This sample belongs to: Nicholas Swanson-Hysell

Sample Unique Identifier = IENSH0001 (Detail)
Aliquot Unique Identifier = IENSH0005 (Detail)
Aliquot Name = BBC-SBA1 Zircon
Analysis Purpose = SingleAge
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: 1091609816.960383892059326171875
Uncertainty Type: ABS
One Sigma: 70973.03054641382186673581600189208984375
Mean Squared Weighted Deviation: 1.027083326006046792855386229348368942737579345703125
Internal Two Sigma Uncertainty: 141946.0610928276437334716320037841796875
PlusInternal Two Sigma Uncertainty:
Minus Internal Two Sigma Uncertainty:
Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty: 302703.970728513668291270732879638671875
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: 1206677.99312434694729745388031005859375
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
z4
z5
z6

Explanation: Explanation
Comment: Comment
Preferred: true



Analysis Fractions
Sample Name = BBC-SBA1
Legacy = false
Fraction ID = z1
Grain ID = z1
Zircon = true
Time Stamp = October 21, 2017 1:45 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 0.00154 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 0.99074 PCT 0.00268
r270_265m 0.27886 PCT 0.00622
r270_267m 0.27627 PCT 0.00537
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0102 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00414 PCT 0.0119
r204_205m 0.00027 PCT 0.40007
r206_204m 19,143.86725 PCT 0.40117
r206_205m 5.09796 PCT 0.01177
r206_207m 13.07177 PCT 0.01235
r206_208m 3.2297 PCT 0.01018
r207_204m 1,464.52225 PCT 0.40271
r207_205m 0.39 PCT 0.01781
r208_204m 5,927.60908 PCT 0.40037
r208_205m 1.57846 PCT 0.019
r233_235m 0.99468 PCT 0.00268
r238_233m 0.27886 PCT 0.00622
r238_235m 0.27737 PCT 0.00537

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18446 ABS 0.00003
r206_238r_Th 0.18447 ABS 0.00003
r207_206r 0.07598 ABS 0.00001
r207_206r_Pa 0.07598 ABS 0.00001
r207_206r_Th 0.07598 ABS 0.00001
r207_206r_ThPa 0.07598 ABS 0.00001
r207_235r 1.93161 ABS 0.00058
r207_235r_Pa 1.9316 ABS 0.00058
r208_206r 0.30845 ABS 0.0
rhoR206_238r__r207_235r 0.60915 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.60913 ABS 0.0
rhoR206_238r_Th__r207_235r 0.60878 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.60876 ABS 0.0
rhoR207_206r__r238_206r -0.07675 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.07675 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.07558 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.07557 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,091.303 Ma ABS 0.17 Ma
age206_238r_Th 1,091.362 Ma ABS 0.17 Ma
age207_206r 1,093.678 Ma ABS 0.481 Ma
age207_206r_Pa 1,093.673 Ma ABS 0.481 Ma
age207_206r_Th 1,093.561 Ma ABS 0.481 Ma
age207_206r_ThPa 1,093.556 Ma ABS 0.481 Ma
age207_235r 1,092.096 Ma ABS 0.202 Ma
age207_235r_Pa 1,092.095 Ma ABS 0.202 Ma
bestAge 1,091.303 Ma ABS 0.17 Ma
percentDiscordance 0.21716

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 607.34085 ABS 0.0
rTh_Usample 1.02116 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 31,519.89761 ABS 0.0
r207_206s 0.07598 ABS 0.0
r235_207s 0.5177 ABS 0.0
r238_206s 5.42118 ABS 0.0
r238_207s 71.34885 ABS 0.0


Sample Name = BBC-SBA1
Legacy = false
Fraction ID = z2
Grain ID = z2
Zircon = true
Time Stamp = October 21, 2017 1:45 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 0.00191 ABS 0.0
alphaU 0.00091 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 0.99171 PCT 0.00263
r270_265m 0.15931 PCT 0.00988
r270_267m 0.15799 PCT 0.00986
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.011 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00519 PCT 0.0119
r204_205m 0.00026 PCT 0.36118
r206_204m 11,184.0293 PCT 0.36904
r206_205m 2.89048 PCT 0.01013
r206_207m 13.01543 PCT 0.01605
r206_208m 3.79577 PCT 0.01352
r207_204m 859.26868 PCT 0.36922
r207_205m 0.22208 PCT 0.0193
r208_204m 2,946.315 PCT 0.37063
r208_205m 0.7615 PCT 0.01851
r233_235m 0.99566 PCT 0.00263
r238_233m 0.15931 PCT 0.00988
r238_235m 0.15862 PCT 0.00986

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18449 ABS 0.00003
r206_238r_Th 0.18451 ABS 0.00003
r207_206r 0.07595 ABS 0.00002
r207_206r_Pa 0.07595 ABS 0.00002
r207_206r_Th 0.07595 ABS 0.00002
r207_206r_ThPa 0.07595 ABS 0.00002
r207_235r 1.93121 ABS 0.00074
r207_235r_Pa 1.9312 ABS 0.00074
r208_206r 0.26141 ABS 0.0
rhoR206_238r__r207_235r 0.59107 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.59105 ABS 0.0
rhoR206_238r_Th__r207_235r 0.59085 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.59084 ABS 0.0
rhoR207_206r__r238_206r -0.13567 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.13566 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.13513 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.13513 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,091.481 Ma ABS 0.189 Ma
age206_238r_Th 1,091.545 Ma ABS 0.19 Ma
age207_206r 1,092.906 Ma ABS 0.619 Ma
age207_206r_Pa 1,092.901 Ma ABS 0.619 Ma
age207_206r_Th 1,092.779 Ma ABS 0.619 Ma
age207_206r_ThPa 1,092.774 Ma ABS 0.619 Ma
age207_235r 1,091.957 Ma ABS 0.255 Ma
age207_235r_Pa 1,091.955 Ma ABS 0.255 Ma
bestAge 1,091.481 Ma ABS 0.189 Ma
percentDiscordance 0.13039

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 349.06146 ABS 0.0
rTh_Usample 0.86543 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 18,765.41378 ABS 0.0
r207_206s 0.07595 ABS 0.0
r235_207s 0.51781 ABS 0.0
r238_206s 5.42022 ABS 0.0
r238_207s 71.36371 ABS 0.0


Sample Name = BBC-SBA1
Legacy = false
Fraction ID = z3
Grain ID = z3
Zircon = true
Time Stamp = October 21, 2017 1:45 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 0.00102 ABS 0.0
alphaU 0.00083 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 0.99147 PCT 0.00285
r270_265m 0.16855 PCT 0.0084
r270_267m 0.16711 PCT 0.00802
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0103 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00338 PCT 0.0909
r204_205m 0.00026 PCT 0.37001
r206_204m 11,787.64514 PCT 0.35912
r206_205m 3.05996 PCT 0.01097
r206_207m 13.02535 PCT 0.01591
r206_208m 3.89163 PCT 0.01435
r207_204m 904.92123 PCT 0.36764
r207_205m 0.2349 PCT 0.02087
r208_204m 3,022.93147 PCT 0.38719
r208_205m 0.78635 PCT 0.02022
r233_235m 0.99542 PCT 0.00285
r238_233m 0.16855 PCT 0.0084
r238_235m 0.16778 PCT 0.00802

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18449 ABS 0.00003
r206_238r_Th 0.18451 ABS 0.00003
r207_206r 0.07594 ABS 0.00002
r207_206r_Pa 0.07594 ABS 0.00002
r207_206r_Th 0.07593 ABS 0.00002
r207_206r_ThPa 0.07593 ABS 0.00002
r207_235r 1.93078 ABS 0.00069
r207_235r_Pa 1.93078 ABS 0.00069
r208_206r 0.25504 ABS 0.0
rhoR206_238r__r207_235r 0.47346 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.47345 ABS 0.0
rhoR206_238r_Th__r207_235r 0.47326 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.47325 ABS 0.0
rhoR207_206r__r238_206r 0.02632 ABS 0.0
rhoR207_206r_Pa__r238_206r 0.02632 ABS 0.0
rhoR207_206r_Th__r238_206r_Th 0.02678 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th 0.02677 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,091.483 Ma ABS 0.177 Ma
age206_238r_Th 1,091.547 Ma ABS 0.177 Ma
age207_206r 1,092.463 Ma ABS 0.633 Ma
age207_206r_Pa 1,092.458 Ma ABS 0.633 Ma
age207_206r_Th 1,092.334 Ma ABS 0.633 Ma
age207_206r_ThPa 1,092.33 Ma ABS 0.633 Ma
age207_235r 1,091.81 Ma ABS 0.24 Ma
age207_235r_Pa 1,091.808 Ma ABS 0.24 Ma
bestAge 1,091.483 Ma ABS 0.177 Ma
percentDiscordance 0.08971

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 367.41538 ABS 0.0
rTh_Usample 0.84434 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 19,846.5352 ABS 0.0
r207_206s 0.07594 ABS 0.0
r235_207s 0.51793 ABS 0.0
r238_206s 5.42021 ABS 0.0
r238_207s 71.37939 ABS 0.0


Sample Name = BBC-SBA1
Legacy = false
Fraction ID = z4
Grain ID = z4
Zircon = true
Time Stamp = October 21, 2017 1:45 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 0.00187 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 0.9916 PCT 0.00275
r270_265m 0.15809 PCT 0.00933
r270_267m 0.15676 PCT 0.0087
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0104 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.0048 PCT 0.02088
r204_205m 0.00069 PCT 0.27962
r206_204m 4,151.60106 PCT 0.27579
r206_205m 2.87488 PCT 0.01424
r206_207m 12.66048 PCT 0.01987
r206_208m 4.12219 PCT 0.01635
r207_204m 327.91112 PCT 0.27125
r207_205m 0.22708 PCT 0.02641
r208_204m 1,007.0237 PCT 0.27308
r208_205m 0.69735 PCT 0.02405
r233_235m 0.99555 PCT 0.00275
r238_233m 0.15809 PCT 0.00933
r238_235m 0.15739 PCT 0.0087

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18449 ABS 0.00004
r206_238r_Th 0.1845 ABS 0.00004
r207_206r 0.076 ABS 0.00006
r207_206r_Pa 0.076 ABS 0.00006
r207_206r_Th 0.076 ABS 0.00006
r207_206r_ThPa 0.076 ABS 0.00006
r207_235r 1.93245 ABS 0.00167
r207_235r_Pa 1.93244 ABS 0.00167
r208_206r 0.23553 ABS 0.0
rhoR206_238r__r207_235r 0.34669 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.34669 ABS 0.0
rhoR206_238r_Th__r207_235r 0.34659 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.34659 ABS 0.0
rhoR207_206r__r238_206r -0.09783 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.09783 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.09769 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.09769 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,091.452 Ma ABS 0.223 Ma
age206_238r_Th 1,091.518 Ma ABS 0.223 Ma
age207_206r 1,094.253 Ma ABS 1.635 Ma
age207_206r_Pa 1,094.249 Ma ABS 1.635 Ma
age207_206r_Th 1,094.121 Ma ABS 1.635 Ma
age207_206r_ThPa 1,094.116 Ma ABS 1.635 Ma
age207_235r 1,092.388 Ma ABS 0.58 Ma
age207_235r_Pa 1,092.386 Ma ABS 0.58 Ma
bestAge 1,091.452 Ma ABS 0.223 Ma
percentDiscordance 0.25604

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 88.92314 ABS 0.0
rTh_Usample 0.77974 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 4,888.78373 ABS 0.0
r207_206s 0.076 ABS 0.0
r235_207s 0.51748 ABS 0.0
r238_206s 5.42038 ABS 0.0
r238_207s 71.3178 ABS 0.0


Sample Name = BBC-SBA1
Legacy = false
Fraction ID = z5
Grain ID = z5
Zircon = true
Time Stamp = October 21, 2017 1:45 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 0.00166 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 0.9919 PCT 0.00203
r270_265m 0.12457 PCT 0.00629
r270_267m 0.12356 PCT 0.00577
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 1.00436 PCT 0.00825
r204_205m 0.00023 PCT 0.27488
r206_204m 9,902.65506 PCT 0.27291
r206_205m 2.24788 PCT 0.00788
r206_207m 13.00203 PCT 0.01293
r206_208m 4.03566 PCT 0.01043
r207_204m 761.67371 PCT 0.27117
r207_205m 0.1729 PCT 0.01474
r208_204m 2,453.65218 PCT 0.26844
r208_205m 0.55706 PCT 0.01394
r233_235m 0.99585 PCT 0.00203
r238_233m 0.12457 PCT 0.00629
r238_235m 0.12405 PCT 0.00577

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18453 ABS 0.00003
r206_238r_Th 0.18454 ABS 0.00003
r207_206r 0.07598 ABS 0.00002
r207_206r_Pa 0.07598 ABS 0.00002
r207_206r_Th 0.07598 ABS 0.00002
r207_206r_ThPa 0.07598 ABS 0.00002
r207_235r 1.93234 ABS 0.00063
r207_235r_Pa 1.93233 ABS 0.00063
r208_206r 0.24563 ABS 0.0
rhoR206_238r__r207_235r 0.4495 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.44949 ABS 0.0
rhoR206_238r_Th__r207_235r 0.44927 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.44926 ABS 0.0
rhoR207_206r__r238_206r 0.00907 ABS 0.0
rhoR207_206r_Pa__r238_206r 0.00907 ABS 0.0
rhoR207_206r_Th__r238_206r_Th 0.00965 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th 0.00965 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,091.665 Ma ABS 0.149 Ma
age206_238r_Th 1,091.73 Ma ABS 0.149 Ma
age207_206r 1,093.713 Ma ABS 0.584 Ma
age207_206r_Pa 1,093.708 Ma ABS 0.584 Ma
age207_206r_Th 1,093.583 Ma ABS 0.584 Ma
age207_206r_ThPa 1,093.578 Ma ABS 0.584 Ma
age207_235r 1,092.349 Ma ABS 0.218 Ma
age207_235r_Pa 1,092.348 Ma ABS 0.218 Ma
bestAge 1,091.665 Ma ABS 0.149 Ma
percentDiscordance 0.18727

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 338.11405 ABS 0.0
rTh_Usample 0.81319 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 18,395.51117 ABS 0.0
r207_206s 0.07598 ABS 0.0
r235_207s 0.51751 ABS 0.0
r238_206s 5.41923 ABS 0.0
r238_207s 71.32189 ABS 0.0


Sample Name = BBC-SBA1
Legacy = false
Fraction ID = z6
Grain ID = z6
Zircon = true
Time Stamp = October 21, 2017 1:45 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 0.00185 ABS 0.0
alphaU 0.00087 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 0.99101 PCT 0.00257
r270_265m 0.24411 PCT 0.00523
r270_267m 0.24192 PCT 0.0056
rTh_Umagma 2.8 ABS 0.5
tracerMassInGrams 0.0092 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r202_205m 1.00485 PCT 0.00905
r204_205m 0.00039 PCT 0.34983
r206_204m 11,531.38876 PCT 0.34861
r206_205m 4.46053 PCT 0.00854
r206_207m 12.9998 PCT 0.01323
r206_208m 4.01411 PCT 0.01025
r207_204m 886.77203 PCT 0.35072
r207_205m 0.34309 PCT 0.01788
r208_204m 2,871.637 PCT 0.35318
r208_205m 1.1113 PCT 0.01532
r233_235m 0.99495 PCT 0.00257
r238_233m 0.24411 PCT 0.00523
r238_235m 0.24288 PCT 0.0056

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.18455 ABS 0.00003
r206_238r_Th 0.18456 ABS 0.00003
r207_206r 0.07595 ABS 0.00002
r207_206r_Pa 0.07595 ABS 0.00002
r207_206r_Th 0.07594 ABS 0.00002
r207_206r_ThPa 0.07594 ABS 0.00002
r207_235r 1.93163 ABS 0.00072
r207_235r_Pa 1.93163 ABS 0.00072
r208_206r 0.24687 ABS 0.0
rhoR206_238r__r207_235r 0.5068 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.50679 ABS 0.0
rhoR206_238r_Th__r207_235r 0.50656 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.50655 ABS 0.0
rhoR207_206r__r238_206r -0.10942 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.10942 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.10888 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.10888 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 1,091.767 Ma ABS 0.159 Ma
age206_238r_Th 1,091.832 Ma ABS 0.159 Ma
age207_206r 1,092.777 Ma ABS 0.65 Ma
age207_206r_Pa 1,092.772 Ma ABS 0.65 Ma
age207_206r_Th 1,092.647 Ma ABS 0.651 Ma
age207_206r_ThPa 1,092.642 Ma ABS 0.651 Ma
age207_235r 1,092.104 Ma ABS 0.251 Ma
age207_235r_Pa 1,092.103 Ma ABS 0.251 Ma
bestAge 1,091.767 Ma ABS 0.159 Ma
percentDiscordance 0.09241

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 290.72701 ABS 0.0
rTh_Usample 0.8173 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 15,805.4012 ABS 0.0
r207_206s 0.07595 ABS 0.0
r235_207s 0.5177 ABS 0.0
r238_206s 5.41868 ABS 0.0
r238_207s 71.34801 ABS 0.0




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