This sample belongs to: Sarah George
Aliquot Name: 18ASN03
IGSN:
Stratigraphic Formation Name:
Stratigraphic Age:
Rock Type: igneous
Mineral: Zircon
Latitude: -130.094889
Longitude: 57.831869
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. |
| -18ASN03 Spot 60 |
5961 |
972496 |
3.3 |
19.6174 |
1.1 |
0.1917 |
2.0 |
0.0273 |
1.7 |
0.84 |
173.5 |
2.9 |
178.1 |
3.3 |
238.7 |
25.4 |
173.5 |
2.9 |
97.5 |
| -18ASN03 Spot 36 c1 |
7582 |
76960 |
2.2 |
19.7389 |
1.0 |
0.1943 |
1.7 |
0.0278 |
1.4 |
0.83 |
176.9 |
2.5 |
180.3 |
2.9 |
224.4 |
22.2 |
176.9 |
2.5 |
98.1 |
| -18ASN03 Spot 40 r2 |
1477 |
55318 |
2.2 |
19.7082 |
1.1 |
0.1946 |
1.9 |
0.0278 |
1.5 |
0.81 |
176.9 |
2.7 |
180.6 |
3.1 |
228.0 |
25.3 |
176.9 |
2.7 |
98.0 |
| -18ASN03 Spot 59 |
4217 |
80055 |
2.7 |
19.8746 |
1.2 |
0.1935 |
1.9 |
0.0279 |
1.5 |
0.77 |
177.4 |
2.6 |
179.6 |
3.1 |
208.6 |
28.1 |
177.4 |
2.6 |
98.8 |
| -18ASN03 Spot 54 c |
2574 |
31199 |
1.0 |
19.8413 |
0.9 |
0.1941 |
1.5 |
0.0279 |
1.2 |
0.82 |
177.7 |
2.1 |
180.1 |
2.5 |
212.4 |
19.8 |
177.7 |
2.1 |
98.6 |
| -18ASN03 Spot 70 |
1914 |
46341 |
1.2 |
20.1145 |
1.2 |
0.1915 |
2.0 |
0.0279 |
1.6 |
0.81 |
177.7 |
2.9 |
177.9 |
3.3 |
180.7 |
27.5 |
177.7 |
2.9 |
99.9 |
| -18ASN03 Spot 53 |
670 |
60580 |
2.2 |
19.899 |
1.4 |
0.1942 |
2.1 |
0.028 |
1.6 |
0.73 |
178.3 |
2.7 |
180.2 |
3.5 |
205.8 |
33.4 |
178.3 |
2.7 |
98.9 |
| -18ASN03 Spot 47 |
797 |
32799 |
2.2 |
19.9926 |
1.5 |
0.1936 |
2.0 |
0.0281 |
1.3 |
0.68 |
178.5 |
2.4 |
179.7 |
3.3 |
194.9 |
33.8 |
178.5 |
2.4 |
99.4 |
| -18ASN03 Spot 68 |
2115 |
188092 |
1.2 |
19.6392 |
1.1 |
0.1984 |
1.9 |
0.0283 |
1.6 |
0.82 |
179.8 |
2.8 |
183.8 |
3.3 |
236.1 |
25.8 |
179.8 |
2.8 |
97.8 |
| -18ASN03 Spot 41 c3 |
3363 |
133819 |
1.9 |
19.5876 |
1.0 |
0.1999 |
1.8 |
0.0284 |
1.4 |
0.82 |
180.6 |
2.6 |
185.1 |
3.0 |
242.2 |
23.1 |
180.6 |
2.6 |
97.6 |
| -18ASN03 Spot 51 |
802 |
26774 |
1.7 |
19.5796 |
1.2 |
0.2001 |
1.9 |
0.0284 |
1.5 |
0.77 |
180.7 |
2.7 |
185.2 |
3.3 |
243.2 |
28.5 |
180.7 |
2.7 |
97.6 |
| -18ASN03 Spot 56 |
279 |
5663 |
2.2 |
20.9154 |
2.0 |
0.1877 |
2.7 |
0.0285 |
1.7 |
0.65 |
181.1 |
3.1 |
174.7 |
4.3 |
89.0 |
47.7 |
181.1 |
3.1 |
103.7 |
| -18ASN03 Spot 55 |
212 |
3397 |
2.9 |
21.7117 |
2.1 |
0.181 |
2.5 |
0.0285 |
1.3 |
0.51 |
181.2 |
2.3 |
168.9 |
3.9 |
NA |
NA |
181.2 |
2.3 |
107.3 |
| -18ASN03 Spot 52 |
1011 |
63519 |
2.3 |
19.954 |
1.2 |
0.1988 |
2.0 |
0.0288 |
1.5 |
0.78 |
183.0 |
2.7 |
184.1 |
3.3 |
199.3 |
28.5 |
183.0 |
2.7 |
99.4 |
| -18ASN03 Spot 37 r1 |
1863 |
60838 |
2.5 |
19.9979 |
1.2 |
0.1989 |
1.9 |
0.0289 |
1.4 |
0.77 |
183.4 |
2.6 |
184.2 |
3.1 |
194.2 |
27.5 |
183.4 |
2.6 |
99.6 |
| -18ASN03 Spot 50 |
2183 |
61419 |
2.1 |
19.5549 |
0.9 |
0.2035 |
1.6 |
0.0289 |
1.3 |
0.82 |
183.5 |
2.4 |
188.1 |
2.8 |
246.1 |
21.4 |
183.5 |
2.4 |
97.6 |
| -18ASN03 Spot 43 |
223 |
6306 |
2.1 |
21.1038 |
1.3 |
0.1887 |
2.1 |
0.0289 |
1.6 |
0.79 |
183.6 |
3.0 |
175.5 |
3.3 |
67.6 |
30.1 |
183.6 |
3.0 |
104.6 |
| -18ASN03 Spot 67 |
288 |
8615 |
2.7 |
20.4449 |
1.9 |
0.1951 |
2.3 |
0.0289 |
1.2 |
0.55 |
184.0 |
2.2 |
181.0 |
3.8 |
142.6 |
44.4 |
184.0 |
2.2 |
101.6 |
| -18ASN03 Spot 69 |
1178 |
97208 |
1.5 |
20.0324 |
1.0 |
0.1992 |
1.7 |
0.029 |
1.4 |
0.80 |
184.0 |
2.5 |
184.4 |
2.9 |
190.2 |
24.2 |
184.0 |
2.5 |
99.8 |
| -18ASN03 Spot 46 |
1744 |
71283 |
1.5 |
19.8556 |
1.2 |
0.2011 |
1.9 |
0.029 |
1.5 |
0.78 |
184.1 |
2.7 |
186.0 |
3.3 |
210.8 |
28.4 |
184.1 |
2.7 |
99.0 |
| -18ASN03 Spot 58 |
1143 |
26361 |
1.5 |
20.3361 |
1.0 |
0.1964 |
1.6 |
0.029 |
1.2 |
0.77 |
184.1 |
2.2 |
182.0 |
2.6 |
155.1 |
23.4 |
184.1 |
2.2 |
101.1 |
| -18ASN03 Spot 38 |
201 |
3780 |
2.3 |
22.1879 |
2.8 |
0.1801 |
3.1 |
0.029 |
1.5 |
0.47 |
184.3 |
2.7 |
168.2 |
4.8 |
NA |
NA |
184.3 |
2.7 |
109.6 |
| -18ASN03 Spot 64 |
374 |
10714 |
1.5 |
21.2092 |
1.8 |
0.1888 |
2.5 |
0.029 |
1.7 |
0.69 |
184.6 |
3.1 |
175.6 |
4.0 |
55.8 |
43.5 |
184.6 |
3.1 |
105.1 |
| -18ASN03 Spot 44 |
489 |
7070 |
1.9 |
20.5643 |
1.6 |
0.1947 |
2.2 |
0.0291 |
1.6 |
0.70 |
184.6 |
2.8 |
180.6 |
3.7 |
128.9 |
36.9 |
184.6 |
2.8 |
102.2 |
| -18ASN03 Spot 39 c2 |
4020 |
507198 |
0.8 |
19.9296 |
1.1 |
0.2011 |
1.9 |
0.0291 |
1.6 |
0.82 |
184.8 |
2.9 |
186.0 |
3.2 |
202.2 |
25.0 |
184.8 |
2.9 |
99.3 |
| -18ASN03 Spot 66 |
1405 |
34557 |
3.6 |
19.9533 |
0.9 |
0.2012 |
1.5 |
0.0291 |
1.1 |
0.78 |
185.1 |
2.1 |
186.2 |
2.5 |
199.4 |
21.7 |
185.1 |
2.1 |
99.4 |
| -18ASN03 Spot 57 |
3424 |
69213 |
1.8 |
20.2187 |
0.9 |
0.1992 |
1.5 |
0.0292 |
1.2 |
0.79 |
185.7 |
2.2 |
184.5 |
2.6 |
168.6 |
22.2 |
185.7 |
2.2 |
100.7 |
| -18ASN03 Spot 49 |
782 |
21310 |
2.8 |
20.1766 |
1.2 |
0.2002 |
1.8 |
0.0293 |
1.4 |
0.77 |
186.2 |
2.6 |
185.3 |
3.1 |
173.5 |
26.9 |
186.2 |
2.6 |
100.5 |
| -18ASN03 Spot 42 r3 |
1921 |
1463750 |
2.4 |
19.5504 |
0.8 |
0.2078 |
1.5 |
0.0295 |
1.2 |
0.82 |
187.3 |
2.3 |
191.7 |
2.6 |
246.6 |
19.4 |
187.3 |
2.3 |
97.7 |
| -18ASN03 Spot 65 |
3327 |
68544 |
2.0 |
19.644 |
1.2 |
0.2069 |
2.0 |
0.0295 |
1.6 |
0.79 |
187.4 |
3.0 |
190.9 |
3.5 |
235.6 |
28.7 |
187.4 |
3.0 |
98.1 |
| -18ASN03 Spot 61 |
1237 |
517538 |
1.8 |
19.1924 |
1.3 |
0.2122 |
2.0 |
0.0295 |
1.5 |
0.74 |
187.7 |
2.8 |
195.4 |
3.6 |
289.0 |
30.7 |
187.7 |
2.8 |
96.1 |
| -18ASN03 Spot 62 c4 |
1500 |
117545 |
3.5 |
20.3535 |
1.1 |
0.202 |
1.9 |
0.0298 |
1.5 |
0.80 |
189.5 |
2.8 |
186.8 |
3.2 |
153.1 |
26.4 |
189.5 |
2.8 |
101.4 |
| -18ASN03 Spot 63 r4 |
299 |
12288 |
3.8 |
20.1091 |
2.0 |
0.2047 |
2.5 |
0.0299 |
1.5 |
0.61 |
189.7 |
2.8 |
189.1 |
4.3 |
181.3 |
46.1 |
189.7 |
2.8 |
100.3 |
| -18ASN03 Spot 48 |
2672 |
58470 |
2.3 |
19.8125 |
1.1 |
0.2129 |
1.7 |
0.0306 |
1.4 |
0.79 |
194.3 |
2.6 |
196.0 |
3.1 |
215.8 |
24.3 |
194.3 |
2.6 |
99.2 |
| -18ASN03 Spot 45 |
1105 |
73783 |
3.6 |
19.9592 |
1.3 |
0.217 |
2.4 |
0.0314 |
2.0 |
0.84 |
199.4 |
3.9 |
199.4 |
4.3 |
198.7 |
30.5 |
199.4 |
3.9 |
100.0 |
filename:20867.xml
