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Table T3. Results of velocity experiments made at elevated pressures for a subset of 29 samples from Leg 169 Holes 856H, 1035D, 1035E, 1035H, and 1037B.
| Core, section, interval (cm) | Orientation | Lithologic unit/subunit |
Density (g/cm3) | Porosity (%) | Mode | Velocity (m/s) | Comments | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 MPa |
10 MPa |
15 MPa |
20 MPa |
25 MPa |
30 MPa |
35 MPa |
40 MPa |
50 MPa |
60 MPa |
70 MPa |
80 MPa |
90 MPa |
100 MPa |
|||||||
169-856H- |
||||||||||||||||||||
25R-2, 62-64 |
h |
VIA |
3.97 |
39.2 |
P |
2891 |
2910 |
2930 |
Sample |
Laminated |
||||||||||
S1 |
1619 |
1663 |
1628 |
failure at |
||||||||||||||||
S2 |
1971 |
1684 |
1668 |
30 MPa |
||||||||||||||||
26R-1, 91-93 |
h |
VIB |
2.37 |
25.2 |
P |
3411 |
3512 |
3433 |
3368 |
3286 |
3306 |
3325 |
3424 |
3509 |
3603 |
3729 |
Small sulfide blebs |
|||
S1 |
2034 |
2050 |
2066 |
2042 |
1836 |
1814 |
1826 |
1869 |
1955 |
2006 |
2105 |
|||||||||
S2 |
2017 |
2032 |
2048 |
2029 |
1837 |
1818 |
1835 |
1881 |
1960 |
2023 |
2098 |
|||||||||
30R-1, 43-45 |
h |
VIB |
2.47 |
15.8 |
P |
4485 |
4523 |
4582 |
4523 |
4562 |
4582 |
4582 |
Disseminated sulfide |
|||||||
S1 |
2760 |
2804 |
2819 |
2834 |
2841 |
2849 |
2865 |
|||||||||||||
S2 |
2735 |
2763 |
2771 |
2771 |
2800 |
2793 |
2807 |
|||||||||||||
43R-1, 122-124 |
h |
IIA |
2.30 |
27.1 |
P |
3445 |
3474 |
3468 |
3492 |
3500 |
3480 |
3431 |
Deformed sandstone laminae | |||||||
S1 |
2005 |
2015 |
2031 |
2037 |
2038 |
2022 |
1993 |
|||||||||||||
S2 |
1889 |
1924 |
1933 |
1943 |
1943 |
1927 |
1880 |
|||||||||||||
45R-1, 16-18 |
h |
IIA |
2.37 |
23.1 |
P |
4023 |
4037 |
4065 |
4079 |
4107 |
4010 |
4051 |
3996 |
Thinly bedded turbidite, pyrite spots | ||||||
S1 |
2281 |
2299 |
2321 |
2340 |
2339 |
2317 |
2290 |
2231 |
||||||||||||
S2 |
2342 |
2385 |
2424 |
2434 |
2439 |
2424 |
2414 |
2370 |
||||||||||||
47R-1, 118-120 |
h |
IIA |
2.43 |
19.1 |
P |
4085 |
4091 |
4119 |
4160 |
4174 |
4216 |
4065 |
4039 |
4025 |
Thinly bedded turbidite | |||||
S1 |
2454 |
2484 |
2524 |
2539 |
2529 |
2513 |
2484 |
2454 |
2430 |
|||||||||||
S2 |
2355 |
2391 |
2433 |
2452 |
2457 |
2438 |
2391 |
2368 |
2333 |
|||||||||||
48R-1, 36-38 |
h |
IIA |
2.29 |
29.2 |
P |
3467 |
3503 |
3502 |
3511 |
3510 |
3499 |
3493 |
Finely laminated |
|||||||
S1 |
1869 |
1883 |
1889 |
1889 |
1891 |
1887 |
1868 |
|||||||||||||
S2 |
2143 |
2161 |
2164 |
2163 |
2159 |
2153 |
2137 |
|||||||||||||
50R-1, 132-134 |
h |
IIA |
2.42 |
21.2 |
P |
4195 |
4374 |
4393 |
4430 |
4450 |
4508 |
Thin-bedded, parallel laminae | ||||||||
S1 |
2504 |
2516 |
2529 |
2560 |
2593 |
2612 |
||||||||||||||
S2 |
2320 |
2402 |
2419 |
2453 |
2465 |
2483 |
||||||||||||||
60R-2, 26-28 |
h |
VII |
2.86 |
4.8 |
P |
5865 |
5958 |
5988 |
6028 |
6087 |
6112 |
6121 |
6243 |
6276 |
6319 |
Phenocrysts, veins, and fractures | ||||
S1 |
3315 |
3289 |
3298 |
3321 |
3329 |
3332 |
3348 |
3363 |
3375 |
3396 |
||||||||||
S2 |
3267 |
3282 |
3302 |
3321 |
3329 |
3352 |
3363 |
3392 |
3406 |
3422 |
||||||||||
62R-1, 72-74 |
h |
VII |
2.61 |
9.4 |
P |
5015 |
5085 |
5133 |
5206 |
5230 |
5255 |
5281 |
5230 |
5255 |
5255 |
Laminated |
||||
S1 |
3343 |
3375 |
3324 |
3344 |
3427 |
3438 |
3449 |
3364 |
3426 |
3244 |
||||||||||
S2 |
3165 |
3175 |
3212 |
3240 |
3240 |
3279 |
4301 |
3309 |
3328 |
3328 |
||||||||||
64R-1, 91-93 |
h |
VIII |
2.50 |
18.4 |
P |
4187 |
4268 |
4276 |
4310 |
4284 |
4310 |
4344 |
4369 |
4335 |
4323 |
4333 |
4351 |
4358 |
4386 |
Veins and blebs of chlorite, quartz |
S1 |
2431 |
2440 |
2443 |
2457 |
2456 |
2460 |
2453 |
2460 |
2450 |
2447 |
2450 |
2450 |
2444 |
2444 |
||||||
S2 |
2406 |
2421 |
2426 |
2437 |
2442 |
2451 |
2453 |
2456 |
2451 |
2461 |
2458 |
2248 |
2453 |
2447 |
||||||
169-1035D- |
||||||||||||||||||||
17X-1, 16-18 |
h |
VIB |
2.40 |
20.0 |
P |
3619 |
3664 |
3680 |
3704 |
3714 |
3726 |
3732 |
3774 |
3788 |
3793 |
3678 |
Faintly laminated; altered | |||
S1 |
2186 |
2193 |
2209 |
2226 |
2225 |
2224 |
2214 |
2214 |
2195 |
2162 |
2140 |
|||||||||
S2 |
2259 |
2262 |
2284 |
2292 |
2306 |
2306 |
2310 |
2321 |
2321 |
2305 |
2280 |
|||||||||
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