This sample belongs to: Noah McLean

Sample Unique Identifier = SAB000009 (Detail)
Aliquot Unique Identifier = Deprecated
Aliquot Name = zircon
Analysis Purpose = SingleAge
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: 201508508.0558583438396453857421875
Uncertainty Type: ABS
One Sigma: 17721.09827903975383378565311431884765625
Mean Squared Weighted Deviation: 0.77153180289779788036952368202037177979946136474609375
Internal Two Sigma Uncertainty: 35442.1965580795076675713062286376953125
PlusInternal Two Sigma Uncertainty:
Minus Internal Two Sigma Uncertainty:
Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty: 63483.9366012031096033751964569091796875
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: 224775.76938448497094213962554931640625
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:
z1
z2
z3
z6
z7
z7b

Explanation: Explanation
Comment: Comment
Preferred: true



Analysis Fractions
Sample Name = YORK
Legacy = false
Fraction ID = z1
Grain ID = z1
Zircon = true
Time Stamp = 21 February 2013 15:45
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 0.00215 ABS 0.0
alphaU 0.00087 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 0.01
r238_235s 137.818 ABS 0.022
r265_267m 0.98901 PCT 0.00176
r270_265m 0.52509 PCT 0.00246
r270_267m 0.51933 PCT 0.00226
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 1.00628 PCT 0.0129
r204_205m 0.00043 PCT 0.32569
r206_204m 3,837.1425 PCT 0.33143
r206_205m 1.6661 PCT 0.01174
r206_207m 18.76013 PCT 0.02777
r206_208m 2.00968 PCT 0.01575
r207_204m 203.8522 PCT 0.3468
r207_205m 0.08887 PCT 0.02768
r208_204m 1,902.13855 PCT 0.34605
r208_205m 0.82919 PCT 0.02488
r233_235m 0.99294 PCT 0.00176
r238_233m 0.52509 PCT 0.00246
r238_235m 0.5214 PCT 0.00226

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03174 ABS 0.00001
r206_238r_Th 0.03175 ABS 0.00001
r207_206r 0.05023 ABS 0.00004
r207_206r_Pa 0.05023 ABS 0.00004
r207_206r_Th 0.05022 ABS 0.00004
r207_206r_ThPa 0.05022 ABS 0.00004
r207_235r 0.21973 ABS 0.00018
r207_235r_Pa 0.21973 ABS 0.00018
r208_206r 0.49156 ABS 0.0
rhoR206_238r__r207_235r 0.44871 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.44855 ABS 0.0
rhoR206_238r_Th__r207_235r 0.44856 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.4484 ABS 0.0
rhoR207_206r__r238_206r -0.25527 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.25516 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.2552 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.2551 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.42 Ma ABS 0.034 Ma
age206_238r_Th 201.485 Ma ABS 0.034 Ma
age207_206r 204.806 Ma ABS 1.709 Ma
age207_206r_Pa 204.757 Ma ABS 1.709 Ma
age207_206r_Th 204.047 Ma ABS 1.709 Ma
age207_206r_ThPa 203.998 Ma ABS 1.71 Ma
age207_235r 201.687 Ma ABS 0.146 Ma
age207_235r_Pa 201.683 Ma ABS 0.146 Ma
percentDiscordance 1.65305

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 106.97495 ABS 0.0
rTh_Usample 1.55049 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 5,057.34018 ABS 0.0
r207_206s 0.05023 ABS 0.0
r235_207s 4.551 ABS 0.0
r238_206s 31.50743 ABS 0.0
r238_207s 627.20944 ABS 0.0


Sample Name = YORK
Legacy = false
Fraction ID = z2
Grain ID = z2
Zircon = true
Time Stamp = 21 February 2013 15:45
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 0.00257 ABS 0.0
alphaU 0.00087 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 0.01
r238_235s 137.818 ABS 0.022
r265_267m 0.98957 PCT 0.00223
r270_265m 0.44768 PCT 0.0043
r270_267m 0.44302 PCT 0.00336
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 1.0072 PCT 0.00983
r204_205m 0.00046 PCT 0.22683
r206_204m 3,074.71312 PCT 0.22686
r206_205m 1.42099 PCT 0.00668
r206_207m 18.46841 PCT 0.01696
r206_208m 1.75837 PCT 0.01486
r207_204m 166.45759 PCT 0.22687
r207_205m 0.07696 PCT 0.0177
r208_204m 1,748.65773 PCT 0.23222
r208_205m 0.80812 PCT 0.01599
r233_235m 0.9935 PCT 0.00223
r238_233m 0.44768 PCT 0.0043
r238_235m 0.44478 PCT 0.00336

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03175 ABS 0.0
r206_238r_Th 0.03176 ABS 0.0
r207_206r 0.05023 ABS 0.00004
r207_206r_Pa 0.05023 ABS 0.00004
r207_206r_Th 0.05021 ABS 0.00004
r207_206r_ThPa 0.05021 ABS 0.00004
r207_235r 0.21978 ABS 0.00018
r207_235r_Pa 0.21978 ABS 0.00018
r208_206r 0.5613 ABS 0.0
rhoR206_238r__r207_235r 0.45231 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.45216 ABS 0.0
rhoR206_238r_Th__r207_235r 0.45207 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.45191 ABS 0.0
rhoR207_206r__r238_206r -0.2998 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.29968 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.29958 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.29946 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.49 Ma ABS 0.028 Ma
age206_238r_Th 201.549 Ma ABS 0.028 Ma
age207_206r 204.511 Ma ABS 1.753 Ma
age207_206r_Pa 204.462 Ma ABS 1.754 Ma
age207_206r_Th 203.821 Ma ABS 1.754 Ma
age207_206r_ThPa 203.772 Ma ABS 1.755 Ma
age207_235r 201.728 Ma ABS 0.148 Ma
age207_235r_Pa 201.724 Ma ABS 0.148 Ma
percentDiscordance 1.4774

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 87.8458 ABS 0.0
rTh_Usample 1.77055 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 3,976.10788 ABS 0.0
r207_206s 0.05023 ABS 0.0
r235_207s 4.54998 ABS 0.0
r238_206s 31.49639 ABS 0.0
r238_207s 627.0693 ABS 0.0


Sample Name = YORK
Legacy = false
Fraction ID = z3
Grain ID = z3
Zircon = true
Time Stamp = 21 February 2013 15:45
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 0.00211 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 0.01
r238_235s 137.818 ABS 0.022
r265_267m 0.98993 PCT 0.00197
r270_265m 0.41073 PCT 0.00407
r270_267m 0.40659 PCT 0.00342
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 1.00575 PCT 0.01461
r204_205m 0.00045 PCT 0.37304
r206_204m 2,912.22173 PCT 0.37344
r206_205m 1.30309 PCT 0.01982
r206_207m 18.39966 PCT 0.03482
r206_208m 1.82651 PCT 0.02168
r207_204m 157.36238 PCT 0.34838
r207_205m 0.07083 PCT 0.03563
r208_204m 1,584.62313 PCT 0.33759
r208_205m 0.71313 PCT 0.02019
r233_235m 0.99387 PCT 0.00197
r238_233m 0.41073 PCT 0.00407
r238_235m 0.4082 PCT 0.00342

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03174 ABS 0.00001
r206_238r_Th 0.03175 ABS 0.00001
r207_206r 0.05023 ABS 0.00004
r207_206r_Pa 0.05023 ABS 0.00004
r207_206r_Th 0.05022 ABS 0.00004
r207_206r_ThPa 0.05022 ABS 0.00004
r207_235r 0.21973 ABS 0.00018
r207_235r_Pa 0.21973 ABS 0.00018
r208_206r 0.53938 ABS 0.0
rhoR206_238r__r207_235r 0.37947 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.37935 ABS 0.0
rhoR206_238r_Th__r207_235r 0.37945 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.37933 ABS 0.0
rhoR207_206r__r238_206r -0.10544 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.1054 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.10548 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.10545 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.427 Ma ABS 0.047 Ma
age206_238r_Th 201.488 Ma ABS 0.047 Ma
age207_206r 204.749 Ma ABS 1.815 Ma
age207_206r_Pa 204.7 Ma ABS 1.816 Ma
age207_206r_Th 204.037 Ma ABS 1.815 Ma
age207_206r_ThPa 203.988 Ma ABS 1.816 Ma
age207_235r 201.688 Ma ABS 0.154 Ma
age207_235r_Pa 201.685 Ma ABS 0.154 Ma
percentDiscordance 1.62247

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 82.82095 ABS 0.0
rTh_Usample 1.70139 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 3,801.48403 ABS 0.0
r207_206s 0.05023 ABS 0.0
r235_207s 4.55095 ABS 0.0
r238_206s 31.50635 ABS 0.0
r238_207s 627.20339 ABS 0.0


Sample Name = YORK
Legacy = false
Fraction ID = z6
Grain ID = z6
Zircon = true
Time Stamp = 21 February 2013 15:45
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 0.00185 ABS 0.0
alphaU 0.00032 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 0.01
r238_235s 137.818 ABS 0.022
r265_267m 0.98967 PCT 0.01549
r270_265m 0.27963 PCT 0.03299
r270_267m 0.27674 PCT 0.02594
rTh_Umagma 4.0 ABS 0.0
tracerMassInGrams 0.03 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00502 PCT 0.00965
r204_205m 0.00049 PCT 0.31078
r206_204m 1,789.02032 PCT 0.31114
r206_205m 0.88429 PCT 0.01069
r206_207m 17.54348 PCT 0.0314
r206_208m 1.1773 PCT 0.01517
r207_204m 101.64146 PCT 0.28156
r207_205m 0.0504 PCT 0.027
r208_204m 1,508.92761 PCT 0.27854
r208_205m 0.75117 PCT 0.01981
r233_235m 0.99361 PCT 0.01549
r238_233m 0.27963 PCT 0.03299
r238_235m 0.27784 PCT 0.02594

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 0.05015 ABS 0.00006
r207_206r_Pa 0.05015 ABS 0.00006
r207_206r_Th 0.05014 ABS 0.00006
r207_206r_ThPa 0.05014 ABS 0.00006
r207_235r 0.21934 ABS 0.0003
r207_235r_Pa 0.21933 ABS 0.0003
r208_206r 0.83897 ABS 0.0
rhoR206_238r__r207_235r 0.43121 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.43115 ABS 0.0
rhoR206_238r_Th__r207_235r 0.43116 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.43111 ABS 0.0
rhoR207_206r__r238_206r -0.17622 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.1762 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.17622 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.1762 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.397 Ma ABS 0.072 Ma
age206_238r_Th 201.432 Ma ABS 0.072 Ma
age207_206r 200.896 Ma ABS 2.864 Ma
age207_206r_Pa 200.847 Ma ABS 2.865 Ma
age207_206r_Th 200.476 Ma ABS 2.865 Ma
age207_206r_ThPa 200.427 Ma ABS 2.865 Ma
age207_235r 201.357 Ma ABS 0.246 Ma
age207_235r_Pa 201.353 Ma ABS 0.246 Ma
percentDiscordance -0.24932

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 58.61812 ABS 0.0
rTh_Usample 2.6467 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 2,269.22364 ABS 0.0
r207_206s 0.05015 ABS 0.0
r235_207s 4.55921 ABS 0.0
r238_206s 31.51116 ABS 0.0
r238_207s 628.34128 ABS 0.0


Sample Name = YORK
Legacy = false
Fraction ID = z7
Grain ID = z7
Zircon = true
Time Stamp = 21 February 2013 15:45
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 0.00227 ABS 0.0
alphaU 0.00081 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 0.01
r238_235s 137.818 ABS 0.022
r265_267m 0.99074 PCT 0.00502
r270_265m 0.2657 PCT 0.0131
r270_267m 0.26323 PCT 0.013
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 1.00564 PCT 0.02373
r204_205m 0.00026 PCT 0.69145
r206_204m 3,199.23169 PCT 0.68513
r206_205m 0.83795 PCT 0.02925
r206_207m 18.7761 PCT 0.06703
r206_208m 1.76402 PCT 0.05306
r207_204m 170.40259 PCT 0.72159
r207_205m 0.04461 PCT 0.06473
r208_204m 1,816.26019 PCT 0.63018
r208_205m 0.4746 PCT 0.06177
r233_235m 0.99468 PCT 0.00502
r238_233m 0.2657 PCT 0.0131
r238_235m 0.26428 PCT 0.013

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03174 ABS 0.00001
r206_238r_Th 0.03175 ABS 0.00001
r207_206r 0.05003 ABS 0.00006
r207_206r_Pa 0.05003 ABS 0.00006
r207_206r_Th 0.05002 ABS 0.00006
r207_206r_ThPa 0.05002 ABS 0.00006
r207_235r 0.21886 ABS 0.00028
r207_235r_Pa 0.21885 ABS 0.00028
r208_206r 0.56034 ABS 0.0
rhoR206_238r__r207_235r 0.17219 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.17216 ABS 0.0
rhoR206_238r_Th__r207_235r 0.1723 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.17228 ABS 0.0
rhoR207_206r__r238_206r 0.09852 ABS 0.0
rhoR207_206r_Pa__r238_206r 0.0985 ABS 0.0
rhoR207_206r_Th__r238_206r_Th 0.09834 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th 0.09832 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.429 Ma ABS 0.069 Ma
age206_238r_Th 201.488 Ma ABS 0.069 Ma
age207_206r 195.418 Ma ABS 2.986 Ma
age207_206r_Pa 195.369 Ma ABS 2.987 Ma
age207_206r_Th 194.726 Ma ABS 2.987 Ma
age207_206r_ThPa 194.676 Ma ABS 2.987 Ma
age207_235r 200.957 Ma ABS 0.237 Ma
age207_235r_Pa 200.953 Ma ABS 0.237 Ma
percentDiscordance -3.07601

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 117.65522 ABS 0.0
rTh_Usample 1.7675 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 5,322.94904 ABS 0.0
r207_206s 0.05003 ABS 0.0
r235_207s 4.56922 ABS 0.0
r238_206s 31.50599 ABS 0.0
r238_207s 629.7214 ABS 0.0


Sample Name = YORK
Legacy = false
Fraction ID = z7b
Grain ID = z7b
Zircon = true
Time Stamp = 21 February 2013 15:45
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 0.00256 ABS 0.0
alphaU 0.00142 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 0.01
r238_235s 137.818 ABS 0.022
r265_267m 0.98854 PCT 0.00477
r270_265m 0.74218 PCT 0.00614
r270_267m 0.73367 PCT 0.00535
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 1.00507 PCT 0.03022
r204_205m 0.00051 PCT 0.59769
r206_204m 4,684.71702 PCT 0.61112
r206_205m 2.36466 PCT 0.02721
r206_207m 18.95405 PCT 0.0498
r206_208m 1.17029 PCT 0.02396
r207_204m 246.96108 PCT 0.61011
r207_205m 0.12487 PCT 0.0564
r208_204m 4,002.79604 PCT 0.61516
r208_205m 2.02147 PCT 0.03796
r233_235m 0.99247 PCT 0.00477
r238_233m 0.74218 PCT 0.00614
r238_235m 0.73659 PCT 0.00535

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03175 ABS 0.00001
r206_238r_Th 0.03175 ABS 0.00001
r207_206r 0.05018 ABS 0.00004
r207_206r_Pa 0.05018 ABS 0.00004
r207_206r_Th 0.05017 ABS 0.00004
r207_206r_ThPa 0.05017 ABS 0.00004
r207_235r 0.21953 ABS 0.00021
r207_235r_Pa 0.21953 ABS 0.00021
r208_206r 0.85088 ABS 0.0
rhoR206_238r__r207_235r 0.58108 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.58093 ABS 0.0
rhoR206_238r_Th__r207_235r 0.58112 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.58098 ABS 0.0
rhoR207_206r__r238_206r -0.28555 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.28545 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.28569 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.2856 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 201.468 Ma ABS 0.064 Ma
age206_238r_Th 201.503 Ma ABS 0.064 Ma
age207_206r 202.137 Ma ABS 1.847 Ma
age207_206r_Pa 202.088 Ma ABS 1.848 Ma
age207_206r_Th 201.73 Ma ABS 1.847 Ma
age207_206r_ThPa 201.681 Ma ABS 1.848 Ma
age207_235r 201.521 Ma ABS 0.172 Ma
age207_235r_Pa 201.517 Ma ABS 0.172 Ma
percentDiscordance 0.33079

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 154.06802 ABS 0.0
rTh_Usample 2.68429 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 5,896.96285 ABS 0.0
r207_206s 0.05018 ABS 0.0
r235_207s 4.55512 ABS 0.0
r238_206s 31.49974 ABS 0.0
r238_207s 627.77777 ABS 0.0




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