Strontium
laboratory number |
Run date
|
Depth (ft)
|
Depth (m)
|
Material
|
Sr Value
|
Corrected
Sr value |
Error
|
Age (Ma)
|
Age
(Ma)* |
Machine
|
---|---|---|---|---|---|---|---|---|---|---|
9 | 16-Jun-2004 | 342.5 |
104.39 |
Shell |
0.708448 |
0.708462 |
0.000007 |
20.4 |
|
Isoprobe |
6 | 16-Jun-2004 | 356 |
108.51 |
Shell |
0.708440 |
0.708454 |
0.000011 |
20.5 |
|
Isoprobe |
10 | 16-Jun-2004 | 356.2 |
108.57 |
Shell |
0.708447 |
0.708461 |
0.000008 |
20.4 |
|
Isoprobe |
23 | 20-Jun-2004 | 356.2 |
108.57 |
Shell |
0.708455 |
0.708469 |
0.000007 |
20.3 |
|
Isoprobe |
26 | 20-Jun-2004 | 356.2 |
108.57 |
Shell |
0.708440 |
0.708454 |
0.000005 |
20.5 |
|
Isoprobe |
11 | 16-Jun-2004 | 365.9 |
111.53 |
Shell |
0.708459 |
0.708473 |
0.000010 |
20.2 |
|
Isoprobe |
27 | 20-Jun-2004 | 365.9 |
111.53 |
Shell |
0.708954 |
0.708968 |
0.000007 |
8.5 |
|
Isoprobe |
3330 | 13-Jun-2002 | 371.65 |
113.28 |
Shell |
0.708423 |
|
0.000014 |
21.0 |
|
VG |
159 | 24-Sep-2004 | 384 |
117.04 |
Shell |
0.708499 |
0.708513 |
0.000006 |
19.6 |
|
Isoprobe |
160 | 24-Sep-2004 | 393.3 |
119.88 |
Shell |
0.708480 |
0.708494 |
0.000005 |
19.9 |
|
Isoprobe |
161 | 24-Sep-2004 | 396.6 |
120.88 |
Shell |
0.708480 |
0.708494 |
0.000005 |
19.9 |
|
Isoprobe |
7 | 16-Jun-2004 | 402 |
122.53 |
Shell |
0.708454 |
0.708468 |
0.000008 |
20.3 |
|
Isoprobe |
162 | 24-Sep-2004 | 402 |
122.53 |
Shell |
0.708543 |
0.708557 |
0.000005 |
19.0 |
|
Isoprobe |
12 | 16-Jun-2004 | 402.3 |
122.62 |
Shell |
0.708446 |
0.708460 |
0.000009 |
20.4 |
|
Isoprobe |
28 | 20-Jun-2004 | 402.3 |
122.62 |
Shell |
0.709155 |
0.709169 |
0.000004 |
0.9 |
|
Isoprobe |
163 | 24-Sep-2004 | 407.9 |
124.33 |
Shell |
0.708504 |
0.708518 |
0.000006 |
19.6 |
|
Isoprobe |
170 | 10-Oct-2004 | 407.9 |
124.33 |
Shell |
0.708516 |
0.708530 |
0.000005 |
19.4 |
|
Isoprobe |
13 | 16-Jun-2004 | 425.5 |
129.69 |
Shell |
0.707765 |
0.707779 |
0.000011 |
35.8 |
|
Isoprobe |
25 | 20-Jun-2004 | 425.5 |
129.69 |
Shell |
0.707777 |
0.707791 |
0.000005 |
35.4 |
|
Isoprobe |
3331 | 13-Jun-2002 | 452.7 |
137.98 |
Shell |
0.707731 |
0.707745 |
0.000006 |
36.7 |
|
VG |
8 | 16-Jun-2004 | 457 |
139.29 |
Shell |
0.707731 |
0.707745 |
0.000009 |
36.7 |
|
Isoprobe |
14 | 16-Jun-2004 | 457 |
139.29 |
Shell |
0.707752 |
0.707766 |
0.000009 |
36.1 |
|
Isoprobe |
172 | 10-Oct-2004 | 1000 |
304.80 |
Shell |
0.708043 |
0.708057 |
0.000004 |
28.4 |
|
Isoprobe |
173 | 10-Oct-2004 | 1011 |
308.15 |
Shell |
0.709158 |
0.709172 |
0.000004 |
0.8 |
|
Isoprobe |
174 | 10-Oct-2004 | 1016 |
309.68 |
Shell |
0.708163 |
0.708177 |
0.000004 |
25.7 |
|
Isoprobe |
175 | 10-Oct-2004 | 1026 |
312.72 |
Shell |
0.709170 |
0.709184 |
0.000004 |
0.4 |
|
Isoprobe |
176 | 10-Oct-2004 | 1031 |
314.25 |
Shell |
0.708186 |
0.708200 |
0.000005 |
25.3 |
|
Isoprobe |
15 | 16-Jun-2004 | 1033 |
314.86 |
Shell |
0.707671 |
0.707685 |
0.000008 |
72.1 |
|
Isoprobe |
16 | 16-Jun-2004 | 1042 |
317.60 |
Shell |
0.707623 |
0.707637 |
0.000013 |
74.7 |
|
Isoprobe |
195 | 18-Oct-2004 | 1045 |
318.52 |
Shell |
0.709163 |
0.709177 |
0.000008 |
0.6 |
|
Isoprobe |
17 | 16-Jun-2004 | 1060 |
323.09 |
Shell |
0.707596 |
0.707610 |
0.000007 |
76.2 |
|
Isoprobe |
67 | 2-Jul-2004 | 1073 |
327.05 |
Shell |
0.707619 |
0.707633 |
0.000006 |
75.0 |
|
Isoprobe |
3360 | 5-Nov-2002 | 1084.2 |
330.46 |
Shell |
0.707978 |
|
0.000010 |
55.9 |
|
VG |
68 | 2-Jul-2004 | 1096 |
334.06 |
Shell |
0.707605 |
0.707619 |
0.000005 |
75.7 |
|
Isoprobe |
69 | 2-Jul-2004 | 1170 |
356.62 |
Shell |
0.707615 |
0.707629 |
0.000006 |
75.2 |
|
Isoprobe |
70 | 2-Jul-2004 | 1191 |
363.02 |
Shell |
0.707619 |
0.707633 |
0.000024 |
75.0 |
|
Isoprobe |
131 | 28-Aug-2004 | 1191 |
363.02 |
Shell |
0.707614 |
0.707628 |
0.000018 |
75.2 |
|
Isoprobe |
65 | 2-Jul-2004 | 1237 |
377.04 |
Shell |
0.707488 |
0.707502 |
0.000004 |
82.2 |
|
Isoprobe |
66 | 2-Jul-2004 | 1249 |
380.70 |
Shell |
0.707489 |
0.707503 |
0.000004 |
82.1 |
|
Isoprobe |
3361 | 5-Nov-2002 | 1249.5 |
380.85 |
Shell |
0.707447 |
|
0.000018 |
85.2 |
|
VG |
74 | 9-Jul-2004 | 1314 |
400.51 |
Shell |
0.707405 |
0.707419 |
0.000004 |
86.0 | 94.8 |
Isoprobe |
75 | 9-Jul-2004 | 1331 |
405.69 |
Shell |
0.707341 |
0.707355 |
0.000005 |
88.0 | 92.3 |
Isoprobe |
76 | 9-Jul-2004 | 1340 |
408.43 |
Shell |
0.707844 |
0.707858 |
0.000004 |
62.6 |
Isoprobe |
|
117 | 18-Aug-2004 | 1354 |
412.70 |
Shell |
0.707424 |
0.707438 |
0.000005 |
85.3 |
Isoprobe |
|
118 | 18-Aug-2004 | 1365 |
416.05 |
Shell |
0.707435 |
0.707449 |
0.000004 |
84.8 |
Isoprobe |
|
119 | 18-Aug-2004 | 1370 |
417.58 |
Shell |
0.707413 |
0.707427 |
0.000004 |
85.7 | 95.8 |
Isoprobe |
120 | 18-Aug-2004 | 1376 |
419.40 |
Shell |
0.707437 |
0.707451 |
0.000005 |
84.7 |
Isoprobe |
|
121 | 18-Aug-2004 | 1384.7 |
422.06 |
Shell |
0.707417 |
0.707431 |
0.000006 |
85.6 | 98.0 |
Isoprobe |
122 | 18-Aug-2004 | 1413.5 |
430.83 |
Shell |
0.707419 |
0.707433 |
0.000005 |
85.5 | 99.3 |
Isoprobe |
Note: VG = VG Sector Mass Spectrometer. * = from Howarth and McArthur.