This sample belongs to: Noah McLean

Sample Unique Identifier = NMM000007 (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: 47196800.74370445311069488525390625
Uncertainty Type: ABS
One Sigma: 10109.643124065010852064006030559539794921875
Mean Squared Weighted Deviation: 0.7532425435876615171792991532129235565662384033203125
Internal Two Sigma Uncertainty: 20219.28624813002170412801206111907958984375
PlusInternal Two Sigma Uncertainty:
Minus Internal Two Sigma Uncertainty:
Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty: 29142.05724675808960455469787120819091796875
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: 58222.734519434787216596305370330810546875
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
z6

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 = H20FG
Legacy = false
Fraction ID = z1
Grain ID = z1
Zircon = true
Image:
Time Stamp = January 23, 2016 12:56 PM
Mineral Name = zircon
Setting Type = loose grain
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 0.0000
Stacey Kramers Correlation Coefficients = 0.0000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = true
Analysis Fraction Comment = First grain from left in image.
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 0.022
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.01
r265_267m 0.98191 PCT 0.00576
r270_265m 1.55224 PCT 0.00548
r270_267m 1.52413 PCT 0.00536
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0116 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00031 PCT 0.70376
r206_204m 3,616.29849 PCT 0.6571
r206_205m 1.13975 PCT 0.03506
r206_207m 19.93965 PCT 0.06202
r206_208m 15.51696 PCT 0.06173
r207_204m 181.28998 PCT 0.64983
r207_205m 0.05716 PCT 0.07567
r208_204m 233.02225 PCT 0.64718
r208_205m 0.07345 PCT 0.07949
r233_235m 0.98578 PCT 0.00576
r238_233m 1.55224 PCT 0.00548
r238_235m 1.53014 PCT 0.00536

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00733 ABS 0.0
r206_238r_Th 0.00735 ABS 0.0
r207_206r 0.0472 ABS 0.00005
r207_206r_Pa 0.04719 ABS 0.00005
r207_206r_Th 0.04709 ABS 0.00005
r207_206r_ThPa 0.04709 ABS 0.00005
r207_235r 0.04769 ABS 0.00005
r207_235r_Pa 0.04768 ABS 0.00005
r208_206r 0.05701 ABS 0.0
rhoR206_238r__r207_235r 0.03466 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.03449 ABS 0.0
rhoR206_238r_Th__r207_235r 0.03439 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.03422 ABS 0.0
rhoR207_206r__r238_206r 0.35539 ABS 0.0
rhoR207_206r_Pa__r238_206r 0.3538 ABS 0.0
rhoR207_206r_Pa__r238_206r_Th 0.01253 ABS 0.0
rhoR207_206r_Th__r238_206r 0.35601 ABS 0.0
rhoR207_206r_Th__r238_206r_Th 0.3551 ABS 0.0
rhoR207_206r_ThPa__r238_206r 0.01252 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th 0.3535 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 47.089 Ma ABS 0.019 Ma
age206_238r_Th 47.193 Ma ABS 0.019 Ma
age207_206r 58.061 Ma ABS 2.476 Ma
age207_206r_Pa 57.829 Ma ABS 2.487 Ma
age207_206r_Th 52.801 Ma ABS 2.478 Ma
age207_206r_ThPa 52.568 Ma ABS 2.489 Ma
age207_235r 47.301 Ma ABS 0.045 Ma
age207_235r_Pa 47.297 Ma ABS 0.045 Ma
bestAge 47.089 Ma ABS 0.019 Ma
percentDiscordance 18.89724

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 77.52762 ABS 0.0
rTh_Usample 0.17802 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 5,095.25482 ABS 0.0
r207_206s 0.0472 ABS 0.0
r235_207s 20.97029 ABS 0.0
r238_206s 136.39908 ABS 0.0
r238_207s 2,890.08361 ABS 0.0


Sample Name = H20FG
Legacy = false
Fraction ID = z2
Grain ID = z2
Zircon = true
Image:
Time Stamp = January 23, 2016 12:56 PM
Mineral Name = zircon
Setting Type = loose grain
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 0.0000
Stacey Kramers Correlation Coefficients = 0.0000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = true
Analysis Fraction Comment = Second grain from left in image.
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 0.022
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.01
r265_267m 0.98861 PCT 0.0042
r270_265m 0.60299 PCT 0.00532
r270_267m 0.59612 PCT 0.00513
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.012 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00035 PCT 0.46568
r206_204m 1,258.59139 PCT 0.4795
r206_205m 0.44472 PCT 0.01705
r206_207m 17.82678 PCT 0.0836
r206_208m 10.7453 PCT 0.04657
r207_204m 70.59382 PCT 0.47014
r207_205m 0.02495 PCT 0.08654
r208_204m 116.98746 PCT 0.50977
r208_205m 0.04136 PCT 0.0487
r233_235m 0.99253 PCT 0.0042
r238_233m 0.60299 PCT 0.00532
r238_235m 0.59849 PCT 0.00513

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00733 ABS 0.0
r206_238r_Th 0.00735 ABS 0.0
r207_206r 0.04707 ABS 0.00011
r207_206r_Pa 0.04707 ABS 0.00011
r207_206r_Th 0.04697 ABS 0.00011
r207_206r_ThPa 0.04697 ABS 0.00011
r207_235r 0.04756 ABS 0.00012
r207_235r_Pa 0.04755 ABS 0.00012
r208_206r 0.07061 ABS 0.0
rhoR206_238r__r207_235r 0.66386 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.66339 ABS 0.0
rhoR206_238r_Th__r207_235r 0.66248 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.662 ABS 0.0
rhoR207_206r__r238_206r -0.57329 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.5728 ABS 0.0
rhoR207_206r_Pa__r238_206r_Th -0.04332 ABS 0.0
rhoR207_206r_Th__r238_206r -0.57303 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.57186 ABS 0.0
rhoR207_206r_ThPa__r238_206r -0.04363 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.57138 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 47.082 Ma ABS 0.017 Ma
age206_238r_Th 47.184 Ma ABS 0.017 Ma
age207_206r 51.883 Ma ABS 5.604 Ma
age207_206r_Pa 51.65 Ma ABS 5.61 Ma
age207_206r_Th 46.674 Ma ABS 5.612 Ma
age207_206r_ThPa 46.441 Ma ABS 5.618 Ma
age207_235r 47.174 Ma ABS 0.119 Ma
age207_235r_Pa 47.17 Ma ABS 0.119 Ma
bestAge 47.082 Ma ABS 0.017 Ma
percentDiscordance 9.25406

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 25.91833 ABS 0.0
rTh_Usample 0.22048 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 1,694.89929 ABS 0.0
r207_206s 0.04707 ABS 0.0
r235_207s 21.02799 ABS 0.0
r238_206s 136.42061 ABS 0.0
r238_207s 2,898.03549 ABS 0.0


Sample Name = H20FG
Legacy = false
Fraction ID = z3
Grain ID = z3
Zircon = true
Image:
Time Stamp = January 23, 2016 12:56 PM
Mineral Name = zircon
Setting Type = loose grain
Number of Grains = 1
Estimated Date = 0.0
Stacey Kramers One Percent Uncertainty = 0.0000
Stacey Kramers Correlation Coefficients = 0.0000
Physically Abraded = false
Leached in HF Acid = false
Annealed and Chemically Abraded = true
Chemically Purified UPb = true
Analysis Fraction Comment = Third grain from left in image
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 0.00087 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 0.022
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.01
r265_267m 0.98203 PCT 0.00789
r270_265m 1.51468 PCT 0.0079
r270_267m 1.48745 PCT 0.00594
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.0126 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.0003 PCT 0.6243
r206_204m 5,205.24257 PCT 0.62266
r206_205m 1.57818 PCT 0.01326
r206_207m 20.2658 PCT 0.04501
r206_208m 22.33586 PCT 0.04523
r207_204m 256.64699 PCT 0.65268
r207_205m 0.07788 PCT 0.0516
r208_204m 232.81962 PCT 0.6656
r208_205m 0.07065 PCT 0.05159
r233_235m 0.9859 PCT 0.00789
r238_233m 1.51468 PCT 0.0079
r238_235m 1.49332 PCT 0.00594

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.01042 ABS 0.0
r206_238r_Th 0.01044 ABS 0.0
r207_206r 0.04735 ABS 0.00004
r207_206r_Pa 0.04734 ABS 0.00004
r207_206r_Th 0.04727 ABS 0.00004
r207_206r_ThPa 0.04727 ABS 0.00004
r207_235r 0.068 ABS 0.00007
r207_235r_Pa 0.06799 ABS 0.00007
r208_206r 0.0396 ABS 0.0
rhoR206_238r__r207_235r 0.57125 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.57002 ABS 0.0
rhoR206_238r_Th__r207_235r 0.57091 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.56968 ABS 0.0
rhoR207_206r__r238_206r -0.32104 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.32014 ABS 0.0
rhoR207_206r_Pa__r238_206r_Th -0.01294 ABS 0.0
rhoR207_206r_Th__r238_206r -0.32114 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.32105 ABS 0.0
rhoR207_206r_ThPa__r238_206r -0.01299 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.32014 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 66.826 Ma ABS 0.02 Ma
age206_238r_Th 66.931 Ma ABS 0.02 Ma
age207_206r 65.681 Ma ABS 2.145 Ma
age207_206r_Pa 65.518 Ma ABS 2.151 Ma
age207_206r_Th 61.932 Ma ABS 2.147 Ma
age207_206r_ThPa 61.769 Ma ABS 2.153 Ma
age207_235r 66.795 Ma ABS 0.067 Ma
age207_235r_Pa 66.791 Ma ABS 0.067 Ma
bestAge 66.826 Ma ABS 0.02 Ma
percentDiscordance -1.74368

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 111.36552 ABS 0.0
rTh_Usample 0.12385 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 7,428.07235 ABS 0.0
r207_206s 0.04735 ABS 0.0
r235_207s 14.70695 ABS 0.0
r238_206s 95.96625 ABS 0.0
r238_207s 2,026.8819 ABS 0.0


Sample Name = H20FG
Legacy = false
Fraction ID = z6
Grain ID = z6
Zircon = true
Time Stamp = January 23, 2016 12:56 PM
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 = 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 0.00086 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 0.022
r238_235b 137.818 ABS 0.022
r238_235s 137.818 ABS 0.01
r265_267m 0.98672 PCT 0.00444
r270_265m 0.84518 PCT 0.00451
r270_267m 0.83396 PCT 0.0051
rTh_Umagma 4.0 ABS 0.5
tracerMassInGrams 0.012 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.0006 PCT 0.72161
r206_204m 1,043.95589 PCT 0.71942
r206_205m 0.62685 PCT 0.01529
r206_207m 16.89946 PCT 0.07561
r206_208m 7.41669 PCT 0.0553
r207_204m 61.30916 PCT 0.78053
r207_205m 0.03709 PCT 0.07773
r208_204m 140.04149 PCT 0.76686
r208_205m 0.08451 PCT 0.05664
r233_235m 0.99063 PCT 0.00444
r238_233m 0.84518 PCT 0.00451
r238_235m 0.83726 PCT 0.0051

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.00734 ABS 0.0
r206_238r_Th 0.00735 ABS 0.0
r207_206r 0.0471 ABS 0.00019
r207_206r_Pa 0.0471 ABS 0.00019
r207_206r_Th 0.047 ABS 0.00019
r207_206r_ThPa 0.047 ABS 0.00019
r207_235r 0.04762 ABS 0.0002
r207_235r_Pa 0.04761 ABS 0.0002
r208_206r 0.10556 ABS 0.0
rhoR206_238r__r207_235r 0.58759 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.58743 ABS 0.0
rhoR206_238r_Th__r207_235r 0.58491 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.58475 ABS 0.0
rhoR207_206r__r238_206r -0.52653 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.52638 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.52367 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.52352 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 47.113 Ma ABS 0.017 Ma
age206_238r_Th 47.213 Ma ABS 0.017 Ma
age207_206r 53.384 Ma ABS 9.435 Ma
age207_206r_Pa 53.151 Ma ABS 9.439 Ma
age207_206r_Th 48.331 Ma ABS 9.447 Ma
age207_206r_ThPa 48.098 Ma ABS 9.451 Ma
age207_235r 47.234 Ma ABS 0.192 Ma
age207_235r_Pa 47.23 Ma ABS 0.192 Ma
bestAge 47.113 Ma ABS 0.017 Ma
percentDiscordance 11.74707

Compositional Measures
Name Value Uncertainty Type One Sigma
massPb_rib 0.0 ABS 0.0
massU 0.0 ABS 0.0
radToCommonTotal 19.30317 ABS 0.0
rTh_Usample 0.32965 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 1,228.74036 ABS 0.0
r207_206s 0.0471 ABS 0.0
r235_207s 21.00058 ABS 0.0
r238_206s 136.32856 ABS 0.0
r238_207s 2,894.25858 ABS 0.0




filename:15402.xml
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