This sample belongs to: Sarah George
Aliquot Name: 18AOD06
IGSN:
Stratigraphic Formation Name:
Stratigraphic Age:
Rock Type: igneous
Mineral: Zircon
Latitude: -129.65618
Longitude: 56.68253
Internal Uncertainty Level: one sigma
External Uncertainty 206/238 (% two sigma): 0.8
External Uncertainty 206/207 (% two sigma): 0.8
Analysis Purpose:
Laboratory Name: Arizona LaserChron Center
Analyst Name: Daniel Alberts
Aliquot Reference:
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:
| 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. |
| -18AOD06 Spot 19 c1 |
2195 |
18233 |
8.6 |
17.3101 |
3.5 |
0.2377 |
3.7 |
0.0299 |
1.3 |
0.35 |
189.6 |
2.4 |
216.5 |
7.2 |
520.1 |
76.2 |
189.6 |
2.4 |
87.6 |
| -18AOD06 Spot 14 |
165 |
109073 |
3.0 |
19.3443 |
1.2 |
0.2153 |
1.7 |
0.0302 |
1.2 |
0.72 |
191.9 |
2.3 |
198.0 |
3.0 |
270.9 |
26.6 |
191.9 |
2.3 |
96.9 |
| -18AOD06 Spot 16 |
210 |
107453 |
3.5 |
19.8149 |
1.0 |
0.214 |
1.7 |
0.0308 |
1.4 |
0.80 |
195.4 |
2.6 |
196.9 |
3.1 |
215.6 |
24.1 |
195.4 |
2.6 |
99.2 |
| -18AOD06 Spot 30 |
166 |
35967 |
4.5 |
19.374 |
0.9 |
0.2191 |
1.4 |
0.0308 |
1.1 |
0.75 |
195.6 |
2.0 |
201.2 |
2.6 |
267.4 |
21.2 |
195.6 |
2.0 |
97.2 |
| -18AOD06 Spot 33 |
171 |
45918 |
2.1 |
19.774 |
1.3 |
0.2149 |
1.7 |
0.0308 |
1.1 |
0.64 |
195.8 |
2.0 |
197.7 |
3.0 |
220.4 |
29.5 |
195.8 |
2.0 |
99.0 |
| -18AOD06 Spot 15 |
173 |
41012 |
3.4 |
20.0171 |
1.0 |
0.2125 |
1.3 |
0.0309 |
1.0 |
0.71 |
195.9 |
1.8 |
195.6 |
2.4 |
192.0 |
22.2 |
195.9 |
1.8 |
100.2 |
| -18AOD06 Spot 13 |
86 |
12751 |
1.1 |
19.4658 |
1.6 |
0.2188 |
1.9 |
0.0309 |
1.0 |
0.52 |
196.2 |
1.9 |
200.9 |
3.4 |
256.6 |
36.7 |
196.2 |
1.9 |
97.7 |
| -18AOD06 Spot 28 |
410 |
90753 |
2.2 |
19.7292 |
0.8 |
0.2159 |
1.6 |
0.0309 |
1.4 |
0.86 |
196.3 |
2.7 |
198.5 |
2.9 |
225.6 |
19.3 |
196.3 |
2.7 |
98.9 |
| -18AOD06 Spot 26 |
170 |
16560 |
2.2 |
19.9955 |
1.0 |
0.2131 |
1.5 |
0.0309 |
1.2 |
0.79 |
196.3 |
2.3 |
196.2 |
2.8 |
194.5 |
22.2 |
196.3 |
2.3 |
100.1 |
| -18AOD06 Spot 6 |
119 |
46797 |
2.7 |
19.841 |
1.1 |
0.215 |
1.4 |
0.031 |
0.8 |
0.60 |
196.5 |
1.6 |
197.8 |
2.5 |
212.5 |
26.2 |
196.5 |
1.6 |
99.4 |
| -18AOD06 Spot 23 |
216 |
115112 |
1.8 |
19.7423 |
1.0 |
0.2166 |
1.5 |
0.031 |
1.1 |
0.75 |
197.0 |
2.1 |
199.1 |
2.6 |
224.0 |
22.4 |
197.0 |
2.1 |
98.9 |
| -18AOD06 Spot 34 |
211 |
295096 |
5.1 |
19.6861 |
1.2 |
0.2174 |
1.7 |
0.0311 |
1.2 |
0.70 |
197.2 |
2.3 |
199.8 |
3.1 |
230.6 |
27.9 |
197.2 |
2.3 |
98.7 |
| -18AOD06 Spot 8 |
434 |
208298 |
2.9 |
19.7241 |
0.8 |
0.2171 |
1.5 |
0.0311 |
1.3 |
0.84 |
197.2 |
2.4 |
199.5 |
2.7 |
226.2 |
18.6 |
197.2 |
2.4 |
98.9 |
| -18AOD06 Spot 35 |
107 |
326236 |
2.4 |
18.7648 |
1.7 |
0.2284 |
2.0 |
0.0311 |
1.0 |
0.50 |
197.4 |
1.9 |
208.9 |
3.7 |
340.3 |
38.8 |
197.4 |
1.9 |
94.5 |
| -18AOD06 Spot 9 |
365 |
76563 |
2.6 |
19.8774 |
0.8 |
0.216 |
1.4 |
0.0312 |
1.1 |
0.81 |
197.8 |
2.2 |
198.6 |
2.5 |
208.3 |
18.6 |
197.8 |
2.2 |
99.6 |
| -18AOD06 Spot 11 r2 |
323 |
59105 |
2.6 |
19.7428 |
0.9 |
0.2177 |
1.6 |
0.0312 |
1.3 |
0.82 |
198.0 |
2.5 |
200.0 |
2.9 |
224.0 |
21.1 |
198.0 |
2.5 |
99.0 |
| -18AOD06 Spot 1 |
171 |
7107 |
3.9 |
20.8518 |
1.2 |
0.2067 |
1.5 |
0.0313 |
1.0 |
0.66 |
198.5 |
2.0 |
190.8 |
2.7 |
96.1 |
27.3 |
198.5 |
2.0 |
104.1 |
| -18AOD06 Spot 22 |
408 |
190295 |
4.2 |
19.8711 |
0.8 |
0.217 |
1.5 |
0.0313 |
1.3 |
0.86 |
198.6 |
2.6 |
199.4 |
2.7 |
209.0 |
17.7 |
198.6 |
2.6 |
99.6 |
| -18AOD06 Spot 4 |
457 |
29812 |
1.7 |
20.111 |
0.7 |
0.2152 |
1.3 |
0.0314 |
1.1 |
0.84 |
199.3 |
2.2 |
197.9 |
2.4 |
181.1 |
16.6 |
199.3 |
2.2 |
100.7 |
| -18AOD06 Spot 3 |
308 |
63291 |
1.3 |
19.8909 |
0.9 |
0.2184 |
1.9 |
0.0315 |
1.7 |
0.89 |
200.1 |
3.3 |
200.6 |
3.4 |
206.7 |
19.9 |
200.1 |
3.3 |
99.7 |
| -18AOD06 Spot 7 |
189 |
314705 |
3.0 |
19.7632 |
0.9 |
0.2211 |
1.3 |
0.0317 |
1.0 |
0.72 |
201.2 |
1.9 |
202.8 |
2.5 |
221.6 |
21.3 |
201.2 |
1.9 |
99.2 |
| -18AOD06 Spot 17 |
202 |
240276 |
2.5 |
19.7118 |
1.0 |
0.2217 |
1.7 |
0.0317 |
1.4 |
0.80 |
201.2 |
2.7 |
203.3 |
3.1 |
227.6 |
23.8 |
201.2 |
2.7 |
99.0 |
| -18AOD06 Spot 2 |
282 |
186581 |
2.0 |
20.0274 |
0.8 |
0.2183 |
1.6 |
0.0317 |
1.3 |
0.86 |
201.3 |
2.7 |
200.5 |
2.9 |
190.8 |
18.8 |
201.3 |
2.7 |
100.4 |
| -18AOD06 Spot 27 |
114 |
69064 |
3.2 |
19.5896 |
1.1 |
0.2235 |
1.5 |
0.0318 |
1.0 |
0.70 |
201.6 |
2.1 |
204.8 |
2.8 |
242.0 |
24.7 |
201.6 |
2.1 |
98.4 |
| -18AOD06 Spot 32 |
85 |
13311 |
3.7 |
20.244 |
1.3 |
0.2163 |
1.7 |
0.0318 |
1.1 |
0.62 |
201.7 |
2.1 |
198.9 |
3.1 |
165.7 |
31.1 |
201.7 |
2.1 |
101.4 |
| -18AOD06 Spot 18 r1 |
108 |
11994 |
3.5 |
20.0967 |
1.7 |
0.218 |
2.0 |
0.0318 |
0.9 |
0.46 |
201.8 |
1.8 |
200.3 |
3.6 |
182.7 |
40.5 |
201.8 |
1.8 |
100.7 |
| -18AOD06 Spot 5 |
56 |
15145 |
2.6 |
19.3454 |
1.8 |
0.2273 |
2.0 |
0.0319 |
0.8 |
0.42 |
202.4 |
1.7 |
207.9 |
3.7 |
270.8 |
41.0 |
202.4 |
1.7 |
97.4 |
| -18AOD06 Spot 31 |
126 |
25003 |
3.6 |
19.9516 |
1.2 |
0.2206 |
1.5 |
0.0319 |
0.9 |
0.60 |
202.6 |
1.8 |
202.4 |
2.7 |
199.6 |
27.3 |
202.6 |
1.8 |
100.1 |
| -18AOD06 Spot 10 |
296 |
38079 |
4.0 |
19.9014 |
0.8 |
0.2212 |
1.4 |
0.0319 |
1.2 |
0.83 |
202.7 |
2.3 |
202.9 |
2.6 |
205.5 |
18.4 |
202.7 |
2.3 |
99.9 |
| -18AOD06 Spot 20 |
140 |
8069 |
3.3 |
20.3743 |
1.0 |
0.2171 |
1.4 |
0.0321 |
0.9 |
0.66 |
203.6 |
1.8 |
199.5 |
2.5 |
150.7 |
24.2 |
203.6 |
1.8 |
102.1 |
| -18AOD06 Spot 21 |
433 |
139284 |
1.2 |
19.7792 |
0.8 |
0.2266 |
1.5 |
0.0325 |
1.3 |
0.85 |
206.3 |
2.6 |
207.4 |
2.8 |
219.7 |
18.0 |
206.3 |
2.6 |
99.5 |
| -18AOD06 Spot 12 c2 |
239 |
3893353 |
3.0 |
18.5374 |
0.7 |
0.3927 |
1.5 |
0.0528 |
1.3 |
0.86 |
331.8 |
4.1 |
336.4 |
4.2 |
367.7 |
16.9 |
331.8 |
4.1 |
98.7 |
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| -18AOD06 Spot 25 |
48 |
5803 |
3.1 |
9.8478 |
10.7 |
0.4769 |
10.8 |
0.0341 |
1.6 |
0.15 |
216.0 |
3.4 |
395.9 |
35.4 |
1651.7 |
198.5 |
216.0 |
3.4 |
54.6 |
| -18AOD06 Spot 29 |
92 |
2809 |
3.5 |
9.3036 |
10.7 |
0.5429 |
11.0 |
0.0366 |
2.5 |
0.22 |
232.0 |
5.6 |
440.3 |
39.2 |
1756.4 |
196.1 |
232.0 |
5.6 |
52.7 |
filename:20864.xml
