This sample belongs to: Dylan Vasey
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.
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