This sample belongs to: Chance Ronemus
Aliquot Name: MT-TF-01
IGSN:
Stratigraphic Formation Name: Chinches Formation
Stratigraphic Age: Miocene
Rock Type: Tuff
Mineral: Zircon
Latitude: -31.91867972659
Longitude: -69.782296121253
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. |
| MF01 Spot 71 |
1090 |
9473 |
1.4 |
20.689 |
1.8 |
0.0869 |
13.6 |
0.013 |
13.1 |
0.96 |
83.6 |
10.8 |
84.6 |
11.0 |
114.6 |
86.1 |
83.6 |
10.8 |
-27.1 |
| MF01 Spot 73 |
170 |
743 |
2.6 |
15.6375 |
19.5 |
0.0215 |
40.4 |
0.0024 |
10.3 |
0.26 |
15.7 |
1.6 |
21.6 |
8.6 |
739.0 |
834.3 |
15.7 |
1.6 |
-97.9 |
| MF01 Spot 74 |
273 |
12350 |
0.8 |
17.988 |
2.3 |
0.2896 |
7.8 |
0.0378 |
6.2 |
0.80 |
239.2 |
14.6 |
258.3 |
17.8 |
435.1 |
104.3 |
239.2 |
14.6 |
-45.0 |
| MF01 Spot 75 |
527 |
140 |
1.3 |
47.9268 |
292.4 |
0.0063 |
584.9 |
0.0022 |
5.7 |
0.01 |
14.0 |
0.8 |
6.3 |
36.9 |
-2455.6 |
|
14.0 |
0.8 |
-100.6 |
| MF01 Spot 76 |
578 |
4691 |
1.1 |
22.3805 |
4.7 |
0.0157 |
10.6 |
0.0026 |
4.9 |
0.46 |
16.4 |
0.8 |
15.8 |
1.7 |
-74.0 |
230.2 |
16.4 |
0.8 |
-122.2 |
| MF01 Spot 77 |
550 |
16616 |
1.1 |
20.3595 |
4.4 |
0.0167 |
11.0 |
0.0025 |
6.4 |
0.59 |
15.9 |
1.0 |
16.8 |
1.8 |
152.4 |
208.2 |
15.9 |
1.0 |
-89.6 |
| MF01 Spot 78 |
477 |
140 |
1.0 |
317.0212 |
1881.7 |
0.001 |
3763.4 |
0.0023 |
4.8 |
0.00 |
14.9 |
0.7 |
1.0 |
38.5 |
0.0 |
|
14.9 |
0.7 |
|
| MF01 Spot 80 |
509 |
4135 |
0.8 |
21.5861 |
4.5 |
0.0171 |
10.1 |
0.0027 |
4.7 |
0.46 |
17.3 |
0.8 |
17.3 |
1.7 |
13.6 |
216.1 |
17.3 |
0.8 |
27.3 |
| MF01 Spot 81 |
360 |
60633 |
1.4 |
5.324 |
0.5 |
8.9455 |
9.9 |
0.3456 |
9.8 |
0.99 |
1913.4 |
163.0 |
2332.5 |
90.5 |
2722.5 |
17.9 |
2722.5 |
17.9 |
-29.7 |
| MF01 Spot 82 |
1640 |
26058 |
1.6 |
21.8502 |
3.0 |
0.0154 |
6.9 |
0.0024 |
3.4 |
0.49 |
15.7 |
0.5 |
15.5 |
1.1 |
-15.7 |
145.3 |
15.7 |
0.5 |
-200.2 |
| MF01 Spot 83 |
398 |
10117 |
1.4 |
20.5295 |
1.7 |
0.2663 |
5.7 |
0.0397 |
4.7 |
0.82 |
250.8 |
11.5 |
239.8 |
12.2 |
132.9 |
77.7 |
250.8 |
11.5 |
88.7 |
| MF01 Spot 84 |
393 |
1243 |
2.0 |
28.8153 |
17.9 |
0.0126 |
36.8 |
0.0026 |
8.3 |
0.23 |
16.9 |
1.4 |
12.7 |
4.6 |
-733.5 |
1009.4 |
16.9 |
1.4 |
-102.3 |
| MF01 Spot 85 |
439 |
2034 |
1.4 |
23.3461 |
5.8 |
0.0148 |
13.2 |
0.0025 |
6.4 |
0.48 |
16.2 |
1.0 |
15.0 |
2.0 |
-178.3 |
287.4 |
16.2 |
1.0 |
-109.1 |
| MF01 Spot 86 |
315 |
7777 |
2.4 |
12.8406 |
9.7 |
0.0273 |
20.4 |
0.0025 |
6.4 |
0.31 |
16.4 |
1.0 |
27.3 |
5.5 |
1142.9 |
385.9 |
16.4 |
1.0 |
-98.6 |
| MF01 Spot 87 |
1419 |
118915 |
1.6 |
20.6215 |
3.0 |
0.0159 |
6.9 |
0.0024 |
3.6 |
0.52 |
15.3 |
0.6 |
16.0 |
1.1 |
122.4 |
139.1 |
15.3 |
0.6 |
-87.5 |
| MF01 Spot 89 |
132 |
54862 |
1.4 |
10.6438 |
0.7 |
3.4426 |
8.7 |
0.2659 |
8.6 |
0.99 |
1519.8 |
115.9 |
1514.2 |
68.3 |
1506.3 |
27.1 |
1506.3 |
27.1 |
0.9 |
| MF01 Spot 90 |
128 |
193891 |
1.2 |
19.2234 |
2.7 |
0.2927 |
10.0 |
0.0408 |
8.4 |
0.84 |
258.0 |
21.3 |
260.7 |
23.1 |
285.3 |
125.3 |
258.0 |
21.3 |
-9.6 |
| MF01 Spot 91 |
618 |
4735 |
0.6 |
20.8094 |
4.3 |
0.0158 |
11.3 |
0.0024 |
7.3 |
0.64 |
15.4 |
1.1 |
15.9 |
1.8 |
101.0 |
205.4 |
15.4 |
1.1 |
-84.8 |
| MF01 Spot 92 |
298 |
37778 |
2.8 |
10.4299 |
0.7 |
2.6365 |
5.9 |
0.1995 |
5.7 |
0.97 |
1172.8 |
61.5 |
1310.9 |
43.6 |
1544.6 |
27.3 |
1544.6 |
27.3 |
-24.1 |
| MF01 Spot 93 |
164 |
140 |
0.9 |
8.096 |
50.1 |
0.7725 |
100.8 |
0.0454 |
10.2 |
0.10 |
286.1 |
28.7 |
581.2 |
453.6 |
2006.9 |
|
286.1 |
28.7 |
-85.7 |
| MF01 Spot 94 |
510 |
817 |
1.4 |
11.656 |
8.3 |
0.0314 |
17.5 |
0.0027 |
5.4 |
0.31 |
17.1 |
0.9 |
31.3 |
5.4 |
1332.7 |
321.9 |
17.1 |
0.9 |
-98.7 |
| MF01 Spot 95 |
404 |
1927 |
1.0 |
19.4094 |
8.5 |
0.0178 |
18.0 |
0.0025 |
6.0 |
0.33 |
16.1 |
1.0 |
17.9 |
3.2 |
263.2 |
390.5 |
16.1 |
1.0 |
-93.9 |
| MF01 Spot 96 |
264 |
595 |
0.9 |
34.5399 |
11.2 |
0.0097 |
23.7 |
0.0024 |
7.9 |
0.33 |
15.6 |
1.2 |
9.8 |
2.3 |
-1270.9 |
|
15.6 |
1.2 |
-101.2 |
| MF01 Spot 97 |
922 |
2108 |
1.5 |
18.8609 |
6.0 |
0.0179 |
12.5 |
0.0024 |
3.3 |
0.27 |
15.8 |
0.5 |
18.0 |
2.2 |
328.7 |
274.0 |
15.8 |
0.5 |
-95.2 |
| MF01 Spot 98 |
466 |
984 |
1.9 |
34.5414 |
6.1 |
0.0101 |
13.8 |
0.0025 |
6.3 |
0.46 |
16.3 |
1.0 |
10.2 |
1.4 |
-1271.0 |
|
16.3 |
1.0 |
-101.3 |
| MF01 Spot 99 |
720 |
1526 |
0.7 |
26.7213 |
4.2 |
0.0124 |
9.5 |
0.0024 |
4.7 |
0.49 |
15.4 |
0.7 |
12.5 |
1.2 |
-527.1 |
222.6 |
15.4 |
0.7 |
-102.9 |
| MF01 Spot 100 |
429 |
694 |
0.8 |
17.2978 |
10.0 |
0.0195 |
20.6 |
0.0024 |
5.0 |
0.24 |
15.7 |
0.8 |
19.6 |
4.0 |
521.6 |
438.6 |
15.7 |
0.8 |
-97.0 |
| MF01 Spot 101 |
544 |
1335 |
1.8 |
26.4699 |
4.7 |
0.0128 |
11.2 |
0.0025 |
5.9 |
0.53 |
15.8 |
0.9 |
12.9 |
1.4 |
-501.9 |
252.4 |
15.8 |
0.9 |
-103.2 |
| MF01 Spot 102 |
151 |
6864 |
1.1 |
18.979 |
3.2 |
0.4166 |
10.7 |
0.0574 |
8.6 |
0.80 |
359.6 |
30.0 |
353.6 |
31.9 |
314.5 |
144.5 |
359.6 |
30.0 |
14.3 |
filename:27097.xml
