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Table T20. Interstitial water data determined by the ground rock interstitial normative determination (GRIND) method, Hole C0002P.

Core, section,
interval (cm)
Depth
(mbsf)
pH* Salinity* Chlorinity
(mM)
Br
(mM)
SO42–
(mM)
PO43–
(µM)
NH4+
(mM)
Na+
(mM)
K+
(mM)
Mg2+
(mM)
Ca2+
(mM)
B
(µM)
Ba
(µM)
Fe
(µM)
Li
(µM)
Mn
(µM)
Si
(µM)
Sr
(µM)
V
(nM)
Cu
(nM)
Dilution ratio based on 60°C wet-dry determination of pore water
348-C0002P-
2R-3, 96–137.5 2176.3 7.85 1.3359 1,129 0.7 8.8 33.0 5.2 1,041 47.1 9.5 33.2 1,816 102.6 ND 485 3.2 564 349.3 79.4 7,698
3R-2, 84–104 2184.2 7.62 1.3347 459 0.4 4.8 ND 1.8 446 4.3 1.6 7.7 1,004 57.4 ND 205 1.1 387 83.8 28.4 6,385
4R-2 47–57 2193.1 7.29 1.3363 947 0.6 4.5 ND 3.9 869 20.1 7.5 29.6 917 160.4 ND 321 2.7 382 344.3 44.6 4,206
5R-2, 89–99 2203.3 7.35 1.3348 413 0.4 3.8 ND 1.3 409 2.2 1.2 7.1 780 54.8 ND 153 0.8 268 81.1 62.4 694
6R-2, 80–90 (Split 1) 2211.2 7.27 1.3359 694 0.4 3.5 32.4 2.4 653 8.3 4.6 18.8 722 120.4 ND 282 1.7 261 219.0 52.9 3,629
6R-2, 80–90 (Split 2) 2211.2 7.39 1.3363 814 0.5 3.8 ND 2.4 763 10.4 6.5 25.4 697 144.6 2.0 323 1.8 238 296.4 30.4 2,915
Dilution ratio based on 105°C wet-dry determination of pore water
348-C0002P-
2R-3, 96–137.5 2176.3 7.85 1.3359 734 21.5 3.4 0.5 5.7 677 30.6 6.2 21.6 1,181 66.7 ND 315 2.1 367 227.2 51.6 5,007
3R-2, 84–104 2184.2 7.62 1.3347 428 ND 1.6 0.3 4.5 416 4.0 1.5 7.1 936 53.5 ND 191 1.1 361 78.2 26.5 5,954
4R-2 47–57 2193.1 7.29 1.3363 848 ND 3.5 0.5 4.1 778 18.0 6.7 26.5 821 143.6 ND 288 2.4 342 308.2 39.9 3,765
5R-2, 89–99 2203.3 7.35 1.3348 387 ND 1.2 0.4 3.6 383 2.1 1.1 6.6 729 51.3 ND 143 0.7 251 75.9 58.3 649
6R-2, 80–90 (Split 1) 2211.2 7.27 1.3359 629 29.3 2.2 0.4 3.2 592 7.5 4.2 17.0 655 109.2 ND 256 1.5 237 198.6 48.0 3,291
6R-2, 80–90 (Split 2) 2211.2 7.39 1.3363 733 ND 2.2 0.5 3.4 686 9.3 5.8 22.8 627 130.2 ND 291 1.6 214 266.8 27.4 2,624

* = values not corrected for 10× dilution. ND = not detected.

Core, section,
interval (cm)
Depth
(mbsf)
Zn
(nM)
As
(nM)
Rb
(nM)
Mo
(nM)
Cs
(nM)
Pb
(nM)
U
(nM)
Dilution ratio based on 60°C wet-dry determination of pore water
348-C0002P-
2R-3, 96–137.5 2176.3 3,286 350 6,397 20,594 55.8 22.9 19.5
3R-2, 84–104 2184.2 1,700 400 883 6,067 11.8 14.0 3.7
4R-2 47–57 2193.1 2,037 472 2,319 11,399 26.5 10.7 8.4
5R-2, 89–99 2203.3 286 758 499 20,155 9.3 ND 5.9
6R-2, 80–90 (Split 1) 2211.2 1,434 342 1,107 19,010 17.2 ND 1.8
6R-2, 80–90 (Split 2) 2211.2 566 274 1,138 19,262 14.2 10.0 2.2
Dilution ratio based on 105°C wet-dry determination of pore water
348-C0002P-
2R-3, 96–137.5 2176.3 2,138 228 4,161 13,396 36.3 14.9 12.7
3R-2, 84–104 2184.2 1,585 373 823 5,657 11.0 13.1 3.4
4R-2 47–57 2193.1 1,823 423 2,076 10,204 23.8 9.6 7.6
5R-2, 89–99 2203.3 268 709 467 18,848 8.7 ND 5.6
6R-2, 80–90 (Split 1) 2211.2 1,300 310 1,004 17,238 15.6 ND 1.7
6R-2, 80–90 (Split 2) 2211.2 566 246 1,024 17,338 12.8 9.0 1.9

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