This sample belongs to: Chance Ronemus
Aliquot Name: 2MT528
IGSN:
Stratigraphic Formation Name: Chinches Formation
Stratigraphic Age: Miocene
Rock Type: Tuff
Mineral: Zircon
Latitude: -31.903971741006
Longitude: -69.719184301859
Internal Uncertainty Level: one sigma
External Uncertainty 206/238 (% two sigma): 0.98289017792598
External Uncertainty 206/207 (% two sigma): 0.86230237030339
Analysis Purpose: igneous zircon geochronology
Laboratory Name: Arizona LaserChron Center
Analyst Name: Chance Ronemus
Aliquot Reference: this study
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: Gehrels, G. and Pecha, M., 2014, Detrital zircon U-Pb geochronology and Hf isotope geochemistry of Paleozoic and Triassic passive margin strata of western North America: Geosphere, v. 10 (1), p. 49-65.
| 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. |
| 2M528 Spot 71 |
315 |
11209 |
0.7 |
14.5272 |
1.3 |
0.7266 |
6.6 |
0.0766 |
6.0 |
0.92 |
475.7 |
27.7 |
554.6 |
28.0 |
893.0 |
53.4 |
475.7 |
27.7 |
-46.7 |
| 2M528 Spot 72 |
88 |
4326 |
0.7 |
12.2366 |
2.1 |
1.7448 |
10.9 |
0.1549 |
10.0 |
0.92 |
928.5 |
86.8 |
1025.2 |
70.5 |
1238.0 |
84.3 |
1238.0 |
84.3 |
-25.0 |
| 2M528 Spot 73 |
114 |
9974 |
0.4 |
10.6693 |
1.4 |
2.2984 |
21.5 |
0.1779 |
21.3 |
0.99 |
1055.7 |
207.5 |
1211.8 |
152.3 |
1501.8 |
52.2 |
1501.8 |
52.2 |
-29.7 |
| 2M528 Spot 75 |
426 |
12660 |
1.5 |
9.061 |
0.9 |
3.0551 |
9.7 |
0.2009 |
9.5 |
0.98 |
1179.9 |
102.4 |
1421.5 |
74.1 |
1804.6 |
34.4 |
1804.6 |
34.4 |
-34.6 |
| 2M528 Spot 76 |
61 |
8263 |
1.1 |
15.9122 |
3.0 |
0.8723 |
12.1 |
0.1007 |
10.5 |
0.86 |
618.6 |
61.7 |
636.8 |
57.3 |
702.1 |
129.7 |
618.6 |
61.7 |
-11.9 |
| 2M528 Spot 77 |
82 |
36558 |
1.4 |
5.2722 |
0.6 |
13.8168 |
11.2 |
0.5286 |
11.1 |
0.99 |
2735.4 |
247.5 |
2737.2 |
105.8 |
2738.6 |
19.0 |
2738.6 |
19.0 |
-0.1 |
| 2M528 Spot 79 |
151 |
32984 |
2.2 |
11.2432 |
1.0 |
2.993 |
8.2 |
0.2442 |
8.0 |
0.97 |
1408.3 |
101.2 |
1405.9 |
62.6 |
1402.1 |
36.5 |
1402.1 |
36.5 |
0.4 |
| 2M528 Spot 82 |
49 |
10082 |
1.1 |
11.1671 |
1.6 |
2.9725 |
14.4 |
0.2409 |
14.1 |
0.97 |
1391.1 |
175.9 |
1400.6 |
109.7 |
1415.1 |
62.0 |
1415.1 |
62.0 |
-1.7 |
| 2M528 Spot 83 |
1295 |
5233 |
1.8 |
12.0946 |
1.3 |
0.6411 |
15.5 |
0.0563 |
15.3 |
0.99 |
352.8 |
52.6 |
503.0 |
61.6 |
1260.9 |
51.3 |
352.8 |
52.6 |
-72.0 |
| 2M528 Spot 84 |
272 |
31599 |
3.0 |
12.6095 |
3.0 |
1.2628 |
6.6 |
0.1155 |
2.9 |
0.44 |
704.8 |
19.2 |
829.2 |
37.4 |
1178.9 |
117.4 |
1178.9 |
117.4 |
-40.2 |
| 2M528 Spot 85 |
173 |
1201 |
0.9 |
15.4749 |
12.1 |
0.0255 |
26.0 |
0.0029 |
9.7 |
0.37 |
18.5 |
1.8 |
25.6 |
6.6 |
761.1 |
510.2 |
18.5 |
1.8 |
-97.6 |
| 2M528 Spot 86 |
170 |
5942 |
1.4 |
20.7824 |
2.1 |
0.2698 |
10.4 |
0.0407 |
9.5 |
0.91 |
257.1 |
23.9 |
242.5 |
22.3 |
104.0 |
98.9 |
257.1 |
23.9 |
147.2 |
| 2M528 Spot 87 |
573 |
6674 |
1.8 |
16.5467 |
2.9 |
0.3086 |
8.7 |
0.037 |
6.5 |
0.75 |
234.5 |
15.0 |
273.1 |
20.9 |
618.2 |
125.0 |
234.5 |
15.0 |
-62.1 |
| 2M528 Spot 88 |
99 |
19009 |
1.6 |
10.9297 |
0.9 |
3.045 |
8.8 |
0.2415 |
8.6 |
0.98 |
1394.4 |
108.3 |
1419.0 |
67.4 |
1456.1 |
33.4 |
1456.1 |
33.4 |
-4.2 |
| 2M528 Spot 90 |
161 |
140 |
0.5 |
9.1351 |
29.4 |
0.0502 |
60.7 |
0.0033 |
15.0 |
0.25 |
21.4 |
3.2 |
49.7 |
29.5 |
1789.8 |
1097.4 |
21.4 |
3.2 |
-98.8 |
| 2M528 Spot 91 |
184 |
30208 |
1.4 |
10.8813 |
1.1 |
2.683 |
10.1 |
0.2118 |
9.9 |
0.98 |
1238.5 |
111.2 |
1323.8 |
74.8 |
1464.5 |
42.2 |
1464.5 |
42.2 |
-15.4 |
| 2M528 Spot 92 |
274 |
25378 |
1.7 |
12.056 |
1.7 |
2.3426 |
5.3 |
0.2049 |
4.1 |
0.77 |
1201.7 |
44.9 |
1225.3 |
38.1 |
1267.1 |
67.1 |
1267.1 |
67.1 |
-5.2 |
| 2M528 Spot 94 |
74 |
43200 |
1.6 |
10.1928 |
1.2 |
3.5216 |
14.9 |
0.2604 |
14.7 |
0.99 |
1492.1 |
196.2 |
1532.1 |
118.3 |
1587.6 |
46.4 |
1587.6 |
46.4 |
-6.0 |
| 2M528 Spot 95 |
190 |
35478 |
2.8 |
15.8225 |
1.4 |
0.7569 |
7.6 |
0.0869 |
7.1 |
0.93 |
537.2 |
36.5 |
572.2 |
33.4 |
714.1 |
61.0 |
537.2 |
36.5 |
-24.8 |
| 2M528 Spot 97 |
114 |
3869 |
1.8 |
17.931 |
1.5 |
0.7061 |
8.0 |
0.0919 |
7.5 |
0.93 |
566.6 |
40.5 |
542.4 |
33.8 |
442.2 |
66.5 |
566.6 |
40.5 |
28.1 |
| 2M528 Spot 101 |
157 |
915 |
1.2 |
29.2128 |
7.2 |
0.0132 |
16.9 |
0.0028 |
8.8 |
0.52 |
18.0 |
1.6 |
13.3 |
2.2 |
-772.0 |
407.9 |
18.0 |
1.6 |
-102.3 |
filename:27092.xml
