This sample belongs to: Carl Hoiland
Aliquot Name: CH-260
IGSN:
Stratigraphic Formation Name: Old Mans tonalite
Stratigraphic Age:
Rock Type: Orthogneiss
Mineral: Zircon
Latitude: 39.19056
Longitude: -114.08806
Internal Uncertainty Level:
External Uncertainty 206/238 (% two sigma): 1.34
External Uncertainty 206/207 (% two sigma): 0.75
Analysis Purpose: IgneousAge
Laboratory Name: University of Arizona LaserChron Center
Analyst Name: Carl Hoiland
Aliquot Reference: Hoiland, C., Hourigan, J., and Miller, E., 2021, Evidence for Large Departures from Lithostatic Pressure During Late Cretaceous Metamorphism in the Northern Snake Range Metamorphic Core Complex, Nevada, in GSA Special Paper “Tectonic Evolution of the Sevier-Laramide Hinterland, Thrust Belt, Foreland and Post-Orogenic Slab Rollback (180-20 Ma)”.
Aliquot Instrumental Method: LA-ICPMS
Aliquot Instrumental Reference: Gehrels, G.E., Valencia, V., and 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. |
| Spot 06 |
404 |
48836 |
4.8 |
20.4051 |
2.9 |
0.1643 |
3.5 |
0.0243 |
2.0 |
0.56 |
154.9 |
3.0 |
154.5 |
5.0 |
148.2 |
67.5 |
154.9 |
3.0 |
104.5 |
| Spot 15 |
1129 |
283296 |
3.5 |
20.3697 |
0.8 |
0.1667 |
1.2 |
0.0246 |
0.9 |
0.76 |
156.9 |
1.4 |
156.6 |
1.8 |
152.3 |
18.8 |
156.9 |
1.4 |
103.0 |
| Spot 29 |
273 |
8017 |
1.5 |
20.175 |
2.8 |
0.17 |
3.0 |
0.0249 |
1.2 |
0.41 |
158.4 |
1.9 |
159.4 |
4.4 |
174.7 |
64.2 |
158.4 |
1.9 |
90.7 |
| Spot 30 |
925 |
140874 |
1.7 |
20.1432 |
0.8 |
0.1746 |
2.8 |
0.0255 |
2.7 |
0.96 |
162.4 |
4.3 |
163.4 |
4.2 |
178.4 |
18.5 |
162.4 |
4.3 |
91.0 |
| Spot 16 |
2384 |
261425 |
2.8 |
20.221 |
0.3 |
0.1874 |
3.0 |
0.0275 |
3.0 |
1.00 |
174.8 |
5.2 |
174.4 |
4.8 |
169.4 |
6.5 |
174.8 |
5.2 |
103.2 |
| Spot 25 |
2386 |
163849 |
1.2 |
20.2407 |
0.4 |
0.1876 |
1.9 |
0.0275 |
1.9 |
0.98 |
175.1 |
3.3 |
174.6 |
3.1 |
167.1 |
9.1 |
175.1 |
3.3 |
104.8 |
| Spot 13 |
345 |
263729 |
1.2 |
13.3178 |
0.3 |
1.7011 |
1.2 |
0.1643 |
1.2 |
0.96 |
980.7 |
10.9 |
1008.9 |
8.0 |
1070.9 |
6.7 |
1070.9 |
6.7 |
91.6 |
| Spot 22 |
196 |
116391 |
1.5 |
10.9512 |
0.6 |
2.8722 |
5.5 |
0.2281 |
5.5 |
0.99 |
1324.7 |
65.7 |
1374.6 |
41.6 |
1453.1 |
11.6 |
1453.1 |
11.6 |
91.2 |
| Spot 28 |
65 |
66961 |
1.3 |
10.7998 |
1.2 |
3.2803 |
1.9 |
0.2569 |
1.4 |
0.75 |
1474.2 |
18.7 |
1476.4 |
14.6 |
1479.6 |
23.4 |
1479.6 |
23.4 |
99.6 |
| Spot 08 |
188 |
143296 |
3.2 |
9.1857 |
0.4 |
4.5558 |
0.8 |
0.3035 |
0.7 |
0.90 |
1708.7 |
11.2 |
1741.2 |
6.9 |
1780.5 |
6.6 |
1780.5 |
6.6 |
96.0 |
| Spot 03 |
322 |
4479 |
2.0 |
19.9129 |
6.5 |
0.1633 |
6.6 |
0.0236 |
1.2 |
0.17 |
150.3 |
1.7 |
153.6 |
9.4 |
205.1 |
151.3 |
150.3 |
1.7 |
73.3 |
| Spot 05 |
833 |
81199 |
4.0 |
20.1045 |
0.7 |
0.1642 |
1.0 |
0.0239 |
0.6 |
0.66 |
152.5 |
1.0 |
154.4 |
1.4 |
182.8 |
16.8 |
152.5 |
1.0 |
83.4 |
| Spot 04 |
689 |
69928 |
3.0 |
20.5148 |
1.7 |
0.1612 |
1.8 |
0.024 |
0.7 |
0.40 |
152.8 |
1.1 |
151.7 |
2.6 |
135.6 |
39.4 |
152.8 |
1.1 |
112.7 |
| Spot 21 |
902 |
47776 |
1.2 |
20.0469 |
0.9 |
0.1664 |
1.2 |
0.0242 |
0.8 |
0.67 |
154.1 |
1.2 |
156.3 |
1.7 |
189.5 |
19.9 |
154.1 |
1.2 |
81.3 |
| Spot 07 |
620 |
76807 |
2.0 |
20.0651 |
1.1 |
0.1662 |
1.7 |
0.0242 |
1.3 |
0.75 |
154.1 |
2.0 |
156.1 |
2.5 |
187.4 |
26.6 |
154.1 |
2.0 |
82.2 |
| Spot 11 |
230 |
19431 |
1.0 |
20.8042 |
5.0 |
0.1609 |
5.2 |
0.0243 |
1.6 |
0.30 |
154.6 |
2.4 |
151.5 |
7.4 |
102.6 |
117.7 |
154.6 |
2.4 |
150.7 |
| Spot 20 |
393 |
3257 |
3.3 |
19.6535 |
7.6 |
0.1715 |
7.6 |
0.0244 |
0.7 |
0.10 |
155.7 |
1.1 |
160.7 |
11.3 |
235.5 |
174.5 |
155.7 |
1.1 |
66.1 |
| Spot 02 |
372 |
2009 |
1.5 |
20.1355 |
3.8 |
0.1675 |
4.1 |
0.0245 |
1.6 |
0.38 |
155.8 |
2.4 |
157.2 |
6.0 |
179.3 |
89.5 |
155.8 |
2.4 |
86.9 |
| Spot 24 |
653 |
63885 |
3.6 |
20.13 |
1.9 |
0.1679 |
2.1 |
0.0245 |
0.9 |
0.41 |
156.1 |
1.3 |
157.6 |
3.1 |
179.9 |
45.0 |
156.1 |
1.3 |
86.8 |
| Spot 17 |
761 |
67118 |
1.4 |
20.0478 |
2.5 |
0.1701 |
2.8 |
0.0247 |
1.1 |
0.42 |
157.5 |
1.8 |
159.5 |
4.1 |
189.4 |
58.2 |
157.5 |
1.8 |
83.1 |
| Spot 12 |
1985 |
239106 |
2.8 |
20.123 |
0.5 |
0.1719 |
2.7 |
0.0251 |
2.6 |
0.99 |
159.7 |
4.1 |
161.1 |
4.0 |
180.7 |
10.7 |
159.7 |
4.1 |
88.4 |
| Spot 01 |
1049 |
79867 |
3.2 |
17.4229 |
1.3 |
0.234 |
1.6 |
0.0296 |
0.9 |
0.57 |
187.9 |
1.7 |
213.5 |
3.1 |
506.7 |
28.9 |
187.9 |
1.7 |
37.1 |
| Spot 27 |
2400 |
87027 |
3.4 |
20.2057 |
0.3 |
0.237 |
14.3 |
0.0347 |
14.3 |
1.00 |
220.1 |
30.9 |
216.0 |
27.8 |
171.1 |
5.8 |
220.1 |
30.9 |
128.6 |
| Spot 14 |
2408 |
282973 |
1.4 |
20.1855 |
0.3 |
0.2934 |
1.9 |
0.043 |
1.9 |
0.98 |
271.1 |
5.0 |
261.2 |
4.4 |
173.5 |
8.0 |
271.1 |
5.0 |
156.3 |
| Spot 09 |
2411 |
369525 |
0.8 |
20.2191 |
0.3 |
0.3736 |
1.7 |
0.0548 |
1.7 |
0.98 |
343.8 |
5.7 |
322.3 |
4.8 |
169.6 |
8.2 |
343.8 |
5.7 |
202.8 |
| Spot 18 |
2411 |
137571 |
1.1 |
20.2173 |
0.4 |
0.3786 |
2.4 |
0.0555 |
2.4 |
0.99 |
348.2 |
8.1 |
326.0 |
6.8 |
169.8 |
9.0 |
348.2 |
8.1 |
205.1 |
| Spot 23 |
2413 |
455836 |
1.2 |
20.183 |
0.2 |
0.4276 |
3.6 |
0.0626 |
3.6 |
1.00 |
391.4 |
13.8 |
361.5 |
11.1 |
173.8 |
5.1 |
391.4 |
13.8 |
225.3 |
| Spot 10 |
2412 |
364151 |
1.8 |
20.1993 |
0.2 |
0.4348 |
2.7 |
0.0637 |
2.7 |
1.00 |
398.1 |
10.5 |
366.6 |
8.4 |
171.9 |
5.5 |
398.1 |
10.5 |
231.6 |
| Spot 19 |
101 |
152677 |
2.3 |
14.3362 |
2.0 |
0.7745 |
8.7 |
0.0805 |
8.4 |
0.97 |
499.3 |
40.5 |
582.3 |
38.5 |
921.1 |
42.1 |
499.3 |
40.5 |
54.2 |
filename:22496.xml
