This sample belongs to: Brandon Keough

Sample Unique Identifier = 58052/IECAR000E (Detail)
Aliquot Unique Identifier = 10.58052/IECAR000E (Detail)
Aliquot Name = zircon
Analysis Purpose = NONE
Laboratory Name = RIGL
Analyst Name = MassSpec
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:



Alph Pb Models:
Name Value Uncertainty Type One Sigma
RIGL_Pb_Daly_20230421 0.00159 ABS 0.00027


Analysis Fractions
Sample Name = SH24-084B
Legacy = false
Fraction ID = z01
Grain ID = z01
Zircon = true
Time Stamp = March 31, 2026 5:01 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 = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = 20250504_RIGL v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = RIGL_Pb_Daly_20230421
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 0.00159 ABS 0.00027
alphaU 0.00082 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.1 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.002 ABS 0.00002
r238_235b 137.8185 ABS 0.0223
r238_235s 137.8185 ABS 0.0223
r265_267m 0.99242 PCT 0.00425
r270_265m 0.04878 PCT 0.02062
r270_267m 0.04841 PCT 0.0206
rTh_Umagma 3.5 ABS 0.5
tracerMassInGrams 0.007 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00074 PCT 0.61692
r206_204m 243.54925 PCT 0.62814
r206_205m 0.18069 PCT 0.05249
r206_207m 9.4696 PCT 0.14055
r206_208m 2.95067 PCT 0.09956
r207_204m 25.72252 PCT 0.63287
r207_205m 0.01908 PCT 0.13659
r208_204m 82.53387 PCT 0.6065
r208_205m 0.06124 PCT 0.08227
r233_235m 0.99637 PCT 0.00425
r238_233m 0.04878 PCT 0.02062
r238_235m 0.04861 PCT 0.0206

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03684 ABS 0.00006
r206_238r_Th 0.03685 ABS 0.00006
r207_206r 0.05085 ABS 0.00079
r207_206r_Pa 0.05085 ABS 0.00079
r207_206r_Th 0.05083 ABS 0.00079
r207_206r_ThPa 0.05083 ABS 0.00079
r207_235r 0.25815 ABS 0.00426
r207_235r_Pa 0.25815 ABS 0.00426
r208_206r 0.21242 ABS 0.0
rhoR206_238r__r207_235r 0.65626 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.65626 ABS 0.0
rhoR206_238r_Th__r207_235r 0.656 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.656 ABS 0.0
rhoR207_206r__r238_206r -0.59327 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.59327 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.59302 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.59302 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 233.198 Ma ABS 0.379 Ma
age206_238r_Th 233.283 Ma ABS 0.379 Ma
age207_206r 232.972 Ma ABS 35.695 Ma
age207_206r_Pa 232.93 Ma ABS 35.696 Ma
age207_206r_Th 232.115 Ma ABS 35.703 Ma
age207_206r_ThPa 232.074 Ma ABS 35.704 Ma
age207_235r 233.178 Ma ABS 3.437 Ma
age207_235r_Pa 233.174 Ma ABS 3.437 Ma
bestAge 233.198 Ma ABS 0.379 Ma
percentDiscordance -0.09709

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 4.40356 ABS 0.0
rTh_Usample 0.67113 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 276.3763 ABS 0.0
r207_206s 0.05085 ABS 0.0
r235_207s 3.87367 ABS 0.0
r238_206s 27.14654 ABS 0.0
r238_207s 533.86329 ABS 0.0


Sample Name = SH24-084B
Legacy = false
Fraction ID = z02
Grain ID = z02
Zircon = true
Time Stamp = March 31, 2026 5:01 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 = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = 20250504_RIGL v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = RIGL_Pb_Daly_20230421
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 0.00159 ABS 0.00027
alphaU 0.00086 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.1 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.002 ABS 0.00002
r238_235b 137.8185 ABS 0.0223
r238_235s 137.8185 ABS 0.0223
r265_267m 0.9924 PCT 0.00277
r270_265m 0.05963 PCT 0.00855
r270_267m 0.05918 PCT 0.00912
rTh_Umagma 3.5 ABS 0.5
tracerMassInGrams 0.006 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00205 PCT 0.28295
r206_204m 119.29001 PCT 0.27407
r206_205m 0.24412 PCT 0.02524
r206_207m 5.89603 PCT 0.04847
r206_208m 2.00281 PCT 0.03903
r207_204m 20.23299 PCT 0.2901
r207_205m 0.0414 PCT 0.04531
r208_204m 59.56181 PCT 0.27644
r208_205m 0.12189 PCT 0.03976
r233_235m 0.99636 PCT 0.00277
r238_233m 0.05963 PCT 0.00855
r238_235m 0.05941 PCT 0.00912

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03671 ABS 0.00012
r206_238r_Th 0.03672 ABS 0.00012
r207_206r 0.05045 ABS 0.00166
r207_206r_Pa 0.05045 ABS 0.00166
r207_206r_Th 0.05044 ABS 0.00166
r207_206r_ThPa 0.05043 ABS 0.00166
r207_235r 0.25527 ABS 0.0089
r207_235r_Pa 0.25526 ABS 0.0089
r208_206r 0.22586 ABS 0.0
rhoR206_238r__r207_235r 0.66942 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.66942 ABS 0.0
rhoR206_238r_Th__r207_235r 0.66916 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.66916 ABS 0.0
rhoR207_206r__r238_206r -0.61381 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.61381 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.61356 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.61356 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 232.413 Ma ABS 0.731 Ma
age206_238r_Th 232.497 Ma ABS 0.731 Ma
age207_206r 214.926 Ma ABS 76.014 Ma
age207_206r_Pa 214.884 Ma ABS 76.016 Ma
age207_206r_Th 214.076 Ma ABS 76.031 Ma
age207_206r_ThPa 214.034 Ma ABS 76.033 Ma
age207_235r 230.847 Ma ABS 7.202 Ma
age207_235r_Pa 230.843 Ma ABS 7.202 Ma
bestAge 232.413 Ma ABS 0.731 Ma
percentDiscordance -8.13633

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 1.83496 ABS 0.0
rTh_Usample 0.71358 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 124.91955 ABS 0.0
r207_206s 0.05045 ABS 0.0
r235_207s 3.91745 ABS 0.0
r238_206s 27.23989 ABS 0.0
r238_207s 539.89655 ABS 0.0


Sample Name = SH24-084B
Legacy = false
Fraction ID = z03
Grain ID = z03
Zircon = true
Time Stamp = March 31, 2026 5:01 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 = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = 20250504_RIGL v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = RIGL_Pb_Daly_20230421
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 0.00159 ABS 0.00027
alphaU 0.00077 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.1 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.002 ABS 0.00002
r238_235b 137.8185 ABS 0.0223
r238_235s 137.8185 ABS 0.0223
r265_267m 0.99258 PCT 0.00356
r270_265m 0.01043 PCT 0.05148
r270_267m 0.01035 PCT 0.05137
rTh_Umagma 3.5 ABS 0.5
tracerMassInGrams 0.006 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00043 PCT 0.33542
r206_204m 78.76925 PCT 0.34091
r206_205m 0.03349 PCT 0.03513
r206_207m 4.82197 PCT 0.11214
r206_208m 1.64647 PCT 0.0716
r207_204m 16.33777 PCT 0.37037
r207_205m 0.00695 PCT 0.11725
r208_204m 47.84106 PCT 0.33208
r208_205m 0.02034 PCT 0.06341
r233_235m 0.99653 PCT 0.00356
r238_233m 0.01043 PCT 0.05148
r238_235m 0.01039 PCT 0.05137

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03689 ABS 0.00021
r206_238r_Th 0.0369 ABS 0.00021
r207_206r 0.05204 ABS 0.00228
r207_206r_Pa 0.05204 ABS 0.00228
r207_206r_Th 0.05202 ABS 0.00228
r207_206r_ThPa 0.05202 ABS 0.00228
r207_235r 0.26454 ABS 0.0124
r207_235r_Pa 0.26454 ABS 0.0124
r208_206r 0.25536 ABS 0.0
rhoR206_238r__r207_235r 0.56973 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.56973 ABS 0.0
rhoR206_238r_Th__r207_235r 0.56947 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.56947 ABS 0.0
rhoR207_206r__r238_206r -0.47872 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.47872 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.47848 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.47848 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 233.512 Ma ABS 1.308 Ma
age206_238r_Th 233.593 Ma ABS 1.307 Ma
age207_206r 286.015 Ma ABS 100.346 Ma
age207_206r_Pa 285.974 Ma ABS 100.349 Ma
age207_206r_Th 285.208 Ma ABS 100.368 Ma
age207_206r_ThPa 285.168 Ma ABS 100.371 Ma
age207_235r 238.323 Ma ABS 9.96 Ma
age207_235r_Pa 238.319 Ma ABS 9.96 Ma
bestAge 233.512 Ma ABS 1.308 Ma
percentDiscordance 18.35675

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 1.42155 ABS 0.0
rTh_Usample 0.80682 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 98.99909 ABS 0.0
r207_206s 0.05204 ABS 0.0
r235_207s 3.78008 ABS 0.0
r238_206s 27.10942 ABS 0.0
r238_207s 520.96458 ABS 0.0


Sample Name = SH24-084B
Legacy = false
Fraction ID = z04
Grain ID = z04
Zircon = true
Time Stamp = March 31, 2026 5:01 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 = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = 20250504_RIGL v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = RIGL_Pb_Daly_20230421
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 0.00159 ABS 0.00027
alphaU 0.00066 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.1 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.002 ABS 0.00002
r238_235b 137.8185 ABS 0.0223
r238_235s 137.8185 ABS 0.0223
r265_267m 0.99216 PCT 0.00826
r270_265m 0.04031 PCT 0.02274
r270_267m 0.03999 PCT 0.02411
rTh_Umagma 3.5 ABS 0.5
tracerMassInGrams 0.005 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00097 PCT 0.39862
r206_204m 158.84106 PCT 0.40861
r206_205m 0.15322 PCT 0.03144
r206_207m 7.31046 PCT 0.09252
r206_208m 2.44436 PCT 0.08117
r207_204m 21.72901 PCT 0.41468
r207_205m 0.02096 PCT 0.0852
r208_204m 64.98028 PCT 0.38821
r208_205m 0.06268 PCT 0.07065
r233_235m 0.99612 PCT 0.00826
r238_233m 0.04031 PCT 0.02274
r238_235m 0.04015 PCT 0.02411

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03679 ABS 0.00009
r206_238r_Th 0.0368 ABS 0.00009
r207_206r 0.05095 ABS 0.00117
r207_206r_Pa 0.05095 ABS 0.00117
r207_206r_Th 0.05093 ABS 0.00117
r207_206r_ThPa 0.05093 ABS 0.00117
r207_235r 0.25833 ABS 0.00634
r207_235r_Pa 0.25832 ABS 0.00634
r208_206r 0.21033 ABS 0.0
rhoR206_238r__r207_235r 0.65228 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.65228 ABS 0.0
rhoR206_238r_Th__r207_235r 0.65202 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.65202 ABS 0.0
rhoR207_206r__r238_206r -0.5893 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.5893 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.58905 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.58905 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 232.904 Ma ABS 0.558 Ma
age206_238r_Th 232.989 Ma ABS 0.558 Ma
age207_206r 237.495 Ma ABS 53.066 Ma
age207_206r_Pa 237.454 Ma ABS 53.068 Ma
age207_206r_Th 236.636 Ma ABS 53.078 Ma
age207_206r_ThPa 236.594 Ma ABS 53.08 Ma
age207_235r 233.318 Ma ABS 5.112 Ma
age207_235r_Pa 233.314 Ma ABS 5.112 Ma
bestAge 232.904 Ma ABS 0.558 Ma
percentDiscordance 1.9332

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 2.66888 ABS 0.0
rTh_Usample 0.66453 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 175.08667 ABS 0.0
r207_206s 0.05095 ABS 0.0
r235_207s 3.87106 ABS 0.0
r238_206s 27.18146 ABS 0.0
r238_207s 533.50307 ABS 0.0


Sample Name = SH24-084B
Legacy = false
Fraction ID = z08
Grain ID = z08
Zircon = true
Time Stamp = March 31, 2026 5:01 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 = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = 20250504_RIGL v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = RIGL_Pb_Daly_20230421
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 0.00159 ABS 0.00027
alphaU 0.00089 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.1 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.002 ABS 0.00002
r238_235b 137.8185 ABS 0.0223
r238_235s 137.8185 ABS 0.0223
r265_267m 0.9927 PCT 0.00613
r270_265m 0.02772 PCT 0.04539
r270_267m 0.02752 PCT 0.04567
rTh_Umagma 3.5 ABS 0.5
tracerMassInGrams 0.005 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00065 PCT 0.7898
r206_204m 156.2618 PCT 0.7737
r206_205m 0.101 PCT 0.06641
r206_207m 7.51592 PCT 0.15432
r206_208m 2.47304 PCT 0.12962
r207_204m 20.79335 PCT 0.78875
r207_205m 0.01344 PCT 0.14053
r208_204m 63.19282 PCT 0.78634
r208_205m 0.04084 PCT 0.1278
r233_235m 0.99666 PCT 0.00613
r238_233m 0.02772 PCT 0.04539
r238_235m 0.02763 PCT 0.04567

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03671 ABS 0.0001
r206_238r_Th 0.03673 ABS 0.0001
r207_206r 0.04881 ABS 0.00135
r207_206r_Pa 0.04881 ABS 0.00135
r207_206r_Th 0.04879 ABS 0.00135
r207_206r_ThPa 0.04879 ABS 0.00135
r207_235r 0.24697 ABS 0.00725
r207_235r_Pa 0.24697 ABS 0.00725
r208_206r 0.2097 ABS 0.0
rhoR206_238r__r207_235r 0.60741 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.60741 ABS 0.0
rhoR206_238r_Th__r207_235r 0.60712 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.60712 ABS 0.0
rhoR207_206r__r238_206r -0.54326 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.54326 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.54298 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.54298 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 232.437 Ma ABS 0.626 Ma
age206_238r_Th 232.522 Ma ABS 0.625 Ma
age207_206r 137.629 Ma ABS 65.202 Ma
age207_206r_Pa 137.585 Ma ABS 65.204 Ma
age207_206r_Th 136.752 Ma ABS 65.217 Ma
age207_206r_ThPa 136.707 Ma ABS 65.219 Ma
age207_235r 224.114 Ma ABS 5.9 Ma
age207_235r_Pa 224.11 Ma ABS 5.9 Ma
bestAge 232.437 Ma ABS 0.626 Ma
percentDiscordance -68.88652

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 2.75975 ABS 0.0
rTh_Usample 0.6625 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 180.77264 ABS 0.0
r207_206s 0.04881 ABS 0.0
r235_207s 4.04903 ABS 0.0
r238_206s 27.23708 ABS 0.0
r238_207s 558.03147 ABS 0.0


Sample Name = SH24-084B
Legacy = false
Fraction ID = z09
Grain ID = z09
Zircon = true
Time Stamp = March 31, 2026 5:01 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 = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = 20250504_RIGL v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = RIGL_Pb_Daly_20230421
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 0.00159 ABS 0.00027
alphaU 0.00075 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.1 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.002 ABS 0.00002
r238_235b 137.8185 ABS 0.0223
r238_235s 137.8185 ABS 0.0223
r265_267m 0.99245 PCT 0.00507
r270_265m 0.02456 PCT 0.03283
r270_267m 0.02437 PCT 0.03402
rTh_Umagma 3.5 ABS 0.5
tracerMassInGrams 0.0065 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00066 PCT 0.43096
r206_204m 134.73281 PCT 0.43165
r206_205m 0.08916 PCT 0.04125
r206_207m 6.72953 PCT 0.08934
r206_208m 1.68158 PCT 0.05444
r207_204m 20.02162 PCT 0.4185
r207_205m 0.01325 PCT 0.0938
r208_204m 80.00175 PCT 0.44661
r208_205m 0.05302 PCT 0.05925
r233_235m 0.99641 PCT 0.00507
r238_233m 0.02456 PCT 0.03283
r238_235m 0.02447 PCT 0.03402

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.0365 ABS 0.0001
r206_238r_Th 0.03651 ABS 0.0001
r207_206r 0.05108 ABS 0.00135
r207_206r_Pa 0.05108 ABS 0.00135
r207_206r_Th 0.05106 ABS 0.00134
r207_206r_ThPa 0.05106 ABS 0.00134
r207_235r 0.25695 ABS 0.00721
r207_235r_Pa 0.25694 ABS 0.00721
r208_206r 0.39161 ABS 0.0
rhoR206_238r__r207_235r 0.6414 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.6414 ABS 0.0
rhoR206_238r_Th__r207_235r 0.64112 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.64112 ABS 0.0
rhoR207_206r__r238_206r -0.57548 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.57548 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.5752 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.5752 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 231.099 Ma ABS 0.647 Ma
age206_238r_Th 231.167 Ma ABS 0.647 Ma
age207_206r 243.408 Ma ABS 60.68 Ma
age207_206r_Pa 243.367 Ma ABS 60.682 Ma
age207_206r_Th 242.718 Ma ABS 60.692 Ma
age207_206r_ThPa 242.676 Ma ABS 60.694 Ma
age207_235r 232.204 Ma ABS 5.827 Ma
age207_235r_Pa 232.2 Ma ABS 5.827 Ma
bestAge 231.099 Ma ABS 0.647 Ma
percentDiscordance 5.05711

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 2.67566 ABS 0.0
rTh_Usample 1.23722 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 155.62399 ABS 0.0
r207_206s 0.05108 ABS 0.0
r235_207s 3.89184 ABS 0.0
r238_206s 27.3976 ABS 0.0
r238_207s 536.36783 ABS 0.0


Sample Name = SH24-084B
Legacy = false
Fraction ID = z14
Grain ID = z14
Zircon = true
Time Stamp = March 31, 2026 5:01 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 = false
Chemically Purified UPb = false
Analysis Fraction Comment = NONE
Pb Blank ID = 20250504_RIGL v.1.0
TracerID = ET535 v.3.0
Fractionation Corrected Pb = false
Alpha Pb Model ID = RIGL_Pb_Daly_20230421
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 0.00159 ABS 0.00027
alphaU 0.00079 ABS 0.0
ar231_235sample 1.1 ABS 0.1
fractionMass 0.1 ABS 0.0
pbBlankMassInGrams 0.0 ABS 0.0
r18O_16O 0.002 ABS 0.00002
r18O_16O_revised 0.002 ABS 0.00002
r238_235b 137.8185 ABS 0.0223
r238_235s 137.8185 ABS 0.0223
r265_267m 0.99241 PCT 0.00377
r270_265m 0.04067 PCT 0.02683
r270_267m 0.04036 PCT 0.0264
rTh_Umagma 3.5 ABS 0.5
tracerMassInGrams 0.008 ABS 0.0001
uBlankMassInGrams 0.0 ABS 0.0

Measured Ratios
Name Value Uncertainty Type One Sigma
r204_205m 0.00126 PCT 0.41438
r206_204m 127.58318 PCT 0.4019
r206_205m 0.15997 PCT 0.04394
r206_207m 6.27342 PCT 0.12917
r206_208m 2.42945 PCT 0.07581
r207_204m 20.33642 PCT 0.36671
r207_205m 0.0255 PCT 0.14965
r208_204m 52.51361 PCT 0.38268
r208_205m 0.06585 PCT 0.0995
r233_235m 0.99637 PCT 0.00377
r238_233m 0.04067 PCT 0.02683
r238_235m 0.04052 PCT 0.0264

Radiogenic Isotope Ratios
Name Value Uncertainty Type One Sigma
r206_238r 0.03676 ABS 0.00011
r206_238r_Th 0.03677 ABS 0.00011
r207_206r 0.0505 ABS 0.00151
r207_206r_Pa 0.0505 ABS 0.00151
r207_206r_Th 0.05048 ABS 0.00151
r207_206r_ThPa 0.05048 ABS 0.00151
r207_235r 0.25582 ABS 0.00815
r207_235r_Pa 0.25582 ABS 0.00815
r208_206r 0.15118 ABS 0.0
rhoR206_238r__r207_235r 0.67134 ABS 0.0
rhoR206_238r__r207_235r_Pa 0.67134 ABS 0.0
rhoR206_238r_Th__r207_235r 0.67109 ABS 0.0
rhoR206_238r_Th__r207_235r_Pa 0.67109 ABS 0.0
rhoR207_206r__r238_206r -0.61529 ABS 0.0
rhoR207_206r_Pa__r238_206r -0.61529 ABS 0.0
rhoR207_206r_Th__r238_206r_Th -0.61506 ABS 0.0
rhoR207_206r_ThPa__r238_206r_Th -0.61506 ABS 0.0

Radiogenic Isotope Dates
Name Value Uncertainty Type One Sigma
age206_238r 232.69 Ma ABS 0.676 Ma
age206_238r_Th 232.781 Ma ABS 0.676 Ma
age207_206r 217.125 Ma ABS 69.301 Ma
age207_206r_Pa 217.083 Ma ABS 69.303 Ma
age207_206r_Th 216.205 Ma ABS 69.318 Ma
age207_206r_ThPa 216.163 Ma ABS 69.32 Ma
age207_235r 231.293 Ma ABS 6.586 Ma
age207_235r_Pa 231.29 Ma ABS 6.586 Ma
bestAge 232.69 Ma ABS 0.676 Ma
percentDiscordance -7.16867

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 1.9296 ABS 0.0
rTh_Usample 0.47762 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 137.40284 ABS 0.0
r207_206s 0.0505 ABS 0.0
r235_207s 3.90899 ABS 0.0
r238_206s 27.20691 ABS 0.0
r238_207s 538.73107 ABS 0.0




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