This sample belongs to: Dylan Vasey

Sample Details
Aliquot Name: KZ4 (CT15127)
IGSN:
Stratigraphic Formation Name:
Stratigraphic Age: Early Cretaceous
Rock Type: Marlstone
Mineral: Zircon
Latitude: 42.21713
Longitude: 44.67327
Internal Uncertainty Level: 2 sigma
External Uncertainty 206/238 (% two sigma): 0.52111301398129
External Uncertainty 206/207 (% two sigma): 0.31760235107999
Analysis Purpose: DetritalSpectrum
Laboratory Name: Arizona LaserChron Center
Analyst Name: Dylan Vasey
Aliquot Reference: Vasey, D.A., Garcia, L., Cowgill, E., Trexler, C.C., Godoladze, T., 2023, Episodic evolution of a protracted convergent margin revealed by detrital zircon geochronology in the Greater Caucasus, Basin Research.
Aliquot Instrumental Method: LA-ICPMS
Aliquot Instrumental Reference: Gehrels, G.E., Valencia, V., Ruiz, J., 2008, Enhanced precision, accuracy, efficiency, and spatial resolution of U-Pb ages by laser ablation-multicollector-inductively coupled plasma-mass spectrometry: Geochemistry, Geophysics, Geosystems, v. 9, Q03017, doi:10.1029/2007GC001805.
Aliquot Instrumental Reference: Sundell, K.E., Gehrels, G.E. and Pecha, M.E., 2021. Rapid U-Pb Geochronology by Laser Ablation Multi-Collector ICP-MS. Geostandards and Geoanalytical Research, 45(1), pp.37-57.


Spot(s)
Analysis Name U 206Pb/204Pb U/Th 206Pb/207Pb ± (%) 207Pb/235U ± (%) 206Pb/238U ± (%) error corr. 206Pb/238U Age ± (Ma) 207Pb/235U Age ± (Ma) 206Pb/207Pb Age ± (Ma) Best age ± (Ma) Conc.
CT15127 spot 1 54 12939 1.0 14.7976 3.1 1.1752 4.3 0.1287 1.5 0.34 780.5 10.8 789.1 23.7 814.3 84.7 780.5 10.8 95.8
CT15127 spot 2 191 18292 1.4 18.0373 2.3 0.4645 3.7 0.0619 1.5 0.42 387.1 5.8 387.4 11.9 390.2 75.5 387.1 5.8 99.2
CT15127 spot 3 422 20910 2.2 18.5725 2.0 0.3507 2.7 0.048 1.5 0.57 302.5 4.6 305.3 7.1 327.4 50.1 302.5 4.6 92.4
CT15127 spot 4 286 20277 2.7 18.6119 2.4 0.3721 3.6 0.0511 1.7 0.47 321.3 5.3 321.2 9.8 321.6 71.4 321.3 5.3 99.9
CT15127 spot 5 233 16656 1.6 18.1715 2.7 0.3586 3.3 0.0482 1.7 0.50 303.5 4.9 311.2 8.9 370.0 65.3 303.5 4.9 82.0
filename:27047.xml
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