This sample belongs to: Noah McLean

Sample Unique Identifier = NMM000012 (Detail)
Aliquot Unique Identifier = Deprecated
Aliquot Name = zircon
Analysis Purpose = SingleAge
Laboratory Name = MIT Isotope Lab
Analyst Name = Noah McLean
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:

Sample Date Models
Value: 49483746.905302457511425018310546875
Uncertainty Type: ABS
One Sigma: 13139.4836012460800702683627605438232421875
Mean Squared Weighted Deviation: 0.465362596417960017181059129143250174820423126220703125
Internal Two Sigma Uncertainty: 26278.967202492160140536725521087646484375
PlusInternal Two Sigma Uncertainty:
Minus Internal Two Sigma Uncertainty:
Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty: 34058.8145875178670394234359264373779296875
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: 62882.4198211425100453197956085205078125
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:
zM7
zS8
zXL3a
zXL19

Explanation: Explanation
Comment: Comment
Preferred: true


Alph Pb Models:
Name Value Uncertainty Type One Sigma
example alphaPb 0.0025 ABS 0.0002


Analysis Fractions
Sample Name = NC-92
Legacy = false
Fraction ID = zM7
Grain ID = zM7
Zircon = true
Time Stamp = February 3, 2016 9:57 PM
Mineral Name = other
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1
Stacey Kramers Correlation Coefficients = 0.5
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = EARTHTIME Example Pb Blank IC v.1.0
TracerID = MIT 1L v.0.1
Fractionation Corrected Pb = false
Alpha Pb Model ID = example alphaPb
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 0.0025 ABS 0.0002
alphaU 0.00098 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 137.8185 ABS 0.02232
r238_235s 137.8185 ABS 0.02232
r265_267m 1.00047 PCT 0.00477
r270_265m 1.02881 PCT 0.00479
r270_267m 1.02929 PCT 0.00523
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.009 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00059 PCT 0.19256
r206_204m 1,329.00764 PCT 0.19298
r206_205m 0.7884 PCT 0.01053
r206_207m 18.22381 PCT 0.03013
r206_208m 6.88482 PCT 0.02736
r207_204m 92.56356 PCT 0.2009
r207_205m 0.04326 PCT 0.03013
r208_204m 193.22724 PCT 0.19993
r208_205m 0.11451 PCT 0.02957
r233_235m 1.00449 PCT 0.00477
r238_233m 1.02881 PCT 0.00479
r238_235m 1.03343 PCT 0.00523

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00769 ABS 0.0
r206_238r_Th 0.00771 ABS 0.0
r207_206r 0.04733 ABS 0.00012
r207_206r_Pa 0.04733 ABS 0.00012
r207_206r_Th 0.04724 ABS 0.00012
r207_206r_ThPa 0.04723 ABS 0.00012
r207_235r 0.05018 ABS 0.00013
r207_235r_Pa 0.05017 ABS 0.00013
r208_206r 0.12845 ABS 0.0
rhoR206_238r__r207_235r 0.55043 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.55009 ABS 0.0
rhoR206_238r_Th__r207_235r 0.54742 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.54708 ABS 0.0
rhoR207_206r__r238_206r -0.45237 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.45206 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.44891 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.4486 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 49.397 Ma ABS 0.016 Ma
age206_238r_Th 49.494 Ma ABS 0.017 Ma
age207_206r 64.904 Ma ABS 5.859 Ma
age207_206r_Pa 64.684 Ma ABS 5.864 Ma
age207_206r_Th 60.197 Ma ABS 5.866 Ma
age207_206r_ThPa 59.976 Ma ABS 5.871 Ma
age207_235r 49.712 Ma ABS 0.128 Ma
age207_235r_Pa 49.707 Ma ABS 0.128 Ma
bestAge 49.397 Ma ABS 0.016 Ma
percentDiscordance 23.89242

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 20.92617 ABS 0.0
rTh_Usample 0.40233 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 1,304.50274 ABS 0.0
r207_206s 0.04733 ABS 0.0
r235_207s 19.92958 ABS 0.0
r238_206s 130.00275 ABS 0.0
r238_207s 2,746.66507 ABS 0.0


Sample Name = NC-92
Legacy = false
Fraction ID = zM9
Grain ID = zM9
Zircon = true
Time Stamp = February 3, 2016 9:57 PM
Mineral Name = other
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1
Stacey Kramers Correlation Coefficients = 0.5
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = EARTHTIME Example Pb Blank IC v.1.0
TracerID = MIT 1L v.0.1
Fractionation Corrected Pb = false
Alpha Pb Model ID = example alphaPb
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 0.0025 ABS 0.0002
alphaU 0.00095 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 137.8185 ABS 0.02232
r238_235s 137.8185 ABS 0.02232
r265_267m 1.006 PCT 0.00837
r270_265m 0.26774 PCT 0.01135
r270_267m 0.26935 PCT 0.00994
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0083 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00014 PCT 0.38461
r206_204m 2,189.26735 PCT 0.39988
r206_205m 0.30199 PCT 0.01065
r206_207m 21.82114 PCT 0.04516
r206_208m 9.71435 PCT 0.04066
r207_204m 99.98781 PCT 0.44727
r207_205m 0.01384 PCT 0.04391
r208_204m 223.84514 PCT 0.69495
r208_205m 0.03109 PCT 0.03991
r233_235m 1.01006 PCT 0.00837
r238_233m 0.26774 PCT 0.01135
r238_235m 0.27043 PCT 0.00994

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.01029 ABS 0.0
r206_238r_Th 0.01031 ABS 0.0
r207_206r 0.04763 ABS 0.00009
r207_206r_Pa 0.04763 ABS 0.00009
r207_206r_Th 0.04756 ABS 0.00009
r207_206r_ThPa 0.04756 ABS 0.00009
r207_235r 0.06755 ABS 0.00014
r207_235r_Pa 0.06754 ABS 0.00014
r208_206r 0.1061 ABS 0.0
rhoR206_238r__r207_235r 0.58926 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.58892 ABS 0.0
rhoR206_238r_Th__r207_235r 0.58774 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.58741 ABS 0.0
rhoR207_206r__r238_206r -0.44587 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.44557 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.44421 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.44391 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 65.993 Ma ABS 0.025 Ma
age206_238r_Th 66.092 Ma ABS 0.025 Ma
age207_206r 80.01 Ma ABS 4.36 Ma
age207_206r_Pa 79.847 Ma ABS 4.363 Ma
age207_206r_Th 76.433 Ma ABS 4.364 Ma
age207_206r_ThPa 76.269 Ma ABS 4.368 Ma
age207_235r 66.371 Ma ABS 0.131 Ma
age207_235r_Pa 66.367 Ma ABS 0.131 Ma
bestAge 65.993 Ma ABS 0.025 Ma
percentDiscordance 17.51873

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 35.36253 ABS 0.0
rTh_Usample 0.33277 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 2,233.75685 ABS 0.0
r207_206s 0.04763 ABS 0.0
r235_207s 14.80405 ABS 0.0
r238_206s 97.18382 ABS 0.0
r238_207s 2,040.27174 ABS 0.0


Sample Name = NC-92
Legacy = false
Fraction ID = zM12
Grain ID = zM12
Zircon = true
Time Stamp = February 3, 2016 9:57 PM
Mineral Name = other
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1
Stacey Kramers Correlation Coefficients = 0.5
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = EARTHTIME Example Pb Blank IC v.1.0
TracerID = MIT 1L v.0.1
Fractionation Corrected Pb = false
Alpha Pb Model ID = example alphaPb
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 0.0025 ABS 0.0002
alphaU 0.0011 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 137.8185 ABS 0.02232
r238_235s 137.8185 ABS 0.02232
r265_267m 1.00471 PCT 0.00688
r270_265m 0.48375 PCT 0.00564
r270_267m 0.48603 PCT 0.00558
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0092 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00015 PCT 0.28689
r206_204m 2,711.99737 PCT 0.30508
r206_205m 0.39706 PCT 0.01059
r206_207m 21.66073 PCT 0.02763
r206_208m 7.40889 PCT 0.0219
r207_204m 125.18321 PCT 0.30039
r207_205m 0.01833 PCT 0.03093
r208_204m 365.8247 PCT 0.27887
r208_205m 0.05359 PCT 0.02471
r233_235m 1.00876 PCT 0.00688
r238_233m 0.48375 PCT 0.00564
r238_235m 0.48799 PCT 0.00558

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00778 ABS 0.0
r206_238r_Th 0.00779 ABS 0.0
r207_206r 0.0472 ABS 0.00006
r207_206r_Pa 0.0472 ABS 0.00006
r207_206r_Th 0.04711 ABS 0.00006
r207_206r_ThPa 0.04711 ABS 0.00006
r207_235r 0.05058 ABS 0.00007
r207_235r_Pa 0.05058 ABS 0.00007
r208_206r 0.14184 ABS 0.0
rhoR206_238r__r207_235r 0.68666 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.68516 ABS 0.0
rhoR206_238r_Th__r207_235r 0.68364 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.68214 ABS 0.0
rhoR207_206r__r238_206r -0.52186 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.52027 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.51741 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.51584 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 49.932 Ma ABS 0.017 Ma
age206_238r_Th 50.028 Ma ABS 0.017 Ma
age207_206r 58.421 Ma ABS 2.809 Ma
age207_206r_Pa 58.202 Ma ABS 2.818 Ma
age207_206r_Th 53.813 Ma ABS 2.814 Ma
age207_206r_ThPa 53.594 Ma ABS 2.823 Ma
age207_235r 50.106 Ma ABS 0.068 Ma
age207_235r_Pa 50.101 Ma ABS 0.068 Ma
bestAge 49.932 Ma ABS 0.017 Ma
percentDiscordance 14.53074

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 46.90625 ABS 0.0
rTh_Usample 0.44431 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 2,868.9743 ABS 0.0
r207_206s 0.0472 ABS 0.0
r235_207s 19.769 ABS 0.0
r238_206s 128.6048 ABS 0.0
r238_207s 2,724.53352 ABS 0.0


Sample Name = NC-92
Legacy = false
Fraction ID = zS8
Grain ID = zS8
Zircon = true
Time Stamp = February 3, 2016 9:57 PM
Mineral Name = other
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1
Stacey Kramers Correlation Coefficients = 0.5
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = EARTHTIME Example Pb Blank IC v.1.0
TracerID = MIT 1L v.0.1
Fractionation Corrected Pb = false
Alpha Pb Model ID = example alphaPb
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 0.0025 ABS 0.0002
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 137.8185 ABS 0.02232
r238_235s 137.8185 ABS 0.02232
r265_267m 1.00686 PCT 0.00945
r270_265m 0.12741 PCT 0.01358
r270_267m 0.12828 PCT 0.01345
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.009 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00015 PCT 0.40461
r206_204m 928.76744 PCT 0.40284
r206_205m 0.14006 PCT 0.02537
r206_207m 22.23479 PCT 0.09021
r206_208m 9.35591 PCT 0.06068
r207_204m 41.69846 PCT 0.40604
r207_205m 0.0063 PCT 0.08565
r208_204m 99.26543 PCT 0.46096
r208_205m 0.01497 PCT 0.06336
r233_235m 1.01093 PCT 0.00945
r238_233m 0.12741 PCT 0.01358
r238_235m 0.1288 PCT 0.01345

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00769 ABS 0.00001
r206_238r_Th 0.0077 ABS 0.00001
r207_206r 0.04723 ABS 0.00024
r207_206r_Pa 0.04722 ABS 0.00024
r207_206r_Th 0.04713 ABS 0.00024
r207_206r_ThPa 0.04713 ABS 0.00024
r207_235r 0.05005 ABS 0.00027
r207_235r_Pa 0.05004 ABS 0.00027
r208_206r 0.11221 ABS 0.0
rhoR206_238r__r207_235r 0.44088 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.44082 ABS 0.0
rhoR206_238r_Th__r207_235r 0.43922 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.43915 ABS 0.0
rhoR207_206r__r238_206r -0.3315 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.33145 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.32994 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.3299 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 49.378 Ma ABS 0.033 Ma
age206_238r_Th 49.477 Ma ABS 0.033 Ma
age207_206r 59.676 Ma ABS 12.195 Ma
age207_206r_Pa 59.455 Ma ABS 12.199 Ma
age207_206r_Th 54.896 Ma ABS 12.21 Ma
age207_206r_ThPa 54.675 Ma ABS 12.214 Ma
age207_235r 49.587 Ma ABS 0.26 Ma
age207_235r_Pa 49.582 Ma ABS 0.26 Ma
bestAge 49.378 Ma ABS 0.033 Ma
percentDiscordance 17.2568

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 10.95273 ABS 0.0
rTh_Usample 0.35147 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 701.03592 ABS 0.0
r207_206s 0.04723 ABS 0.0
r235_207s 19.98106 ABS 0.0
r238_206s 130.05282 ABS 0.0
r238_207s 2,753.75953 ABS 0.0


Sample Name = NC-92
Legacy = false
Fraction ID = zXL1b
Grain ID = zXL1b
Zircon = true
Time Stamp = February 3, 2016 9:57 PM
Mineral Name = other
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1
Stacey Kramers Correlation Coefficients = 0.5
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = EARTHTIME Example Pb Blank IC v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = example alphaPb
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 0.0025 ABS 0.0002
alphaU 0.00086 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 137.8185 ABS 0.02232
r238_235s 137.8185 ABS 0.02232
r265_267m 0.99036 PCT 0.00284
r270_265m 0.33201 PCT 0.00494
r270_267m 0.32881 PCT 0.00463
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0086 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00044 PCT 0.33864
r206_204m 766.06452 PCT 0.34964
r206_205m 0.33476 PCT 0.02304
r206_207m 15.815 PCT 0.06565
r206_208m 5.75028 PCT 0.06749
r207_204m 48.44884 PCT 0.3589
r207_205m 0.02117 PCT 0.0733
r208_204m 133.25006 PCT 0.35399
r208_205m 0.05822 PCT 0.06218
r233_235m 0.9943 PCT 0.00284
r238_233m 0.33201 PCT 0.00494
r238_235m 0.33012 PCT 0.00463

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00998 ABS 0.0
r206_238r_Th 0.01 ABS 0.0
r207_206r 0.04764 ABS 0.00017
r207_206r_Pa 0.04764 ABS 0.00017
r207_206r_Th 0.04757 ABS 0.00017
r207_206r_ThPa 0.04756 ABS 0.00017
r207_235r 0.06555 ABS 0.00025
r207_235r_Pa 0.06554 ABS 0.00025
r208_206r 0.13677 ABS 0.0
rhoR206_238r__r207_235r 0.6652 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.66509 ABS 0.0
rhoR206_238r_Th__r207_235r 0.6635 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.66339 ABS 0.0
rhoR207_206r__r238_206r -0.59609 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.59598 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.59422 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.59411 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 64.04 Ma ABS 0.028 Ma
age206_238r_Th 64.137 Ma ABS 0.028 Ma
age207_206r 80.303 Ma ABS 8.549 Ma
age207_206r_Pa 80.135 Ma ABS 8.552 Ma
age207_206r_Th 76.713 Ma ABS 8.558 Ma
age207_206r_ThPa 76.545 Ma ABS 8.56 Ma
age207_235r 64.466 Ma ABS 0.242 Ma
age207_235r_Pa 64.462 Ma ABS 0.242 Ma
bestAge 64.04 Ma ABS 0.028 Ma
percentDiscordance 20.25138

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 15.57044 ABS 0.0
rTh_Usample 0.42892 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 968.27548 ABS 0.0
r207_206s 0.04764 ABS 0.0
r235_207s 15.25589 ABS 0.0
r238_206s 100.1624 ABS 0.0
r238_207s 2,102.54451 ABS 0.0


Sample Name = NC-92
Legacy = false
Fraction ID = zXL3a
Grain ID = zXL3a
Zircon = true
Time Stamp = February 3, 2016 9:57 PM
Mineral Name = other
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1
Stacey Kramers Correlation Coefficients = 0.5
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = EARTHTIME Example Pb Blank IC v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = example alphaPb
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 0.0025 ABS 0.0002
alphaU 0.00105 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 137.8185 ABS 0.02232
r238_235s 137.8185 ABS 0.02232
r265_267m 0.98812 PCT 0.01147
r270_265m 0.70086 PCT 0.01274
r270_267m 0.69253 PCT 0.0136
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0094 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00088 PCT 0.52729
r206_204m 628.48016 PCT 0.56302
r206_205m 0.5511 PCT 0.0307
r206_207m 14.86156 PCT 0.11921
r206_208m 5.98333 PCT 0.06845
r207_204m 42.38456 PCT 0.55151
r207_205m 0.03708 PCT 0.09866
r208_204m 105.25882 PCT 0.54438
r208_205m 0.09212 PCT 0.06899
r233_235m 0.99204 PCT 0.01147
r238_233m 0.70086 PCT 0.01274
r238_235m 0.69528 PCT 0.0136

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00769 ABS 0.00001
r206_238r_Th 0.0077 ABS 0.00001
r207_206r 0.04635 ABS 0.00025
r207_206r_Pa 0.04635 ABS 0.00025
r207_206r_Th 0.04626 ABS 0.00025
r207_206r_ThPa 0.04626 ABS 0.00025
r207_235r 0.04911 ABS 0.00029
r207_235r_Pa 0.0491 ABS 0.00029
r208_206r 0.11666 ABS 0.0
rhoR206_238r__r207_235r 0.657 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.65692 ABS 0.0
rhoR206_238r_Th__r207_235r 0.65574 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.65565 ABS 0.0
rhoR207_206r__r238_206r -0.58334 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.58326 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.5821 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.58202 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 49.364 Ma ABS 0.033 Ma
age206_238r_Th 49.462 Ma ABS 0.033 Ma
age207_206r 14.905 Ma ABS 13.1 Ma
age207_206r_Pa 14.677 Ma ABS 13.104 Ma
age207_206r_Th 10.101 Ma ABS 13.117 Ma
age207_206r_ThPa 9.873 Ma ABS 13.121 Ma
age207_235r 48.675 Ma ABS 0.279 Ma
age207_235r_Pa 48.671 Ma ABS 0.279 Ma
bestAge 49.364 Ma ABS 0.033 Ma
percentDiscordance -231.19168

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 11.02083 ABS 0.0
rTh_Usample 0.36539 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 703.15222 ABS 0.0
r207_206s 0.04635 ABS 0.0
r235_207s 20.36435 ABS 0.0
r238_206s 130.09124 ABS 0.0
r238_207s 2,806.584 ABS 0.0


Sample Name = NC-92
Legacy = false
Fraction ID = zXL3b
Grain ID = zXL3b
Zircon = true
Time Stamp = February 3, 2016 9:57 PM
Mineral Name = other
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1
Stacey Kramers Correlation Coefficients = 0.5
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = EARTHTIME Example Pb Blank IC v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = example alphaPb
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 0.0025 ABS 0.0002
alphaU 0.00094 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 137.8185 ABS 0.02232
r238_235s 137.8185 ABS 0.02232
r265_267m 0.9863 PCT 0.00211
r270_265m 0.92529 PCT 0.00225
r270_267m 0.91262 PCT 0.00201
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0162 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00039 PCT 0.34292
r206_204m 1,865.41046 PCT 0.34773
r206_205m 0.72447 PCT 0.01565
r206_207m 18.72954 PCT 0.05085
r206_208m 7.89273 PCT 0.03829
r207_204m 99.5752 PCT 0.34555
r207_205m 0.03868 PCT 0.0534
r208_204m 236.29494 PCT 0.34026
r208_205m 0.09179 PCT 0.04086
r233_235m 0.99021 PCT 0.00211
r238_233m 0.92529 PCT 0.00225
r238_235m 0.91623 PCT 0.00201

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.0078 ABS 0.0
r206_238r_Th 0.00781 ABS 0.0
r207_206r 0.04721 ABS 0.00007
r207_206r_Pa 0.0472 ABS 0.00007
r207_206r_Th 0.04711 ABS 0.00007
r207_206r_ThPa 0.04711 ABS 0.00007
r207_235r 0.05072 ABS 0.00008
r207_235r_Pa 0.05072 ABS 0.00008
r208_206r 0.11189 ABS 0.0
rhoR206_238r__r207_235r 0.56061 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.55974 ABS 0.0
rhoR206_238r_Th__r207_235r 0.5582 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.55734 ABS 0.0
rhoR207_206r__r238_206r -0.41721 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.41644 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.41424 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.41348 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 50.064 Ma ABS 0.015 Ma
age206_238r_Th 50.163 Ma ABS 0.015 Ma
age207_206r 58.572 Ma ABS 3.577 Ma
age207_206r_Pa 58.354 Ma ABS 3.584 Ma
age207_206r_Th 53.856 Ma ABS 3.582 Ma
age207_206r_ThPa 53.637 Ma ABS 3.589 Ma
age207_235r 50.239 Ma ABS 0.081 Ma
age207_235r_Pa 50.234 Ma ABS 0.081 Ma
bestAge 50.064 Ma ABS 0.015 Ma
percentDiscordance 14.52578

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 38.79669 ABS 0.0
rTh_Usample 0.35047 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 2,437.5629 ABS 0.0
r207_206s 0.04721 ABS 0.0
r235_207s 19.71526 ABS 0.0
r238_206s 128.26338 ABS 0.0
r238_207s 2,717.12781 ABS 0.0


Sample Name = NC-92
Legacy = false
Fraction ID = zXL19
Grain ID = zXL19
Zircon = true
Time Stamp = February 3, 2016 9:57 PM
Mineral Name = other
Setting Type = other
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 1
Stacey Kramers Correlation Coefficients = 0.5
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = EARTHTIME Example Pb Blank IC v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = example alphaPb
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 0.0025 ABS 0.0002
alphaU 0.00103 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 137.8185 ABS 0.02232
r238_235s 137.8185 ABS 0.02232
r265_267m 0.9911 PCT 0.00903
r270_265m 0.27539 PCT 0.02314
r270_267m 0.27294 PCT 0.02174
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0127 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00101 PCT 0.40084
r206_204m 224.75035 PCT 0.40309
r206_205m 0.22627 PCT 0.03869
r206_207m 9.45365 PCT 0.12526
r206_208m 3.42844 PCT 0.09258
r207_204m 23.78052 PCT 0.41401
r207_205m 0.02394 PCT 0.12344
r208_204m 65.56548 PCT 0.40361
r208_205m 0.066 PCT 0.0845
r233_235m 0.99505 PCT 0.00903
r238_233m 0.27539 PCT 0.02314
r238_235m 0.27403 PCT 0.02174

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00768 ABS 0.00001
r206_238r_Th 0.0077 ABS 0.00001
r207_206r 0.04639 ABS 0.00069
r207_206r_Pa 0.04638 ABS 0.00069
r207_206r_Th 0.0463 ABS 0.00069
r207_206r_ThPa 0.04629 ABS 0.00069
r207_235r 0.04913 ABS 0.00077
r207_235r_Pa 0.04912 ABS 0.00077
r208_206r 0.15055 ABS 0.0
rhoR206_238r__r207_235r 0.71906 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.71905 ABS 0.0
rhoR206_238r_Th__r207_235r 0.71765 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.71764 ABS 0.0
rhoR207_206r__r238_206r -0.68169 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.68168 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.68029 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.68028 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 49.349 Ma ABS 0.056 Ma
age206_238r_Th 49.444 Ma ABS 0.055 Ma
age207_206r 16.687 Ma ABS 35.975 Ma
age207_206r_Pa 16.46 Ma ABS 35.981 Ma
age207_206r_Th 12.024 Ma ABS 36.018 Ma
age207_206r_ThPa 11.797 Ma ABS 36.024 Ma
age207_235r 48.696 Ma ABS 0.749 Ma
age207_235r_Pa 48.692 Ma ABS 0.75 Ma
bestAge 49.349 Ma ABS 0.056 Ma
percentDiscordance -195.7238

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 3.79871 ABS 0.0
rTh_Usample 0.47158 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 247.57198 ABS 0.0
r207_206s 0.04639 ABS 0.0
r235_207s 20.35541 ABS 0.0
r238_206s 130.13061 ABS 0.0
r238_207s 2,805.35162 ABS 0.0




filename:15439.xml
NSF logo Funded by the US National Science Foundation (NSF)