This sample belongs to: Amy Moser
Aliquot Name: TC-19
IGSN: IEAM20004
Stratigraphic Formation Name: Orocopia Schist
Stratigraphic Age:
Rock Type: schist
Mineral: zircon
Latitude: 33.666214
Longitude: -115.899553
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: IEAM20004
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 |
|
|
|
16.9722 |
18.1 |
0.1249 |
16.1 |
0.0157 |
2.4 |
0.60 |
101.0 |
2.0 |
120.0 |
19.0 |
564.0 |
102.0 |
101.0 |
2.0 |
84.2 |
2 |
|
|
|
19.3798 |
18.2 |
0.2402 |
16.5 |
0.0339 |
2.5 |
0.76 |
215.0 |
5.0 |
219.0 |
36.0 |
268.0 |
49.0 |
215.0 |
5.0 |
98.3 |
3 |
|
|
|
19.9601 |
20.1 |
0.19 |
17.8 |
0.0276 |
2.6 |
0.59 |
175.0 |
5.0 |
177.0 |
32.0 |
200.0 |
40.0 |
175.0 |
5.0 |
99.3 |
4 |
|
|
|
19.2678 |
18.1 |
0.1807 |
16.1 |
0.0254 |
2.2 |
0.22 |
162.0 |
3.0 |
169.0 |
27.0 |
281.0 |
51.0 |
162.0 |
3.0 |
95.8 |
5 |
|
|
|
19.9601 |
21.1 |
0.175 |
20.7 |
0.0254 |
5.9 |
0.41 |
162.0 |
10.0 |
164.0 |
34.0 |
200.0 |
42.0 |
162.0 |
10.0 |
98.7 |
6 |
|
|
|
20.7039 |
19.6 |
0.092 |
19.3 |
0.014 |
4.8 |
0.65 |
89.0 |
4.0 |
89.0 |
17.0 |
114.0 |
22.0 |
89.0 |
4.0 |
100.1 |
7 |
|
|
|
20.0803 |
18.3 |
0.0977 |
16.4 |
0.0139 |
2.3 |
0.24 |
89.0 |
2.0 |
95.0 |
15.0 |
186.0 |
34.0 |
89.0 |
2.0 |
93.9 |
8 |
|
|
|
19.3798 |
18.1 |
0.1061 |
16.1 |
0.0149 |
2.2 |
0.23 |
95.0 |
2.0 |
102.0 |
17.0 |
268.0 |
48.0 |
95.0 |
2.0 |
92.9 |
9 |
|
|
|
17.2444 |
18.0 |
0.1547 |
16.0 |
0.0193 |
2.1 |
0.25 |
123.0 |
3.0 |
146.0 |
23.0 |
529.0 |
95.0 |
123.0 |
3.0 |
84.3 |
10 |
|
|
|
17.452 |
18.2 |
0.156 |
16.2 |
0.0196 |
2.2 |
0.03 |
125.0 |
3.0 |
147.0 |
24.0 |
503.0 |
91.0 |
125.0 |
3.0 |
85.1 |
11 |
|
|
|
14.9477 |
18.2 |
0.1302 |
16.2 |
0.0142 |
2.3 |
0.26 |
91.0 |
2.0 |
124.0 |
20.0 |
835.0 |
152.0 |
91.0 |
2.0 |
73.3 |
12 |
|
|
|
9.5329 |
18.2 |
0.1935 |
16.3 |
0.0135 |
2.2 |
0.14 |
86.0 |
2.0 |
180.0 |
29.0 |
1713.0 |
312.0 |
86.0 |
2.0 |
48.0 |
13 |
|
|
|
16.9492 |
18.2 |
0.1096 |
16.2 |
0.0134 |
2.2 |
0.14 |
86.0 |
2.0 |
106.0 |
17.0 |
567.0 |
103.0 |
86.0 |
2.0 |
81.5 |
14 |
|
|
|
18.018 |
18.2 |
0.1029 |
16.2 |
0.0133 |
2.2 |
0.05 |
85.0 |
2.0 |
99.0 |
16.0 |
432.0 |
78.0 |
85.0 |
2.0 |
85.9 |
15 |
|
|
|
17.4216 |
18.2 |
0.1471 |
16.2 |
0.0187 |
2.3 |
0.03 |
119.0 |
3.0 |
139.0 |
23.0 |
507.0 |
92.0 |
119.0 |
3.0 |
85.7 |
16 |
|
|
|
18.9107 |
18.1 |
0.1072 |
16.1 |
0.0147 |
2.2 |
0.32 |
94.0 |
2.0 |
103.0 |
17.0 |
324.0 |
59.0 |
94.0 |
2.0 |
91.2 |
17 |
|
|
|
20.1005 |
18.1 |
0.1068 |
16.1 |
0.0155 |
2.2 |
0.17 |
99.0 |
2.0 |
103.0 |
17.0 |
183.0 |
33.0 |
99.0 |
2.0 |
96.4 |
18 |
|
|
|
20.8464 |
18.1 |
0.0934 |
16.1 |
0.0142 |
2.4 |
0.16 |
91.0 |
2.0 |
91.0 |
15.0 |
98.0 |
18.0 |
91.0 |
2.0 |
100.3 |
19 |
|
|
|
19.8807 |
18.4 |
0.1003 |
16.4 |
0.0143 |
2.2 |
0.12 |
92.0 |
2.0 |
97.0 |
16.0 |
209.0 |
38.0 |
92.0 |
2.0 |
94.6 |
20 |
|
|
|
21.0084 |
18.4 |
0.0769 |
16.5 |
0.0116 |
2.3 |
0.82 |
74.0 |
2.0 |
75.0 |
12.0 |
79.0 |
15.0 |
74.0 |
2.0 |
99.0 |
21 |
|
|
|
20.4499 |
18.2 |
0.0935 |
16.2 |
0.0139 |
2.3 |
0.07 |
89.0 |
2.0 |
91.0 |
15.0 |
143.0 |
26.0 |
89.0 |
2.0 |
98.0 |
22 |
|
|
|
20.6398 |
18.1 |
0.091 |
16.1 |
0.0138 |
2.5 |
0.48 |
89.0 |
2.0 |
88.0 |
14.0 |
121.0 |
22.0 |
89.0 |
2.0 |
100.1 |
23 |
|
|
|
19.802 |
18.3 |
0.1018 |
16.3 |
0.0144 |
2.3 |
0.08 |
92.0 |
2.0 |
98.0 |
16.0 |
218.0 |
40.0 |
92.0 |
2.0 |
93.8 |
24 |
|
|
|
20.35 |
18.0 |
0.1015 |
16.1 |
0.0149 |
2.2 |
0.44 |
96.0 |
2.0 |
98.0 |
16.0 |
155.0 |
28.0 |
96.0 |
2.0 |
97.4 |
25 |
|
|
|
17.4216 |
18.2 |
0.1005 |
16.3 |
0.0126 |
2.2 |
0.33 |
81.0 |
2.0 |
97.0 |
16.0 |
507.0 |
92.0 |
81.0 |
2.0 |
83.0 |
26 |
|
|
|
20.8377 |
18.1 |
0.0956 |
16.1 |
0.0143 |
2.2 |
0.37 |
92.0 |
2.0 |
93.0 |
15.0 |
99.0 |
18.0 |
92.0 |
2.0 |
99.0 |
27 |
|
|
|
21.097 |
18.4 |
0.0797 |
16.4 |
0.012 |
2.4 |
0.08 |
77.0 |
2.0 |
78.0 |
13.0 |
69.0 |
13.0 |
77.0 |
2.0 |
98.6 |
28 |
|
|
|
20.8333 |
18.0 |
0.1104 |
16.1 |
0.0167 |
2.3 |
0.57 |
107.0 |
2.0 |
106.0 |
17.0 |
99.0 |
18.0 |
107.0 |
2.0 |
100.2 |
29 |
|
|
|
18.5288 |
18.0 |
0.1259 |
16.0 |
0.0169 |
2.2 |
0.39 |
108.0 |
2.0 |
120.0 |
19.0 |
370.0 |
67.0 |
108.0 |
2.0 |
89.9 |
30 |
|
|
|
23.4797 |
18.1 |
0.0911 |
16.1 |
0.0154 |
2.2 |
0.47 |
99.0 |
2.0 |
89.0 |
14.0 |
-192.0 |
-35.0 |
99.0 |
2.0 |
111.4 |
31 |
|
|
|
11.4943 |
18.3 |
0.313 |
16.7 |
0.026 |
3.4 |
0.88 |
166.0 |
6.0 |
277.0 |
46.0 |
1360.0 |
249.0 |
166.0 |
6.0 |
59.9 |
32 |
|
|
|
20.7039 |
19.0 |
0.114 |
17.7 |
0.0168 |
2.8 |
0.68 |
107.0 |
3.0 |
110.0 |
19.0 |
114.0 |
22.0 |
107.0 |
3.0 |
98.0 |
33 |
|
|
|
21.4592 |
18.5 |
0.0894 |
16.6 |
0.0138 |
2.8 |
0.37 |
88.0 |
2.0 |
87.0 |
14.0 |
29.0 |
5.0 |
88.0 |
2.0 |
101.8 |
filename:22845.xml