This sample belongs to: Sarah George
Aliquot Name: 18AOD07
IGSN:
Stratigraphic Formation Name:
Stratigraphic Age:
Rock Type: igneous
Mineral: Zircon
Latitude: -129.65763
Longitude: 56.68412
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. |
| -18AOD07 Spot 53 |
267 |
82940 |
2.5 |
18.0889 |
1.0 |
0.2262 |
1.9 |
0.0297 |
1.6 |
0.83 |
188.6 |
2.9 |
207.1 |
3.5 |
422.7 |
23.1 |
188.6 |
2.9 |
91.1 |
| -18AOD07 Spot 70 |
277 |
35705 |
2.8 |
19.766 |
1.0 |
0.212 |
1.6 |
0.0304 |
1.2 |
0.77 |
193.1 |
2.3 |
195.2 |
2.8 |
221.3 |
23.5 |
193.1 |
2.3 |
98.9 |
| -18AOD07 Spot 36 |
145 |
13375 |
4.4 |
19.9809 |
1.0 |
0.2107 |
1.3 |
0.0306 |
0.8 |
0.63 |
194.0 |
1.5 |
194.2 |
2.3 |
196.2 |
23.0 |
194.0 |
1.5 |
99.9 |
| -18AOD07 Spot 41 |
100 |
14120 |
3.2 |
20.2214 |
1.5 |
0.2083 |
1.8 |
0.0306 |
1.0 |
0.55 |
194.1 |
1.9 |
192.1 |
3.1 |
168.3 |
34.9 |
194.1 |
1.9 |
101.0 |
| -18AOD07 Spot 58 |
105 |
638378 |
2.6 |
19.4548 |
1.0 |
0.2168 |
1.4 |
0.0306 |
0.9 |
0.67 |
194.3 |
1.8 |
199.3 |
2.5 |
257.9 |
23.5 |
194.3 |
1.8 |
97.5 |
| -18AOD07 Spot 54 |
288 |
43255 |
1.6 |
20.0855 |
0.9 |
0.2103 |
1.8 |
0.0306 |
1.6 |
0.86 |
194.6 |
3.0 |
193.8 |
3.2 |
184.0 |
21.5 |
194.6 |
3.0 |
100.4 |
| -18AOD07 Spot 62 |
292 |
93822 |
3.3 |
19.5873 |
0.9 |
0.2156 |
1.4 |
0.0306 |
1.1 |
0.76 |
194.6 |
2.1 |
198.3 |
2.6 |
242.2 |
21.2 |
194.6 |
2.1 |
98.1 |
| -18AOD07 Spot 66 |
190 |
65717 |
2.1 |
19.7153 |
1.1 |
0.2143 |
1.5 |
0.0307 |
0.9 |
0.64 |
194.7 |
1.8 |
197.2 |
2.6 |
227.2 |
26.1 |
194.7 |
1.8 |
98.7 |
| -18AOD07 Spot 50 |
128 |
38339 |
3.8 |
19.7048 |
1.2 |
0.2153 |
1.7 |
0.0308 |
1.2 |
0.71 |
195.4 |
2.3 |
198.0 |
3.0 |
228.4 |
26.9 |
195.4 |
2.3 |
98.7 |
| -18AOD07 Spot 55 |
104 |
67655 |
2.7 |
19.7453 |
1.1 |
0.2151 |
1.7 |
0.0308 |
1.3 |
0.76 |
195.6 |
2.4 |
197.8 |
3.0 |
223.7 |
24.6 |
195.6 |
2.4 |
98.9 |
| -18AOD07 Spot 46 |
143 |
14316 |
2.2 |
19.9878 |
1.4 |
0.2125 |
1.9 |
0.0308 |
1.3 |
0.67 |
195.6 |
2.4 |
195.6 |
3.3 |
195.4 |
32.0 |
195.6 |
2.4 |
100.0 |
| -18AOD07 Spot 64 |
349 |
54740 |
2.6 |
19.6979 |
0.8 |
0.2158 |
1.7 |
0.0308 |
1.5 |
0.87 |
195.8 |
2.8 |
198.4 |
3.0 |
229.2 |
18.8 |
195.8 |
2.8 |
98.7 |
| -18AOD07 Spot 40 |
306 |
44389 |
3.9 |
19.9122 |
0.8 |
0.2139 |
1.3 |
0.0309 |
1.1 |
0.80 |
196.2 |
2.1 |
196.8 |
2.4 |
204.2 |
18.9 |
196.2 |
2.1 |
99.7 |
| -18AOD07 Spot 39 |
103 |
19287 |
2.4 |
19.6391 |
1.5 |
0.2179 |
1.8 |
0.0311 |
1.1 |
0.61 |
197.1 |
2.2 |
200.2 |
3.3 |
236.1 |
33.5 |
197.1 |
2.2 |
98.5 |
| -18AOD07 Spot 51 |
106 |
102927 |
3.0 |
19.3862 |
1.5 |
0.2209 |
1.9 |
0.0311 |
1.2 |
0.65 |
197.3 |
2.4 |
202.7 |
3.5 |
266.0 |
33.4 |
197.3 |
2.4 |
97.3 |
| -18AOD07 Spot 38 |
66 |
6660 |
2.9 |
20.1133 |
2.6 |
0.2132 |
2.8 |
0.0311 |
1.0 |
0.37 |
197.5 |
2.0 |
196.2 |
5.0 |
180.8 |
60.8 |
197.5 |
2.0 |
100.7 |
| -18AOD07 Spot 45 |
379 |
53966 |
3.2 |
19.852 |
0.7 |
0.216 |
1.4 |
0.0311 |
1.3 |
0.89 |
197.5 |
2.4 |
198.6 |
2.5 |
211.2 |
15.1 |
197.5 |
2.4 |
99.5 |
| -18AOD07 Spot 49 |
76 |
17956 |
2.8 |
20.0849 |
1.5 |
0.2144 |
1.8 |
0.0312 |
0.9 |
0.51 |
198.3 |
1.8 |
197.2 |
3.2 |
184.1 |
35.4 |
198.3 |
1.8 |
100.6 |
| -18AOD07 Spot 52 |
269 |
119537 |
4.7 |
20.0757 |
1.0 |
0.2147 |
1.7 |
0.0313 |
1.3 |
0.79 |
198.5 |
2.6 |
197.5 |
3.0 |
185.2 |
24.2 |
198.5 |
2.6 |
100.5 |
| -18AOD07 Spot 48 |
63 |
50272 |
2.1 |
19.4413 |
1.6 |
0.2222 |
1.8 |
0.0313 |
0.9 |
0.51 |
198.9 |
1.8 |
203.7 |
3.4 |
259.4 |
36.3 |
198.9 |
1.8 |
97.7 |
| -18AOD07 Spot 44 |
233 |
742969 |
2.2 |
19.9333 |
0.8 |
0.2168 |
1.6 |
0.0313 |
1.3 |
0.84 |
199.0 |
2.6 |
199.2 |
2.9 |
201.7 |
19.7 |
199.0 |
2.6 |
99.9 |
| -18AOD07 Spot 63 |
120 |
39859 |
3.3 |
19.6868 |
1.1 |
0.2198 |
1.5 |
0.0314 |
1.0 |
0.67 |
199.3 |
1.9 |
201.7 |
2.7 |
230.5 |
25.1 |
199.3 |
1.9 |
98.8 |
| -18AOD07 Spot 59 |
93 |
27434 |
2.4 |
20.0928 |
1.5 |
0.2159 |
2.0 |
0.0315 |
1.4 |
0.69 |
199.8 |
2.7 |
198.5 |
3.6 |
183.2 |
34.1 |
199.8 |
2.7 |
100.7 |
| -18AOD07 Spot 60 |
98 |
98578 |
3.7 |
19.9157 |
1.2 |
0.219 |
1.4 |
0.0316 |
0.8 |
0.55 |
200.9 |
1.5 |
201.1 |
2.5 |
203.8 |
27.1 |
200.9 |
1.5 |
99.9 |
| -18AOD07 Spot 61 |
76 |
11443 |
2.1 |
18.1711 |
2.7 |
0.2416 |
2.9 |
0.0319 |
1.1 |
0.37 |
202.2 |
2.1 |
219.8 |
5.7 |
412.5 |
59.8 |
202.2 |
2.1 |
92.0 |
| -18AOD07 Spot 57 |
172 |
51807 |
2.8 |
19.7666 |
1.0 |
0.2223 |
1.6 |
0.0319 |
1.2 |
0.76 |
202.3 |
2.4 |
203.8 |
2.9 |
221.2 |
23.7 |
202.3 |
2.4 |
99.3 |
| -18AOD07 Spot 69 r1 |
183 |
27939 |
3.9 |
19.9182 |
1.1 |
0.2209 |
1.3 |
0.0319 |
0.8 |
0.62 |
202.6 |
1.7 |
202.6 |
2.5 |
203.5 |
24.6 |
202.6 |
1.7 |
100.0 |
| -18AOD07 Spot 42 c2 |
90 |
50246 |
3.9 |
19.5085 |
1.3 |
0.2256 |
1.8 |
0.0319 |
1.2 |
0.70 |
202.6 |
2.4 |
206.6 |
3.3 |
251.5 |
28.8 |
202.6 |
2.4 |
98.1 |
| -18AOD07 Spot 37 |
55 |
10183 |
2.6 |
19.6043 |
1.7 |
0.227 |
2.0 |
0.0323 |
1.1 |
0.52 |
204.8 |
2.1 |
207.7 |
3.8 |
240.3 |
39.5 |
204.8 |
2.1 |
98.6 |
| -18AOD07 Spot 43 r2 |
179 |
577437 |
3.4 |
19.7086 |
1.1 |
0.2278 |
1.6 |
0.0326 |
1.2 |
0.72 |
206.6 |
2.4 |
208.3 |
3.1 |
228.0 |
26.3 |
206.6 |
2.4 |
99.2 |
| -18AOD07 Spot 56 |
35 |
5161 |
3.7 |
20.936 |
2.1 |
0.216 |
2.5 |
0.0328 |
1.3 |
0.52 |
208.1 |
2.7 |
198.6 |
4.5 |
86.6 |
50.1 |
208.1 |
2.7 |
104.8 |
| -18AOD07 Spot 67 |
82 |
13587 |
3.7 |
17.9813 |
2.1 |
0.2516 |
2.6 |
0.0328 |
1.4 |
0.55 |
208.2 |
2.9 |
227.9 |
5.2 |
436.0 |
47.8 |
208.2 |
2.9 |
91.4 |
| -18AOD07 Spot 65 |
58 |
48368 |
3.4 |
19.9328 |
1.8 |
0.2277 |
2.1 |
0.0329 |
1.1 |
0.53 |
208.9 |
2.3 |
208.3 |
3.9 |
201.8 |
41.2 |
208.9 |
2.3 |
100.3 |
| -18AOD07 Spot 68 c1 |
138 |
19528 |
4.2 |
19.9972 |
1.3 |
0.2331 |
1.7 |
0.0338 |
1.0 |
0.59 |
214.5 |
2.1 |
212.8 |
3.2 |
194.3 |
31.4 |
214.5 |
2.1 |
100.8 |
| -18AOD07 Spot 47 |
19 |
68718 |
1.0 |
12.8471 |
1.1 |
2.1437 |
1.7 |
0.1998 |
1.3 |
0.77 |
1174.4 |
13.9 |
1163.0 |
11.6 |
1141.9 |
21.2 |
1141.9 |
21.2 |
102.8 |
filename:20865.xml
