This sample belongs to: Amy Moser
Aliquot Name: PFS2
IGSN: IEAM20007
Stratigraphic Formation Name:
Stratigraphic Age:
Rock Type: gneiss
Mineral: zircon
Latitude: 33.630372
Longitude: -115.990269
Internal Uncertainty Level:
External Uncertainty 206/238 (% two sigma):
External Uncertainty 206/207 (% two sigma):
Analysis Purpose: zircon crystallization age
Laboratory Name: University of Utah ICP-MS Metals and Strontium Isotope Facility
Analyst Name: Amy Moser, Michael Stearns
Aliquot Reference: 91500 and Plešovice
Aliquot Instrumental Method: LA-ICP-MS
Aliquot Instrumental Reference:
Aliquot Instrumental Reference: IEAM20007
| 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. |
| 1 |
|
|
|
19.8216 |
3.5 |
0.2467 |
4.7 |
0.034 |
1.6 |
0.41 |
215.0 |
4.0 |
224.0 |
11.0 |
216.0 |
8.0 |
215.0 |
4.0 |
96.1 |
| 2 |
|
|
|
9.9305 |
3.1 |
3.065 |
4.4 |
0.2184 |
1.4 |
0.70 |
1273.0 |
25.0 |
1424.0 |
62.0 |
1637.0 |
51.0 |
1637.0 |
51.0 |
89.4 |
| 3 |
|
|
|
8.8464 |
3.0 |
3.925 |
4.4 |
0.2505 |
1.4 |
0.72 |
1441.0 |
29.0 |
1619.0 |
71.0 |
1849.0 |
56.0 |
1849.0 |
56.0 |
89.0 |
| 4 |
|
|
|
9.0662 |
3.0 |
4.48 |
4.4 |
0.2913 |
1.4 |
0.91 |
1648.0 |
33.0 |
1727.0 |
75.0 |
1804.0 |
55.0 |
1804.0 |
55.0 |
95.4 |
| 5 |
|
|
|
10.3875 |
3.0 |
3.073 |
4.4 |
0.2164 |
1.5 |
0.75 |
1263.0 |
25.0 |
1426.0 |
62.0 |
1553.0 |
47.0 |
1553.0 |
47.0 |
88.6 |
| 6 |
|
|
|
13.2979 |
3.1 |
1.891 |
4.5 |
0.1783 |
1.6 |
0.59 |
1058.0 |
21.0 |
1078.0 |
48.0 |
1074.0 |
34.0 |
1074.0 |
34.0 |
98.1 |
| 7 |
|
|
|
18.0571 |
3.2 |
0.422 |
4.6 |
0.0513 |
1.7 |
0.58 |
322.0 |
6.0 |
357.0 |
16.0 |
428.0 |
14.0 |
322.0 |
6.0 |
90.2 |
| 8 |
|
|
|
9.1408 |
3.0 |
4.15 |
4.4 |
0.2542 |
1.5 |
0.76 |
1460.0 |
29.0 |
1664.0 |
73.0 |
1789.0 |
54.0 |
1789.0 |
54.0 |
87.7 |
| 9 |
|
|
|
20.3666 |
3.7 |
0.2417 |
4.8 |
0.035 |
1.5 |
0.24 |
222.0 |
4.0 |
220.0 |
11.0 |
153.0 |
6.0 |
222.0 |
4.0 |
100.9 |
| 10 |
|
|
|
20.7168 |
3.4 |
0.2451 |
4.6 |
0.0347 |
1.5 |
0.08 |
220.0 |
4.0 |
223.0 |
10.0 |
113.0 |
4.0 |
220.0 |
4.0 |
98.9 |
| 11 |
|
|
|
9.4922 |
3.1 |
4.217 |
4.6 |
0.271 |
1.6 |
0.83 |
1546.0 |
31.0 |
1677.0 |
77.0 |
1720.0 |
53.0 |
1720.0 |
53.0 |
92.2 |
| 12 |
|
|
|
8.8684 |
3.1 |
4.516 |
4.4 |
0.2941 |
1.4 |
0.88 |
1662.0 |
33.0 |
1734.0 |
76.0 |
1844.0 |
46.0 |
1844.0 |
46.0 |
95.9 |
| 13 |
|
|
|
9.243 |
3.0 |
4.203 |
4.4 |
0.2724 |
1.6 |
0.64 |
1553.0 |
31.0 |
1675.0 |
73.0 |
1769.0 |
53.0 |
1769.0 |
53.0 |
92.7 |
| 14 |
|
|
|
8.6896 |
3.1 |
4.573 |
4.4 |
0.3002 |
1.4 |
0.33 |
1692.0 |
34.0 |
1744.0 |
77.0 |
1881.0 |
58.0 |
1881.0 |
58.0 |
97.0 |
| 15 |
|
|
|
21.1416 |
4.8 |
0.0798 |
5.8 |
0.0118 |
1.8 |
0.14 |
76.0 |
2.0 |
78.0 |
5.0 |
64.0 |
3.0 |
76.0 |
2.0 |
97.3 |
| 16 |
|
|
|
9.2268 |
3.1 |
4.694 |
4.5 |
0.3151 |
1.6 |
0.75 |
1766.0 |
35.0 |
1766.0 |
79.0 |
1772.0 |
54.0 |
1772.0 |
54.0 |
100.0 |
| 17 |
|
|
|
9.2387 |
3.1 |
3.701 |
4.6 |
0.2454 |
1.4 |
0.72 |
1415.0 |
28.0 |
1572.0 |
73.0 |
1770.0 |
55.0 |
1770.0 |
55.0 |
90.0 |
| 18 |
|
|
|
21.0526 |
13.4 |
0.0715 |
13.6 |
0.0115 |
2.4 |
0.04 |
74.0 |
2.0 |
70.0 |
10.0 |
74.0 |
10.0 |
74.0 |
2.0 |
105.3 |
| 19 |
|
|
|
19.8689 |
3.5 |
0.2485 |
4.8 |
0.0356 |
1.6 |
0.50 |
226.0 |
5.0 |
225.0 |
11.0 |
210.0 |
7.0 |
226.0 |
5.0 |
100.2 |
| 20 |
|
|
|
21.0084 |
7.4 |
0.236 |
9.1 |
0.0345 |
3.1 |
0.19 |
219.0 |
7.0 |
215.0 |
20.0 |
79.0 |
6.0 |
219.0 |
7.0 |
101.6 |
| 21 |
|
|
|
9.4029 |
3.0 |
3.988 |
4.5 |
0.2692 |
1.8 |
0.90 |
1537.0 |
31.0 |
1632.0 |
73.0 |
1738.0 |
52.0 |
1738.0 |
52.0 |
94.2 |
| 22 |
|
|
|
9.2885 |
3.0 |
4.051 |
4.4 |
0.2728 |
1.7 |
0.64 |
1555.0 |
31.0 |
1645.0 |
72.0 |
1760.0 |
53.0 |
1760.0 |
53.0 |
94.6 |
| 23 |
|
|
|
9.15 |
3.0 |
4.554 |
4.5 |
0.3008 |
1.7 |
0.74 |
1695.0 |
34.0 |
1741.0 |
78.0 |
1788.0 |
54.0 |
1788.0 |
54.0 |
97.4 |
| 24 |
|
|
|
21.692 |
4.3 |
0.0773 |
5.5 |
0.0123 |
2.1 |
0.40 |
79.0 |
2.0 |
76.0 |
4.0 |
3.0 |
0.0 |
79.0 |
2.0 |
104.0 |
| 25 |
|
|
|
19.6078 |
3.5 |
0.1764 |
4.7 |
0.0237 |
1.9 |
0.49 |
151.0 |
3.0 |
165.0 |
8.0 |
241.0 |
9.0 |
151.0 |
3.0 |
91.3 |
| 26 |
|
|
|
20.3998 |
3.2 |
0.1635 |
4.4 |
0.0234 |
1.4 |
0.25 |
149.0 |
3.0 |
154.0 |
7.0 |
149.0 |
5.0 |
149.0 |
3.0 |
97.1 |
| 27 |
|
|
|
20.3252 |
4.1 |
0.1908 |
5.4 |
0.028 |
2.3 |
0.44 |
178.0 |
4.0 |
177.0 |
10.0 |
157.0 |
7.0 |
178.0 |
4.0 |
100.3 |
| 28 |
|
|
|
6.2858 |
3.0 |
9.13 |
4.5 |
0.3962 |
1.7 |
0.75 |
2152.0 |
43.0 |
2351.0 |
105.0 |
2446.0 |
74.0 |
2446.0 |
74.0 |
91.5 |
| 29 |
|
|
|
8.2542 |
3.1 |
4.967 |
4.6 |
0.2825 |
2.1 |
0.87 |
1604.0 |
33.0 |
1814.0 |
83.0 |
1973.0 |
61.0 |
1973.0 |
61.0 |
88.4 |
| 30 |
|
|
|
9.0188 |
3.0 |
4.142 |
4.4 |
0.2665 |
1.5 |
0.76 |
1523.0 |
30.0 |
1663.0 |
73.0 |
1814.0 |
55.0 |
1814.0 |
55.0 |
91.6 |
| 31 |
|
|
|
8.6783 |
3.0 |
3.975 |
4.4 |
0.2497 |
1.4 |
0.81 |
1437.0 |
29.0 |
1629.0 |
71.0 |
1883.0 |
57.0 |
1883.0 |
57.0 |
88.2 |
| 32 |
|
|
|
8.4933 |
3.0 |
3.788 |
4.4 |
0.2376 |
1.4 |
0.44 |
1374.0 |
27.0 |
1590.0 |
70.0 |
1922.0 |
58.0 |
1922.0 |
58.0 |
86.4 |
| 33 |
|
|
|
19.305 |
4.4 |
0.1543 |
5.5 |
0.0227 |
1.6 |
0.23 |
145.0 |
3.0 |
146.0 |
8.0 |
277.0 |
12.0 |
145.0 |
3.0 |
99.3 |
| 34 |
|
|
|
19.1939 |
3.7 |
0.081 |
4.7 |
0.0112 |
1.4 |
0.16 |
72.0 |
2.0 |
79.0 |
4.0 |
290.0 |
11.0 |
72.0 |
2.0 |
91.0 |
| 35 |
|
|
|
18.8324 |
3.8 |
0.1625 |
4.9 |
0.0225 |
1.4 |
0.10 |
143.0 |
3.0 |
153.0 |
7.0 |
333.0 |
13.0 |
143.0 |
3.0 |
93.9 |
| 36 |
|
|
|
20.3666 |
3.6 |
0.16 |
4.7 |
0.0237 |
1.5 |
0.02 |
151.0 |
3.0 |
151.0 |
7.0 |
153.0 |
6.0 |
151.0 |
3.0 |
100.2 |
| 37 |
|
|
|
7.8864 |
3.0 |
4.842 |
4.3 |
0.2693 |
1.5 |
0.84 |
1537.0 |
31.0 |
1792.0 |
78.0 |
2054.0 |
62.0 |
2054.0 |
62.0 |
85.8 |
filename:22848.xml
