Sample Unique Identifier = NMM000010
(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 Model Name: weighted mean 206Pb/238U (Th-corrected)
Value: 44857125.45827026665210723876953125
Uncertainty Type: ABS
One Sigma: 11436.1823349737605894915759563446044921875
Mean Squared Weighted Deviation: 3.4422215085685454738495536730624735355377197265625
Internal Two Sigma Uncertainty: 22872.364669947521178983151912689208984375
PlusInternal Two Sigma Uncertainty:
Minus Internal Two Sigma Uncertainty:
Internal Two Sigma Uncertainty with Tracer Calibration Uncertainty: 30166.89616618607033160515129566192626953125
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: 56611.11176008594338782131671905517578125
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
z5
Explanation: Explanation
Comment: Comment
Preferred: true
Sample Name = NC-197
Legacy = false
Fraction ID = z1
Grain ID = z1
Zircon = true
Time Stamp = January 23, 2016 2:33 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 = NONE
Pb Blank ID = Matt TPB 3-2-11 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 |
0.00088 |
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 |
0.98988 |
PCT |
0.00662 |
r270_265m |
0.40429 |
PCT |
0.00836 |
r270_267m |
0.4002 |
PCT |
0.00952 |
rTh_Umagma |
4.0 |
ABS |
0.5 |
tracerMassInGrams |
0.0109 |
ABS |
0.0001 |
uBlankMassInGrams |
0.0 |
ABS |
0.0 |
Measured Ratios
Name |
Value |
Uncertainty Type |
One Sigma |
r204_205m |
0.00047 |
PCT |
0.43535 |
r206_204m |
613.13361 |
PCT |
0.43561 |
r206_205m |
0.28644 |
PCT |
0.01979 |
r206_207m |
14.91032 |
PCT |
0.06126 |
r206_208m |
7.28153 |
PCT |
0.07508 |
r207_204m |
41.11602 |
PCT |
0.43815 |
r207_205m |
0.0192 |
PCT |
0.05856 |
r208_204m |
84.12304 |
PCT |
0.48041 |
r208_205m |
0.03934 |
PCT |
0.07236 |
r233_235m |
0.99382 |
PCT |
0.00662 |
r238_233m |
0.40429 |
PCT |
0.00836 |
r238_235m |
0.40179 |
PCT |
0.00952 |
Radiogenic Isotope Ratios
Name |
Value |
Uncertainty Type |
One Sigma |
r206_238r |
0.00696 |
ABS |
0.0 |
r206_238r_Th |
0.00698 |
ABS |
0.0 |
r207_206r |
0.04708 |
ABS |
0.00032 |
r207_206r_Pa |
0.04708 |
ABS |
0.00032 |
r207_206r_Th |
0.04697 |
ABS |
0.00032 |
r207_206r_ThPa |
0.04697 |
ABS |
0.00032 |
r207_235r |
0.04517 |
ABS |
0.00031 |
r207_235r_Pa |
0.04516 |
ABS |
0.00031 |
r208_206r |
0.08822 |
ABS |
0.0 |
rhoR206_238r__r207_235r |
0.2493 |
ABS |
0.0 |
rhoR206_238r__r207_235r_Pa |
0.24928 |
ABS |
0.0 |
rhoR206_238r_Th__r207_235r |
0.24823 |
ABS |
0.0 |
rhoR206_238r_Th__r207_235r_Pa |
0.2482 |
ABS |
0.0 |
rhoR207_206r__r238_206r |
-0.16462 |
ABS |
0.0 |
rhoR207_206r_Pa__r238_206r |
-0.16461 |
ABS |
0.0 |
rhoR207_206r_Pa__r238_206r_Th |
-0.08053 |
ABS |
0.0 |
rhoR207_206r_Th__r238_206r |
-0.54508 |
ABS |
0.0 |
rhoR207_206r_Th__r238_206r_Th |
-0.16372 |
ABS |
0.0 |
rhoR207_206r_ThPa__r238_206r |
-0.08129 |
ABS |
0.0 |
rhoR207_206r_ThPa__r238_206r_Th |
-0.16371 |
ABS |
0.0 |
Radiogenic Isotope Dates
Name |
Value |
Uncertainty Type |
One Sigma |
age206_238r |
44.718 Ma |
ABS |
0.027 Ma
|
age206_238r_Th |
44.819 Ma |
ABS |
0.027 Ma
|
age207_206r |
52.22 Ma |
ABS |
16.246 Ma
|
age207_206r_Pa |
51.974 Ma |
ABS |
16.251 Ma
|
age207_206r_Th |
46.815 Ma |
ABS |
16.265 Ma
|
age207_206r_ThPa |
46.569 Ma |
ABS |
16.269 Ma
|
age207_235r |
44.856 Ma |
ABS |
0.304 Ma
|
age207_235r_Pa |
44.851 Ma |
ABS |
0.304 Ma
|
bestAge |
44.718 Ma |
ABS |
0.027 Ma
|
percentDiscordance |
14.36546 |
|
|
Compositional Measures
Name |
Value |
Uncertainty Type |
One Sigma |
massPb_rib |
0.0 |
ABS |
0.0 |
massU |
0.0 |
ABS |
0.0 |
radToCommonTotal |
11.52137 |
ABS |
0.0 |
rTh_Usample |
0.27544 |
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 |
761.92326 |
ABS |
0.0 |
r207_206s |
0.04708 |
ABS |
0.0 |
r235_207s |
22.1403 |
ABS |
0.0 |
r238_206s |
143.65707 |
ABS |
0.0 |
r238_207s |
3,051.33167 |
ABS |
0.0 |
Sample Name = NC-197
Legacy = false
Fraction ID = z2
Grain ID = z2
Zircon = true
Time Stamp = January 23, 2016 2:33 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 TPB 3-2-11 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 |
0.0009 |
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 |
0.98121 |
PCT |
0.00827 |
r270_265m |
1.63904 |
PCT |
0.011 |
r270_267m |
1.60829 |
PCT |
0.00981 |
rTh_Umagma |
4.0 |
ABS |
0.5 |
tracerMassInGrams |
0.0058 |
ABS |
0.0001 |
uBlankMassInGrams |
0.0 |
ABS |
0.0 |
Measured Ratios
Name |
Value |
Uncertainty Type |
One Sigma |
r204_205m |
0.00091 |
PCT |
0.49464 |
r206_204m |
1,270.28815 |
PCT |
0.49297 |
r206_205m |
1.15398 |
PCT |
0.02182 |
r206_207m |
17.45215 |
PCT |
0.06942 |
r206_208m |
8.85108 |
PCT |
0.03594 |
r207_204m |
72.56031 |
PCT |
0.51512 |
r207_205m |
0.06609 |
PCT |
0.07094 |
r208_204m |
143.57865 |
PCT |
0.50984 |
r208_205m |
0.13032 |
PCT |
0.04046 |
r233_235m |
0.98508 |
PCT |
0.00827 |
r238_233m |
1.63904 |
PCT |
0.011 |
r238_235m |
1.61463 |
PCT |
0.00981 |
Radiogenic Isotope Ratios
Name |
Value |
Uncertainty Type |
One Sigma |
r206_238r |
0.00696 |
ABS |
0.0 |
r206_238r_Th |
0.00698 |
ABS |
0.0 |
r207_206r |
0.04687 |
ABS |
0.00018 |
r207_206r_Pa |
0.04686 |
ABS |
0.00018 |
r207_206r_Th |
0.04676 |
ABS |
0.00018 |
r207_206r_ThPa |
0.04676 |
ABS |
0.00018 |
r207_235r |
0.04498 |
ABS |
0.00017 |
r207_235r_Pa |
0.04497 |
ABS |
0.00017 |
r208_206r |
0.08742 |
ABS |
0.0 |
rhoR206_238r__r207_235r |
0.25025 |
ABS |
0.0 |
rhoR206_238r__r207_235r_Pa |
0.25017 |
ABS |
0.0 |
rhoR206_238r_Th__r207_235r |
0.2493 |
ABS |
0.0 |
rhoR206_238r_Th__r207_235r_Pa |
0.24921 |
ABS |
0.0 |
rhoR207_206r__r238_206r |
-0.13748 |
ABS |
0.0 |
rhoR207_206r_Pa__r238_206r |
-0.13744 |
ABS |
0.0 |
rhoR207_206r_Th__r238_206r_Th |
-0.13668 |
ABS |
0.0 |
rhoR207_206r_ThPa__r238_206r_Th |
-0.13664 |
ABS |
0.0 |
Radiogenic Isotope Dates
Name |
Value |
Uncertainty Type |
One Sigma |
age206_238r |
44.731 Ma |
ABS |
0.02 Ma
|
age206_238r_Th |
44.832 Ma |
ABS |
0.02 Ma
|
age207_206r |
41.359 Ma |
ABS |
9.071 Ma
|
age207_206r_Pa |
41.112 Ma |
ABS |
9.075 Ma
|
age207_206r_Th |
35.941 Ma |
ABS |
9.081 Ma
|
age207_206r_ThPa |
35.694 Ma |
ABS |
9.086 Ma
|
age207_235r |
44.67 Ma |
ABS |
0.17 Ma
|
age207_235r_Pa |
44.665 Ma |
ABS |
0.17 Ma
|
bestAge |
44.731 Ma |
ABS |
0.02 Ma
|
percentDiscordance |
-8.15317 |
|
|
Compositional Measures
Name |
Value |
Uncertainty Type |
One Sigma |
massPb_rib |
0.0 |
ABS |
0.0 |
massU |
0.0 |
ABS |
0.0 |
radToCommonTotal |
21.67419 |
ABS |
0.0 |
rTh_Usample |
0.27292 |
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 |
1,418.1853 |
ABS |
0.0 |
r207_206s |
0.04687 |
ABS |
0.0 |
r235_207s |
22.23454 |
ABS |
0.0 |
r238_206s |
143.61425 |
ABS |
0.0 |
r238_207s |
3,064.31982 |
ABS |
0.0 |
Sample Name = NC-197
Legacy = false
Fraction ID = z5
Grain ID = z5
Zircon = true
Time Stamp = January 23, 2016 2:33 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 TPB 3-2-11 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 |
0.00085 |
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 |
0.97105 |
PCT |
0.0061 |
r270_265m |
3.09178 |
PCT |
0.00498 |
r270_267m |
3.00232 |
PCT |
0.00466 |
rTh_Umagma |
4.0 |
ABS |
0.5 |
tracerMassInGrams |
0.0061 |
ABS |
0.0001 |
uBlankMassInGrams |
0.0 |
ABS |
0.0 |
Measured Ratios
Name |
Value |
Uncertainty Type |
One Sigma |
r204_205m |
0.00069 |
PCT |
0.43747 |
r206_204m |
3,147.181 |
PCT |
0.44504 |
r206_205m |
2.16301 |
PCT |
0.02209 |
r206_207m |
19.61069 |
PCT |
0.05346 |
r206_208m |
9.22867 |
PCT |
0.03995 |
r207_204m |
160.30767 |
PCT |
0.46914 |
r207_205m |
0.11031 |
PCT |
0.05976 |
r208_204m |
340.43185 |
PCT |
0.4773 |
r208_205m |
0.23435 |
PCT |
0.04173 |
r233_235m |
0.97484 |
PCT |
0.0061 |
r238_233m |
3.09178 |
PCT |
0.00498 |
r238_235m |
3.01403 |
PCT |
0.00466 |
Radiogenic Isotope Ratios
Name |
Value |
Uncertainty Type |
One Sigma |
r206_238r |
0.00697 |
ABS |
0.0 |
r206_238r_Th |
0.00699 |
ABS |
0.0 |
r207_206r |
0.04698 |
ABS |
0.00007 |
r207_206r_Pa |
0.04697 |
ABS |
0.00007 |
r207_206r_Th |
0.04687 |
ABS |
0.00007 |
r207_206r_ThPa |
0.04687 |
ABS |
0.00007 |
r207_235r |
0.04514 |
ABS |
0.00008 |
r207_235r_Pa |
0.04513 |
ABS |
0.00008 |
r208_206r |
0.09869 |
ABS |
0.0 |
rhoR206_238r__r207_235r |
0.4231 |
ABS |
0.0 |
rhoR206_238r__r207_235r_Pa |
0.42234 |
ABS |
0.0 |
rhoR206_238r_Th__r207_235r |
0.42191 |
ABS |
0.0 |
rhoR206_238r_Th__r207_235r_Pa |
0.42115 |
ABS |
0.0 |
rhoR207_206r__r238_206r |
-0.22525 |
ABS |
0.0 |
rhoR207_206r_Pa__r238_206r |
-0.2248 |
ABS |
0.0 |
rhoR207_206r_Th__r238_206r_Th |
-0.224 |
ABS |
0.0 |
rhoR207_206r_ThPa__r238_206r_Th |
-0.22355 |
ABS |
0.0 |
Radiogenic Isotope Dates
Name |
Value |
Uncertainty Type |
One Sigma |
age206_238r |
44.787 Ma |
ABS |
0.016 Ma
|
age206_238r_Th |
44.887 Ma |
ABS |
0.016 Ma
|
age207_206r |
47.038 Ma |
ABS |
3.809 Ma
|
age207_206r_Pa |
46.792 Ma |
ABS |
3.817 Ma
|
age207_206r_Th |
41.684 Ma |
ABS |
3.814 Ma
|
age207_206r_ThPa |
41.438 Ma |
ABS |
3.822 Ma
|
age207_235r |
44.828 Ma |
ABS |
0.075 Ma
|
age207_235r_Pa |
44.824 Ma |
ABS |
0.075 Ma
|
bestAge |
44.787 Ma |
ABS |
0.016 Ma
|
percentDiscordance |
4.7859 |
|
|
Compositional Measures
Name |
Value |
Uncertainty Type |
One Sigma |
massPb_rib |
0.0 |
ABS |
0.0 |
massU |
0.0 |
ABS |
0.0 |
radToCommonTotal |
56.59513 |
ABS |
0.0 |
rTh_Usample |
0.30812 |
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 |
3,636.47783 |
ABS |
0.0 |
r207_206s |
0.04698 |
ABS |
0.0 |
r235_207s |
22.15416 |
ABS |
0.0 |
r238_206s |
143.43544 |
ABS |
0.0 |
r238_207s |
3,053.24219 |
ABS |
0.0 |