This sample belongs to: Noah McLean

Sample Unique Identifier = NMM000009 (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:

Attachment: concordia


Sample Date Models
Sample Date Model Name: weighted mean 206Pb/238U (Th-corrected)
Value: 48490004.17761933803558349609375
Uncertainty Type: ABS
One Sigma: 13475.956835419970957445912063121795654296875
Mean Squared Weighted Deviation: 5.329007889876084647085008327849209308624267578125
Internal Two Sigma Uncertainty: 26951.91367083994191489182412624359130859375
PlusInternal Two Sigma Uncertainty:
Minus Internal Two Sigma Uncertainty:
Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty: 35232.6531664095018641091883182525634765625
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: 62642.5034648861692403443157672882080078125
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

Explanation: Explanation
Comment: Comment
Preferred: true


Alph Pb Models:
Name Value Uncertainty Type One Sigma
MIT Daly 0.0025 ABS 0.0002


Analysis Fractions
Sample Name = NMNC581
Legacy = false
Fraction ID = z1
Grain ID = z1
Zircon = true
Time Stamp = January 23, 2016 3:28 PM
Mineral Name = zircon
Setting Type = loose grain
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 0
Stacey Kramers Correlation Coefficients = 0
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = true
Analysis Fraction Comment = NONE
Pb Blank ID = Matt 3-24 TPBs v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = MIT Daly
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.0025 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 137.818 ABS 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.98999 PCT 0.00598
r270_265m 0.40938 PCT 0.00809
r270_267m 0.40528 PCT 0.00935
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0118 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.0003 PCT 0.51047
r206_204m 1,051.08441 PCT 0.54155
r206_205m 0.30987 PCT 0.01927
r206_207m 17.58645 PCT 0.09426
r206_208m 6.05745 PCT 0.0662
r207_204m 59.79797 PCT 0.57903
r207_205m 0.01763 PCT 0.09385
r208_204m 173.89842 PCT 0.63218
r208_205m 0.05119 PCT 0.06083
r233_235m 0.99392 PCT 0.00598
r238_233m 0.40938 PCT 0.00809
r238_235m 0.40689 PCT 0.00935

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00753 ABS 0.0
r206_238r_Th 0.00754 ABS 0.0
r207_206r 0.0466 ABS 0.00015
r207_206r_Pa 0.0466 ABS 0.00015
r207_206r_Th 0.04651 ABS 0.00014
r207_206r_ThPa 0.0465 ABS 0.00015
r207_235r 0.04835 ABS 0.00017
r207_235r_Pa 0.04835 ABS 0.00017
r208_206r 0.14091 ABS 0.0
rhoR206_238r__r207_235r 0.74193 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.74164 ABS 0.0
rhoR206_238r_Th__r207_235r 0.73948 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.73919 ABS 0.0
rhoR207_206r__r238_206r -0.67437 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.67405 ABS 0.0
rhoR207_206r_Pa__r238_206r_Th -0.06838 ABS 0.0
rhoR207_206r_Th__r238_206r -0.6745 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.67146 ABS 0.0
rhoR207_206r_ThPa__r238_206r -0.06923 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.67115 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 48.354 Ma ABS 0.022 Ma
age206_238r_Th 48.451 Ma ABS 0.022 Ma
age207_206r 27.689 Ma ABS 7.479 Ma
age207_206r_Pa 27.459 Ma ABS 7.484 Ma
age207_206r_Th 22.891 Ma ABS 7.489 Ma
age207_206r_ThPa 22.66 Ma ABS 7.494 Ma
age207_235r 47.948 Ma ABS 0.161 Ma
age207_235r_Pa 47.944 Ma ABS 0.161 Ma
bestAge 48.354 Ma ABS 0.022 Ma
percentDiscordance -74.63153

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 24.63893 ABS 0.0
rTh_Usample 0.44013 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 1,517.62021 ABS 0.0
r207_206s 0.0466 ABS 0.0
r235_207s 20.6806 ABS 0.0
r238_206s 132.8169 ABS 0.0
r238_207s 2,850.15842 ABS 0.0


Sample Name = NMNC581
Legacy = false
Fraction ID = z2
Grain ID = z2
Zircon = true
Time Stamp = January 23, 2016 3:28 PM
Mineral Name = zircon
Setting Type = loose grain
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 0
Stacey Kramers Correlation Coefficients = 0
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = true
Analysis Fraction Comment = NONE
Pb Blank ID = Matt 3-24 TPBs v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = MIT Daly
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.0025 ABS 0.0002
alphaU 0.00096 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 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.98914 PCT 0.00303
r270_265m 0.53135 PCT 0.00553
r270_267m 0.52558 PCT 0.00384
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0112 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00035 PCT 0.3259
r206_204m 1,167.33823 PCT 0.34413
r206_205m 0.4031 PCT 0.01769
r206_207m 17.63691 PCT 0.06653
r206_208m 8.1991 PCT 0.04571
r207_204m 66.31429 PCT 0.35998
r207_205m 0.02286 PCT 0.05608
r208_204m 142.58349 PCT 0.3768
r208_205m 0.04917 PCT 0.04903
r233_235m 0.99307 PCT 0.00303
r238_233m 0.53135 PCT 0.00553
r238_235m 0.52767 PCT 0.00384

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00754 ABS 0.0
r206_238r_Th 0.00755 ABS 0.0
r207_206r 0.04706 ABS 0.00011
r207_206r_Pa 0.04705 ABS 0.00011
r207_206r_Th 0.04696 ABS 0.00011
r207_206r_ThPa 0.04696 ABS 0.00011
r207_235r 0.04889 ABS 0.00013
r207_235r_Pa 0.04889 ABS 0.00013
r208_206r 0.09846 ABS 0.0
rhoR206_238r__r207_235r 0.5638 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.56342 ABS 0.0
rhoR206_238r_Th__r207_235r 0.56187 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.56149 ABS 0.0
rhoR207_206r__r238_206r -0.45961 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.45927 ABS 0.0
rhoR207_206r_Pa__r238_206r_Th -0.0363 ABS 0.0
rhoR207_206r_Th__r238_206r -0.4589 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.45753 ABS 0.0
rhoR207_206r_ThPa__r238_206r -0.03673 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.45719 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 48.415 Ma ABS 0.017 Ma
age206_238r_Th 48.515 Ma ABS 0.017 Ma
age207_206r 51.155 Ma ABS 5.76 Ma
age207_206r_Pa 50.929 Ma ABS 5.765 Ma
age207_206r_Th 46.207 Ma ABS 5.768 Ma
age207_206r_ThPa 45.979 Ma ABS 5.773 Ma
age207_235r 48.469 Ma ABS 0.123 Ma
age207_235r_Pa 48.464 Ma ABS 0.123 Ma
bestAge 48.415 Ma ABS 0.017 Ma
percentDiscordance 5.35789

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 24.8547 ABS 0.0
rTh_Usample 0.30752 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 1,586.67708 ABS 0.0
r207_206s 0.04706 ABS 0.0
r235_207s 20.45314 ABS 0.0
r238_206s 132.65081 ABS 0.0
r238_207s 2,818.811 ABS 0.0


Sample Name = NMNC581
Legacy = false
Fraction ID = z3
Grain ID = z3
Zircon = true
Time Stamp = January 23, 2016 3:28 PM
Mineral Name = zircon
Setting Type = loose grain
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 0
Stacey Kramers Correlation Coefficients = 0
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = true
Analysis Fraction Comment = NONE
Pb Blank ID = Matt 3-24 TPBs v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = MIT Daly
Fractionation Corrected U = false
Alpha U Model ID = #NONE#

Pb Collector Type = NONE
U Collector Type = NONE

Analysis Measures
Name Value Uncertainty Type One Sigma
alphaPb 0.0025 ABS 0.0002
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 0.022
r238_235s 137.818 ABS 0.022
r265_267m 0.99241 PCT 0.00449
r270_265m 0.0548 PCT 0.03558
r270_267m 0.05438 PCT 0.03579
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0129 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00028 PCT 0.61034
r206_204m 155.81061 PCT 0.65467
r206_205m 0.04321 PCT 0.04645
r206_207m 8.54335 PCT 0.19118
r206_208m 3.64525 PCT 0.1828
r207_204m 18.24093 PCT 0.78659
r207_205m 0.00506 PCT 0.17623
r208_204m 42.95013 PCT 0.73276
r208_205m 0.01194 PCT 0.13525
r233_235m 0.99637 PCT 0.00449
r238_233m 0.0548 PCT 0.03558
r238_235m 0.0546 PCT 0.03579

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00763 ABS 0.00001
r206_238r_Th 0.00765 ABS 0.00001
r207_206r 0.04829 ABS 0.00109
r207_206r_Pa 0.04829 ABS 0.00109
r207_206r_Th 0.04819 ABS 0.00108
r207_206r_ThPa 0.04819 ABS 0.00108
r207_235r 0.05078 ABS 0.00121
r207_235r_Pa 0.05078 ABS 0.00121
r208_206r 0.10832 ABS 0.0
rhoR206_238r__r207_235r 0.8133 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.8133 ABS 0.0
rhoR206_238r_Th__r207_235r 0.81245 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.81244 ABS 0.0
rhoR207_206r__r238_206r -0.78704 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.78703 ABS 0.0
rhoR207_206r_Pa__r238_206r_Th -0.48349 ABS 0.0
rhoR207_206r_Th__r238_206r -0.78674 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.7862 ABS 0.0
rhoR207_206r_ThPa__r238_206r -0.4846 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.78619 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 49.0 Ma ABS 0.083 Ma
age206_238r_Th 49.099 Ma ABS 0.083 Ma
age207_206r 112.433 Ma ABS 53.112 Ma
age207_206r_Pa 112.217 Ma ABS 53.12 Ma
age207_206r_Th 107.639 Ma ABS 53.177 Ma
age207_206r_ThPa 107.423 Ma ABS 53.185 Ma
age207_235r 50.295 Ma ABS 1.171 Ma
age207_235r_Pa 50.29 Ma ABS 1.171 Ma
bestAge 49.0 Ma ABS 0.083 Ma
percentDiscordance 56.41845

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 3.37017 ABS 0.0
rTh_Usample 0.33833 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 228.85787 ABS 0.0
r207_206s 0.04829 ABS 0.0
r235_207s 19.69284 ABS 0.0
r238_206s 131.06007 ABS 0.0
r238_207s 2,714.02837 ABS 0.0




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