This sample belongs to: Amy Moser
Aliquot Name: PCF-15
IGSN: IEAM20001
Stratigraphic Formation Name:
Stratigraphic Age:
Rock Type: gneiss
Mineral: zircon
Latitude: 33.615203
Longitude: -116.001719
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: IEAM20001
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 |
|
|
|
9.7704 |
1.6 |
3.443 |
10.1 |
0.241 |
2.5 |
0.94 |
1392.0 |
34.0 |
1514.0 |
152.0 |
1667.0 |
27.0 |
1667.0 |
27.0 |
91.9 |
2 |
|
|
|
10.4015 |
1.7 |
2.845 |
10.1 |
0.2134 |
2.5 |
0.95 |
1247.0 |
32.0 |
1367.0 |
138.0 |
1551.0 |
26.0 |
1551.0 |
26.0 |
91.2 |
3 |
|
|
|
9.7542 |
1.7 |
3.742 |
10.1 |
0.2635 |
2.5 |
0.92 |
1508.0 |
38.0 |
1580.0 |
160.0 |
1670.0 |
29.0 |
1670.0 |
29.0 |
95.4 |
4 |
|
|
|
10.1926 |
1.6 |
3.067 |
10.1 |
0.2241 |
2.6 |
0.98 |
1304.0 |
34.0 |
1424.0 |
144.0 |
1589.0 |
26.0 |
1589.0 |
26.0 |
91.5 |
5 |
|
|
|
10.4899 |
1.6 |
3.036 |
10.1 |
0.2295 |
2.5 |
0.92 |
1332.0 |
33.0 |
1417.0 |
143.0 |
1535.0 |
25.0 |
1535.0 |
25.0 |
94.0 |
6 |
|
|
|
13.9276 |
2.2 |
0.656 |
10.7 |
0.0648 |
3.8 |
0.89 |
405.0 |
16.0 |
512.0 |
55.0 |
980.0 |
22.0 |
405.0 |
16.0 |
79.0 |
7 |
|
|
|
9.4958 |
1.6 |
3.868 |
10.1 |
0.2679 |
2.5 |
0.94 |
1530.0 |
38.0 |
1607.0 |
162.0 |
1720.0 |
28.0 |
1720.0 |
28.0 |
95.2 |
8 |
|
|
|
11.1657 |
1.7 |
3.061 |
10.1 |
0.2471 |
2.6 |
0.86 |
1424.0 |
36.0 |
1423.0 |
143.0 |
1416.0 |
24.0 |
1416.0 |
24.0 |
100.0 |
9 |
|
|
|
9.7876 |
1.6 |
3.625 |
10.1 |
0.2575 |
2.6 |
0.95 |
1477.0 |
38.0 |
1555.0 |
157.0 |
1664.0 |
27.0 |
1664.0 |
27.0 |
95.0 |
10 |
|
|
|
11.3585 |
1.6 |
2.372 |
10.1 |
0.1955 |
2.4 |
0.95 |
1151.0 |
28.0 |
1234.0 |
124.0 |
1383.0 |
23.0 |
1383.0 |
23.0 |
93.3 |
11 |
|
|
|
10.3072 |
1.7 |
3.196 |
10.1 |
0.2401 |
2.4 |
0.82 |
1387.0 |
34.0 |
1456.0 |
147.0 |
1568.0 |
27.0 |
1568.0 |
27.0 |
95.3 |
12 |
|
|
|
9.5694 |
1.7 |
3.649 |
10.1 |
0.2534 |
2.6 |
0.97 |
1456.0 |
38.0 |
1560.0 |
157.0 |
1706.0 |
28.0 |
1706.0 |
28.0 |
93.3 |
13 |
|
|
|
10.6621 |
1.7 |
3.062 |
10.1 |
0.2357 |
2.4 |
0.86 |
1364.0 |
33.0 |
1423.0 |
143.0 |
1504.0 |
25.0 |
1504.0 |
25.0 |
95.9 |
14 |
|
|
|
9.6237 |
1.6 |
3.196 |
10.1 |
0.2208 |
2.6 |
0.98 |
1268.0 |
34.0 |
1456.0 |
147.0 |
1695.0 |
28.0 |
1695.0 |
28.0 |
88.3 |
15 |
|
|
|
11.7371 |
3.1 |
2.64 |
11.3 |
0.2232 |
3.0 |
0.71 |
1299.0 |
39.0 |
1312.0 |
148.0 |
1320.0 |
41.0 |
1320.0 |
41.0 |
99.0 |
16 |
|
|
|
10.3274 |
1.8 |
2.823 |
10.1 |
0.2059 |
2.7 |
0.79 |
1207.0 |
33.0 |
1362.0 |
138.0 |
1564.0 |
28.0 |
1564.0 |
28.0 |
88.6 |
17 |
|
|
|
9.3179 |
1.6 |
3.15 |
10.1 |
0.207 |
2.7 |
0.97 |
1213.0 |
33.0 |
1445.0 |
146.0 |
1754.0 |
29.0 |
1754.0 |
29.0 |
83.9 |
18 |
|
|
|
10.6519 |
1.7 |
3.123 |
10.0 |
0.2414 |
2.4 |
0.84 |
1394.0 |
33.0 |
1438.0 |
144.0 |
1506.0 |
25.0 |
1506.0 |
25.0 |
96.9 |
19 |
|
|
|
12.7275 |
1.9 |
2.175 |
10.1 |
0.2 |
2.4 |
0.65 |
1175.0 |
28.0 |
1173.0 |
118.0 |
1161.0 |
22.0 |
1161.0 |
22.0 |
100.2 |
20 |
|
|
|
11.3109 |
1.7 |
2.481 |
10.1 |
0.2042 |
2.9 |
0.97 |
1198.0 |
34.0 |
1267.0 |
128.0 |
1391.0 |
23.0 |
1391.0 |
23.0 |
94.6 |
21 |
|
|
|
10.8295 |
1.7 |
3.206 |
10.1 |
0.2526 |
2.5 |
0.93 |
1452.0 |
36.0 |
1459.0 |
147.0 |
1474.0 |
26.0 |
1474.0 |
26.0 |
99.5 |
22 |
|
|
|
12.1389 |
1.7 |
2.28 |
10.1 |
0.2019 |
2.4 |
0.71 |
1186.0 |
28.0 |
1206.0 |
121.0 |
1255.0 |
22.0 |
1255.0 |
22.0 |
98.3 |
23 |
|
|
|
11.2994 |
2.3 |
2.795 |
10.3 |
0.2314 |
2.7 |
0.60 |
1342.0 |
36.0 |
1354.0 |
139.0 |
1393.0 |
32.0 |
1393.0 |
32.0 |
99.1 |
24 |
|
|
|
11.2423 |
1.7 |
2.547 |
10.1 |
0.211 |
2.4 |
0.84 |
1234.0 |
30.0 |
1286.0 |
129.0 |
1403.0 |
24.0 |
1403.0 |
24.0 |
96.0 |
25 |
|
|
|
9.4769 |
1.6 |
4.44 |
10.0 |
0.3112 |
2.3 |
0.77 |
1747.0 |
41.0 |
1720.0 |
172.0 |
1723.0 |
28.0 |
1723.0 |
28.0 |
101.6 |
26 |
|
|
|
9.7742 |
1.6 |
3.92 |
10.0 |
0.2849 |
2.4 |
0.90 |
1616.0 |
39.0 |
1618.0 |
162.0 |
1666.0 |
27.0 |
1666.0 |
27.0 |
99.9 |
27 |
|
|
|
11.4351 |
1.8 |
2.753 |
10.1 |
0.2301 |
2.4 |
0.44 |
1335.0 |
32.0 |
1343.0 |
135.0 |
1370.0 |
25.0 |
1370.0 |
25.0 |
99.4 |
28 |
|
|
|
11.7883 |
2.0 |
2.317 |
10.1 |
0.202 |
2.4 |
0.59 |
1186.0 |
28.0 |
1218.0 |
123.0 |
1312.0 |
26.0 |
1312.0 |
26.0 |
97.4 |
29 |
|
|
|
11.4482 |
1.9 |
2.727 |
10.1 |
0.2324 |
2.4 |
0.54 |
1347.0 |
33.0 |
1336.0 |
135.0 |
1368.0 |
26.0 |
1368.0 |
26.0 |
100.8 |
30 |
|
|
|
10.5775 |
1.6 |
2.821 |
10.0 |
0.2198 |
2.4 |
0.86 |
1281.0 |
31.0 |
1361.0 |
137.0 |
1519.0 |
25.0 |
1519.0 |
25.0 |
94.1 |
31 |
|
|
|
11.1995 |
1.8 |
3.011 |
10.1 |
0.2489 |
2.5 |
0.67 |
1433.0 |
36.0 |
1410.0 |
142.0 |
1410.0 |
25.0 |
1410.0 |
25.0 |
101.6 |
32 |
|
|
|
11.4508 |
1.8 |
2.25 |
10.1 |
0.1865 |
2.4 |
0.77 |
1102.0 |
26.0 |
1197.0 |
121.0 |
1368.0 |
25.0 |
1368.0 |
25.0 |
92.1 |
33 |
|
|
|
12.3457 |
1.8 |
2.213 |
10.1 |
0.2025 |
2.4 |
0.58 |
1189.0 |
29.0 |
1185.0 |
119.0 |
1221.0 |
22.0 |
1221.0 |
22.0 |
100.3 |
34 |
|
|
|
11.4286 |
2.3 |
2.512 |
10.1 |
0.2147 |
2.4 |
0.32 |
1254.0 |
31.0 |
1276.0 |
129.0 |
1372.0 |
32.0 |
1372.0 |
32.0 |
98.3 |
35 |
|
|
|
9.2937 |
1.6 |
3.826 |
10.0 |
0.2623 |
2.4 |
0.89 |
1502.0 |
35.0 |
1598.0 |
160.0 |
1759.0 |
28.0 |
1759.0 |
28.0 |
94.0 |
36 |
|
|
|
9.5621 |
1.6 |
3.591 |
10.0 |
0.2532 |
2.3 |
0.88 |
1455.0 |
34.0 |
1548.0 |
155.0 |
1707.0 |
27.0 |
1707.0 |
27.0 |
94.0 |
37 |
|
|
|
9.7182 |
1.6 |
4.033 |
10.1 |
0.2889 |
2.8 |
0.96 |
1636.0 |
46.0 |
1641.0 |
166.0 |
1677.0 |
28.0 |
1677.0 |
28.0 |
99.7 |
38 |
|
|
|
11.0963 |
1.7 |
2.976 |
10.0 |
0.2391 |
2.4 |
0.62 |
1382.0 |
33.0 |
1402.0 |
141.0 |
1428.0 |
25.0 |
1428.0 |
25.0 |
98.6 |
39 |
|
|
|
9.3127 |
1.6 |
3.656 |
10.1 |
0.2429 |
2.6 |
0.92 |
1402.0 |
36.0 |
1562.0 |
157.0 |
1755.0 |
29.0 |
1755.0 |
29.0 |
89.8 |
40 |
|
|
|
9.8049 |
1.7 |
3.406 |
10.0 |
0.2416 |
2.4 |
0.89 |
1395.0 |
34.0 |
1506.0 |
151.0 |
1661.0 |
27.0 |
1661.0 |
27.0 |
92.6 |
41 |
|
|
|
10.9218 |
1.7 |
3.011 |
10.0 |
0.2383 |
2.4 |
0.84 |
1378.0 |
34.0 |
1410.0 |
142.0 |
1458.0 |
24.0 |
1458.0 |
24.0 |
97.7 |
filename:22842.xml