0.0
rhoR206_238r__r207_235r 0.45771 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.45733 ABS 0.0
rhoR206_238r_Th__r207_235r 0.45801 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.45764 ABS 0.0
rhoR207_206r__r238_206r -0.04468 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.04463 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.04519 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.04515 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.212 Ma ABS 0.043 Ma
age206_238r_Th 201.268 Ma ABS 0.043 Ma
age207_206r 204.535 Ma ABS 1.076 Ma
age207_206r_Pa 204.486 Ma ABS 1.077 Ma
age207_206r_Th 203.879 Ma ABS 1.076 Ma
age207_206r_ThPa 203.83 Ma ABS 1.077 Ma
age207_235r 201.474 Ma ABS 0.095 Ma
age207_235r_Pa 201.47 Ma ABS 0.095 Ma
percentDiscordance 1.62462

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 118.04873 ABS 0.0
rTh_Usample 1.88312 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 5,220.90609 ABS 0.0
r207_206s 0.05023 ABS 0.0
r235_207s 4.55631 ABS 0.0
r238_206s 31.5405 ABS 0.0
r238_207s 627.94104 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z17
Grain ID = 202_z17
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00221 ABS 0.0
alphaU 0.00093 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99163 PCT 0.00327
r270_265m 0.17356 PCT 0.01078
r270_267m 0.17211 PCT 0.01111
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0114 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00607 PCT 0.0148
r204_205m 0.00037 PCT 0.31507
r206_204m 1,478.59736 PCT 0.31936
r206_205m 0.54687 PCT 0.01372
r206_207m 17.24196 PCT 0.05404
r206_208m 1.85705 PCT 0.02783
r207_204m 85.6075 PCT 0.32842
r207_205m 0.03168 PCT 0.05621
r208_204m 794.38448 PCT 0.31991
r208_205m 0.29444 PCT 0.02587
r233_235m 0.99558 PCT 0.00327
r238_233m 0.17356 PCT 0.01078
r238_235m 0.1728 PCT 0.01111

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03171 ABS 0.00001
r206_238r_Th 0.03172 ABS 0.00001
r207_206r 0.05017 ABS 0.00008
r207_206r_Pa 0.05017 ABS 0.00008
r207_206r_Th 0.05016 ABS 0.00008
r207_206r_ThPa 0.05015 ABS 0.00008
r207_235r 0.21923 ABS 0.00038
r207_235r_Pa 0.21923 ABS 0.00038
r208_206r 0.52341 ABS 0.0
rhoR206_238r__r207_235r 0.5241 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.52406 ABS 0.0
rhoR206_238r_Th__r207_235r 0.52386 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.52382 ABS 0.0
rhoR207_206r__r238_206r -0.40589 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.40586 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.40567 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.40564 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.216 Ma ABS 0.051 Ma
age206_238r_Th 201.278 Ma ABS 0.051 Ma
age207_206r 201.911 Ma ABS 3.776 Ma
age207_206r_Pa 201.862 Ma ABS 3.777 Ma
age207_206r_Th 201.183 Ma ABS 3.777 Ma
age207_206r_ThPa 201.134 Ma ABS 3.778 Ma
age207_235r 201.27 Ma ABS 0.319 Ma
age207_235r_Pa 201.266 Ma ABS 0.319 Ma
percentDiscordance 0.34453

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 44.29972 ABS 0.0
rTh_Usample 1.65096 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 2,062.67331 ABS 0.0
r207_206s 0.05017 ABS 0.0
r235_207s 4.56138 ABS 0.0
r238_206s 31.53996 ABS 0.0
r238_207s 628.64049 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z18
Grain ID = 202_z18
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00182 ABS 0.0
alphaU 0.0009 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99207 PCT 0.00289
r270_265m 0.10455 PCT 0.01259
r270_267m 0.10375 PCT 0.01031
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0122 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.0059 PCT 0.01954
r204_205m 0.00027 PCT 0.56482
r206_204m 1,207.58281 PCT 0.56951
r206_205m 0.32598 PCT 0.02067
r206_207m 17.06572 PCT 0.06944
r206_208m 2.01934 PCT 0.01956
r207_204m 70.71823 PCT 0.57928
r207_205m 0.01908 PCT 0.09538
r208_204m 597.99135 PCT 0.56882
r208_205m 0.16135 PCT 0.02605
r233_235m 0.99602 PCT 0.00289
r238_233m 0.10455 PCT 0.01259
r238_235m 0.10416 PCT 0.01031

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03172 ABS 0.00001
r206_238r_Th 0.03173 ABS 0.00001
r207_206r 0.04995 ABS 0.00011
r207_206r_Pa 0.04995 ABS 0.00011
r207_206r_Th 0.04993 ABS 0.00011
r207_206r_ThPa 0.04993 ABS 0.00011
r207_235r 0.21835 ABS 0.00053
r207_235r_Pa 0.21835 ABS 0.00053
r208_206r 0.47787 ABS 0.0
rhoR206_238r__r207_235r 0.86381 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.86378 ABS 0.0
rhoR206_238r_Th__r207_235r 0.86373 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.8637 ABS 0.0
rhoR207_206r__r238_206r -0.8284 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.82836 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.82832 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.82828 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.305 Ma ABS 0.06 Ma
age206_238r_Th 201.371 Ma ABS 0.06 Ma
age207_206r 191.548 Ma ABS 5.049 Ma
age207_206r_Pa 191.499 Ma ABS 5.049 Ma
age207_206r_Th 190.774 Ma ABS 5.05 Ma
age207_206r_ThPa 190.725 Ma ABS 5.05 Ma
age207_235r 200.54 Ma ABS 0.442 Ma
age207_235r_Pa 200.536 Ma ABS 0.442 Ma
percentDiscordance -5.0936

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 41.06794 ABS 0.0
rTh_Usample 1.50731 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 1,970.66652 ABS 0.0
r207_206s 0.04995 ABS 0.0
r235_207s 4.5797 ABS 0.0
r238_206s 31.52573 ABS 0.0
r238_207s 631.16557 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z19
Grain ID = 202_z19
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 -0.00158 ABS 0.0
alphaU 0.00082 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99158 PCT 0.00423
r270_265m 0.15133 PCT 0.01455
r270_267m 0.15006 PCT 0.0142
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0125 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00685 PCT 0.01847
r204_205m 0.00041 PCT 0.49861
r206_204m 1,168.34491 PCT 0.48577
r206_205m 0.47675 PCT 0.0168
r206_207m 16.54597 PCT 0.06889
r206_208m 1.44946 PCT 0.0329
r207_204m 70.04632 PCT 0.45465
r207_205m 0.02881 PCT 0.06003
r208_204m 800.04456 PCT 0.40326
r208_205m 0.32885 PCT 0.02962
r233_235m 0.99552 PCT 0.00423
r238_233m 0.15133 PCT 0.01455
r238_235m 0.15065 PCT 0.0142

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03171 ABS 0.00001
r206_238r_Th 0.03172 ABS 0.00001
r207_206r 0.05041 ABS 0.0001
r207_206r_Pa 0.05041 ABS 0.0001
r207_206r_Th 0.0504 ABS 0.0001
r207_206r_ThPa 0.0504 ABS 0.0001
r207_235r 0.22032 ABS 0.00046
r207_235r_Pa 0.22032 ABS 0.00046
r208_206r 0.6723 ABS 0.0
rhoR206_238r__r207_235r 0.15242 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.15241 ABS 0.0
rhoR206_238r_Th__r207_235r 0.15248 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.15247 ABS 0.0
rhoR207_206r__r238_206r -0.0196 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.0196 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.01967 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.01967 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.255 Ma ABS 0.054 Ma
age206_238r_Th 201.305 Ma ABS 0.054 Ma
age207_206r 212.965 Ma ABS 4.733 Ma
age207_206r_Pa 212.917 Ma ABS 4.733 Ma
age207_206r_Th 212.384 Ma ABS 4.733 Ma
age207_206r_ThPa 212.335 Ma ABS 4.734 Ma
age207_235r 202.179 Ma ABS 0.379 Ma
age207_235r_Pa 202.175 Ma ABS 0.379 Ma
percentDiscordance 5.49872

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 37.02025 ABS 0.0
rTh_Usample 2.12074 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 1,578.01619 ABS 0.0
r207_206s 0.05041 ABS 0.0
r235_207s 4.53878 ABS 0.0
r238_206s 31.53366 ABS 0.0
r238_207s 625.52621 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z20
Grain ID = 202_z20
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00218 ABS 0.0
alphaU 0.00092 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.9923 PCT 0.00202
r270_265m 0.07718 PCT 0.00716
r270_267m 0.07659 PCT 0.0064
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0246 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00579 PCT 0.0153
r204_205m 0.00028 PCT 0.64175
r206_204m 860.41292 PCT 0.66632
r206_205m 0.23898 PCT 0.01779
r206_207m 15.99933 PCT 0.06045
r206_208m 1.66528 PCT 0.02705
r207_204m 53.51382 PCT 0.63967
r207_205m 0.01493 PCT 0.06728
r208_204m 515.86682 PCT 0.66312
r208_205m 0.14347 PCT 0.02752
r233_235m 0.99625 PCT 0.00202
r238_233m 0.07718 PCT 0.00716
r238_235m 0.0769 PCT 0.0064

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.0317 ABS 0.00001
r206_238r_Th 0.03171 ABS 0.00001
r207_206r 0.05031 ABS 0.00014
r207_206r_Pa 0.05031 ABS 0.00014
r207_206r_Th 0.05029 ABS 0.00014
r207_206r_ThPa 0.05029 ABS 0.00014
r207_235r 0.21979 ABS 0.0007
r207_235r_Pa 0.21979 ABS 0.0007
r208_206r 0.57767 ABS 0.0
rhoR206_238r__r207_235r 0.96395 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.96392 ABS 0.0
rhoR206_238r_Th__r207_235r 0.96389 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.96387 ABS 0.0
rhoR207_206r__r238_206r -0.95438 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.95435 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.95431 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.95428 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.185 Ma ABS 0.081 Ma
age206_238r_Th 201.243 Ma ABS 0.081 Ma
age207_206r 208.171 Ma ABS 6.517 Ma
age207_206r_Pa 208.122 Ma ABS 6.518 Ma
age207_206r_Th 207.497 Ma ABS 6.519 Ma
age207_206r_ThPa 207.448 Ma ABS 6.519 Ma
age207_235r 201.736 Ma ABS 0.586 Ma
age207_235r_Pa 201.732 Ma ABS 0.586 Ma
percentDiscordance 3.3559

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 30.59568 ABS 0.0
rTh_Usample 1.82216 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 1,382.82037 ABS 0.0
r207_206s 0.05031 ABS 0.0
r235_207s 4.54978 ABS 0.0
r238_206s 31.54477 ABS 0.0
r238_207s 627.04217 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z21
Grain ID = 202_z21
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00191 ABS 0.0
alphaU 0.00092 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99203 PCT 0.00213
r270_265m 0.11502 PCT 0.00601
r270_267m 0.1141 PCT 0.00578
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0126 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00516 PCT 0.01904
r204_205m 0.0003 PCT 0.58286
r206_204m 1,193.62714 PCT 0.58121
r206_205m 0.35966 PCT 0.02243
r206_207m 16.89283 PCT 0.08448
r206_208m 1.14867 PCT 0.03349
r207_204m 70.68788 PCT 0.57744
r207_205m 0.02126 PCT 0.08493
r208_204m 1,038.79898 PCT 0.57234
r208_205m 0.31313 PCT 0.03891
r233_235m 0.99598 PCT 0.00213
r238_233m 0.11502 PCT 0.00601
r238_235m 0.11456 PCT 0.00578

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03171 ABS 0.00001
r206_238r_Th 0.03171 ABS 0.00001
r207_206r 0.05003 ABS 0.00011
r207_206r_Pa 0.05003 ABS 0.00011
r207_206r_Th 0.05002 ABS 0.00011
r207_206r_ThPa 0.05002 ABS 0.00011
r207_235r 0.21863 ABS 0.00052
r207_235r_Pa 0.21863 ABS 0.00052
r208_206r 0.85692 ABS 0.0
rhoR206_238r__r207_235r 0.43437 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.43435 ABS 0.0
rhoR206_238r_Th__r207_235r 0.43422 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.4342 ABS 0.0
rhoR207_206r__r238_206r -0.32354 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.32352 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.3234 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.32339 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.238 Ma ABS 0.059 Ma
age206_238r_Th 201.273 Ma ABS 0.059 Ma
age207_206r 195.294 Ma ABS 5.213 Ma
age207_206r_Pa 195.245 Ma ABS 5.214 Ma
age207_206r_Th 194.892 Ma ABS 5.214 Ma
age207_206r_ThPa 194.843 Ma ABS 5.214 Ma
age207_235r 200.772 Ma ABS 0.429 Ma
age207_235r_Pa 200.768 Ma ABS 0.429 Ma
percentDiscordance -3.04348

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 47.4438 ABS 0.0
rTh_Usample 2.70333 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 1,823.02862 ABS 0.0
r207_206s 0.05003 ABS 0.0
r235_207s 4.57387 ABS 0.0
r238_206s 31.53635 ABS 0.0
r238_207s 630.36156 ABS 0.0


Sample Name = NB08-12
Legacy = false
Fraction ID = 202_z22
Grain ID = 202_z22
Zircon = true
Time Stamp = 21 February 2013 15:48
Mineral Name = zircon
Setting Type = loose grain
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 = true
Analysis Fraction Comment = NONE
Pb Blank ID = trc-blk_mix_Mclean 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 0.00252 ABS 0.0
alphaU 0.00091 ABS 0.0
ar231_235sample 1.1 ABS 0.1
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 0.02
r238_235s 137.818 ABS 0.022
r265_267m 0.99232 PCT 0.00202
r270_265m 0.07278 PCT 0.00884
r270_267m 0.07222 PCT 0.00919
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.0123 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00648 PCT 0.01393
r204_205m 0.00037 PCT 0.30609
r206_204m 608.70241 PCT 0.29761
r206_205m 0.22664 PCT 0.01737
r206_207m 14.4401 PCT 0.0787
r206_208m 1.56742 PCT 0.02686
r207_204m 41.88382 PCT 0.27474
r207_205m 0.01567 PCT 0.09485
r208_204m 386.33486 PCT 0.27465
r208_205m 0.1445 PCT 0.03142
r233_235m 0.99628 PCT 0.00202
r238_233m 0.07278 PCT 0.00884
r238_235m 0.07251 PCT 0.00919

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.0317 ABS 0.00001
r206_238r_Th 0.0317 ABS 0.00001
r207_206r 0.05027 ABS 0.00018
r207_206r_Pa 0.05027 ABS 0.00018
r207_206r_Th 0.05026 ABS 0.00018
r207_206r_ThPa 0.05026 ABS 0.00018
r207_235r 0.21961 ABS 0.00084
r207_235r_Pa 0.2196 ABS 0.00084
r208_206r 0.60299 ABS 0.0
rhoR206_238r__r207_235r 0.692 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.69199 ABS 0.0
rhoR206_238r_Th__r207_235r 0.69176 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.69175 ABS 0.0
rhoR207_206r__r238_206r -0.63751 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.6375 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.63727 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.63726 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.152 Ma ABS 0.072 Ma
age206_238r_Th 201.207 Ma ABS 0.072 Ma
age207_206r 206.606 Ma ABS 8.271 Ma
age207_206r_Pa 206.557 Ma ABS 8.271 Ma
age207_206r_Th 205.956 Ma ABS 8.273 Ma
age207_206r_ThPa 205.907 Ma ABS 8.273 Ma
age207_235r 201.581 Ma ABS 0.696 Ma
age207_235r_Pa 201.577 Ma ABS 0.696 Ma
percentDiscordance 2.63992

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 18.84512 ABS 0.0
rTh_Usample 1.90205 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 845.87395 ABS 0.0
r207_206s 0.05027 ABS 0.0
r235_207s 4.55362 ABS 0.0
r238_206s 31.55008 ABS 0.0
r238_207s 627.57123 ABS 0.0




filename:9241.xml
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