Table T5. Sr-isotopic data, Ocean View borehole, Leg 174AX.
|
Sample depth
(ft)
|
Sample
depth (m) |
Material
|
87Sr/86Sr
ratio |
Analytical
error (2
 )
|
CK92 age
Oslick (Ma)
|
CK92 age
Martin (Ma) |
BKSA95 age
Reilly (Ma) |
|
|---|---|---|---|---|---|---|---|---|
| 293.3 | 89.4 | Shell | 0.708834 | 0.000005 | 13.5 | 11.6 | — | |
| 309.4 | 94.31 | Shell | 0.708865 | 0.000010 | 12.4 | 10.0 | — | |
| 312.1 | 95.13 | Shell | 0.708834 | 0.000050 | 13.5 | 11.6 | — | |
| 312.1 | 95.13 | Shell | 0.708821 | 0.000005 | 14.0 | 12.2 | — | Duplicate |
| 325.3 | 99.15 | Shell | 0.708846 | 0.000005 | 13.1 | 11.0 | — | |
| 326.9 | 99.64 | Shell | 0.708829 | 0.000015 | 13.7 | 11.8 | — | |
| 326.9 | 99.64 | Shell | 0.708824 | 0.000006 | 13.9 | 12.1 | — | Duplicate |
| 327 | 99.67 | Shell | 0.708837 | 0.000006 | 13.4 | 11.4 | — | |
| 335.8 | 102.35 | Shell | 0.708847 | 0.000008 | 13.1 | 10.9 | — | |
| 335.8 | 102.35 | Shell | 0.708844 | 0.000005 | 13.2 | 11.1 | — | Duplicate |
| 369.9 | 112.75 | Shell | 0.708864 | 0.000011 | 12.4 | 10.1 | — | |
| 369.9 | 112.75 | Shell | 0.708832 | 0.000004 | 13.6 | 11.7 | — | Duplicate |
| 397.12 | 121.04 | Shell | 0.708819 | 0.000008 | 14.1 | 12.3 | — | |
| 427.1 | 130.18 | Shell | 0.708769 | 0.000009 | 15.9 | — | — | |
| 428 | 130.45 | Shell | 0.708773 | 0.000006 | 15.8 | — | — | |
| 431 | 131.37 | Shell | 0.708792 | 0.000006 | 15.1 | — | — | |
| 441.5 | 134.57 | Shell | 0.708769 | 0.000014 | 15.9 | — | — | |
| 460.65 | 140.41 | Shell | 0.708760 | 0.000006 | 16.0 | — | — | |
| 465.1 | 141.76 | Shell | 0.708700 | 0.000006 | 16.9 | — | — | |
| 475 | 144.78 | Shell | 0.708734 | 0.000005 | 16.4 | — | — | |
| 480.7 | 146.52 | Shell | 0.708692 | 0.000005 | 17.0 | — | — | |
| 490.9 | 149.63 | Shell | 0.708700 | 0.000005 | 16.9 | — | — | |
| 497.7 | 151.7 | Shell | 0.708703 | 0.000005 | 16.9 | — | — | |
| 502.91 | 153.29 | Shell | 0.708695 | 0.000007 | 17.0 | — | — | |
| 514.5 | 156.82 | Shell | 0.708715 | 0.000008 | 16.7 | — | — | |
| 515 | 156.97 | Shell | 0.708674 | 0.000005 | 17.3 | — | — | |
| 522.37 | 159.22 | Shell | 0.708680 | 0.000005 | 17.2 | — | — | |
| 526.42 | 160.45 | Shell | 0.708676 | 0.000005 | 17.3 | — | — | |
| 531.6 | 162.03 | Shell | 0.708677 | 0.000006 | 17.2 | — | — | |
| 563.75 | 171.83 | Shell | 0.708654 | 0.000005 | 17.6 | — | — | |
| 563.75 | 171.83 | Shell | 0.708654 | 0.000005 | 17.6 | — | — | Duplicate |
| 600.75 | 183.11 | Shell | 0.708668 | 0.000006 | 17.4 | — | — | |
| 609.58 | 185.8 | Shell | 0.708665 | 0.000005 | 17.4 | — | — | |
| 609.58 | 185.8 | Shell | 0.708777 | 0.000010 | 15.8 | — | — | Duplicate |
| 623.38 | 190.01 | Shell | 0.708659 | 0.000006 | 17.5 | — | — | |
| 625.75 | 190.73 | Shell | 0.708631 | 0.000005 | 17.9 | — | — | |
| 632.29 | 192.72 | Shell | 0.708644 | 0.000007 | 17.7 | — | — | |
| 633.06 | 192.96 | Shell | 0.708639 | 0.000005 | 17.8 | — | — | |
| 641 | 195.38 | Shell | 0.708511 | 0.000007 | 19.7 | — | — | |
| 651.5 | 198.58 | Shell | 0.708489 | 0.000006 | 20.0 | — | — | |
| 655.5 | 199.8 | Shell | 0.708491 | 0.000010 | 20.0 | — | — | |
| 661.5 | 201.63 | Shell | 0.708486 | 0.000011 | 20.0 | — | — | |
| 676.35 | 206.15 | Shell | 0.708493 | 0.000006 | 19.9 | — | — | |
| 676.35 | 206.15 | Shell | 0.708445 | 0.000005 | 20.6 | — | — | Duplicate |
| 681.8 | 207.81 | Shell | 0.708455 | 0.000007 | 20.5 | — | — | |
| 681.8 | 207.81 | Shell | 0.708459 | 0.000015 | 20.4 | — | — | Duplicate |
| 701.9 | 213.94 | Shell | 0.708455 | 0.000004 | 20.5 | — | — | |
| 717.13 | 218.58 | Shell | 0.708473 | 0.000005 | 20.2 | — | — | |
| 735.5 | 224.18 | Shell | 0.708461 | 0.000006 | 20.4 | — | — | |
| 735.5 | 224.18 | Shell | 0.708465 | 0.000006 | 20.3 | — | — | Duplicate |
| 737.35 | 224.74 | Shell | 0.708445 | 0.000006 | 20.6 | — | — | |
| 825.25 | 251.54 | Shell | 0.708518 | 0.000009 | 19.6 | — | — | |
| 825.25 | 251.54 | Shell | 0.708458 | 0.000006 | 20.5 | — | — | Duplicate |
| 828.45 | 252.51 | Shell | 0.708442 | 0.000004 | 20.7 | — | — | Duplicate |
| 844.6 | 257.43 | Shell | 0.708459 | 0.000004 | 20.4 | — | — | |
| 844.6 | 257.43 | Shell | 0.708433 | 0.000006 | 20.8 | — | — | Duplicate |
| 844.6 | 257.43 | Shell | 0.708482 | 0.000005 | 20.1 | — | — | Duplicate |
| 861.55 | 262.6 | Shell | 0.708426 | 0.000013 | 20.9 | — | — | |
| 871 | 265.48 | Shell | 0.708449 | 0.000005 | 20.6 | — | — | |
| 878.6 | 267.8 | Shell | 0.708445 | 0.000006 | 20.6 | — | — | |
| 878.6 | 267.8 | Shell | 0.708403 | 0.000007 | 21.3 | — | — | Duplicate |
| 878.6 | 267.8 | Shell | 0.708472 | 0.000004 | 20.2 | — | — | Duplicate |
| 890 | 271.27 | Shell | 0.708424 | 0.000008 | 20.9 | — | — | |
| 892 | 271.88 | Shell | 0.708400 | 0.000005 | 21.3 | — | — | |
| 895 | 272.8 | Shell | 0.708318 | 0.000009 | 22.5 | — | 23.0 | |
| 895.3 | 272.89 | Shell | 0.708280 | 0.000006 | 23.8 | — | 23.7 | |
| 895.5 | 272.95 | Shell | 0.708318 | 0.000009 | 22.5 | — | 23.0 | |
| 897 | 273.41 | Shell | 0.708214 | 0.000008 | 25.0 | — | 25.0 | |
| 900.6 | 274.5 | Shell | 0.708197 | 0.000018 | 25.4 | — | 25.3 | |
| 901 | 274.62 | Shell | 0.708220 | 0.000007 | 24.9 | — | 24.9 | |
| 911 | 277.67 | Shell | 0.708221 | 0.000010 | 24.9 | — | 24.9 | |
| 931 | 283.77 | Shell | 0.708210 | 0.000005 | 25.1 | — | 25.1 | |
| 941 | 286.82 | Shell | 0.708202 | 0.000006 | 25.3 | — | 25.2 | |
| 956 | 291.39 | Shell | 0.708133 | 0.000005 | 26.6 | — | 26.6 | |
| 978 | 298.09 | Shell | 0.708143 | 0.000006 | 26.4 | — | 26.4 | |
| 999 | 304.5 | Shell | 0.708130 | 0.000006 | 26.7 | — | 26.7 | |
| 1031 | 314.25 | Shell | 0.708059 | 0.000006 | 28.3 | — | 28.4 | |
| 1050.7 | 320.24 | Shell | 0.708035 | 0.000005 | 29.0 | — | 29.0 | |
| 1076 | 327.96 | Shell | 0.707994 | 0.000006 | 30.1 | — | 30.1 | |
| 1086 | 331.01 | Shell | 0.707983 | 0.000005 | 30.4 | — | 30.4 | |
| 1096 | 334.06 | Shell | 0.707960 | 0.000006 | 31.0 | — | 31.0 | |
| 1135.7 | 346.16 | Shell | 0.707893 | 0.000007 | 32.9 | — | 32.8 | |
| 1141 | 347.78 | Shell | 0.707898 | 0.000008 | 32.7 | — | 32.6 | |
| 1151 | 350.8 | Shell | 0.707877 | 0.000006 | 33.3 | — | 33.2 | |
| 1155.5 | 352.3 | Shell | 0.707832 | 0.000006 | 34.5 | — | 34.4 |
Note: — = outside of meaningful range.