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Table T5. Geochemical data relating to the interstitial water collected from transect HYD-01C.

Core, section,
interval (cm) 		Depth
(mbsf) 		Sample
ID 		pH Alk
(mM) 		NH4
(µM) 		Ca
(mM) 		Si
(µM) 		Sr
(µM) 		Mg
(mM) 		B
(µM) 		K
(mM) 		S
(mM) 		Na
(mM) 		Ba
(nM) 		Li
(µM) 		Al
(µM) 		As
(nM) 		Be
(nM) 		Cd
(nM)
325-
M0031A-10R-1, 15 20.65 S1 7.66 6.58 114 11.3 73.2 90.6 49.7 444 9.61 26.3 437 132 24.5 46.2 0 191 25
M0033A-21R-1, 38 27.18 S3 7.63 3.17 30 9.8 60.4 91.9 51.7 454 10.06 27.1 464 71 27.7 55.4 350 106 0
M0033A-22R-1, 42 28.72 S4 7.54 2.67 13 10.5 46.4 100.6 53.3 436 10.24 29.0 478 93 24.2 48.4 349 119 0
M0035A-13R-1, 30 16.78 S6 7.65 4.67 28                            
M0036A-4R-1, 76 4.26 S7 7.44 7.47 5                            
M0036A-14R-1, 25 18.75 S8 7.60 5.99 0 10.5 66.2 94.6 47.0 400 9.14 25.1 436 102 21.3 59.4 0 125 0
M0036A-21R-2, 6 29.90 S9 7.89 5.48 705 9.0 155.3 136.7 48.1 595 9.86 24.9 452 107 39.8 50.6 237 102 0
M0037A-1R-1, 30 0.30 S10 7.61 2.33 8 10.2 55.7 89.7 52.8 427 10.37 28.6 476 64 25.2 46.3 0 84 0
M0037A-1R-2, 15 1.65 S11 7.77 2.30 10 10.0 48.6 87.9 52.8 420 10.95 28.7 472 49 27.0 41.0 133 144 0
M0037A-7R-1, 8 9.58 12 7.59 3.11 40                            
M0037A-9R-1, 30 12.80 S13 7.68 3.43 38 10.3 67.4 102.7 52.5 443 10.19 27.8 454 57 26.6 40.5 99 101 0
M0037A-10R-1, 126 15.26 S14 7.66 3.09 63 10.3 85.8 118.0 53.0 449 10.19 28.6 470 76 27.2 46.8 0 131 1
M0037A-13R-1, 27 18.27 S15 7.66 3.02 112 10.4 102.6 133.1 53.0 447 10.21 28.7 460 69 27.5 45.6 385 125 4
M0039A-5R-1, 28 6.28 S16 7.72 3.76 17 9.1 53.3 72.2 50.3 409 9.67 26.0 404 92 26.4 46.9 0 98 0
M0039A-20R-1, 19 25.59 S17 7.54 5.25 17 10.0 43.7 76.6 44.3 355 8.65 23.6 382 113 21.8 36.0 350 111 0
M0039A-21R-1, 18 27.08 S18 7.66 3.34 14 10.5 52.5 96.3 52.9 437 10.26 28.5 447 100 24.2 45.8 51 74 0

Core, section,
interval (cm) 		Depth
(mbsf) 		Sample
ID 		Co
(nM) 		Cr
(nM) 		Cu
(nM) 		Fe
(µM) 		Mn
(µM) 		Mo
(nM) 		Ni
(nM) 		P
(µM) 		Pb
(nM) 		Ti
(nM) 		V
(nM) 		Zn
(µM) 		Zr
(nM) 		Cl
(mM) 		Br
(µM) 		SO4
(mM)
325-
M0031A-10R-1, 15 20.65 S1 41 32 0 13.13 1.45 143 443 2.97 23 0 210 5.60 716 517 802 26.9
M0033A-21R-1, 38 27.18 S3 0 0 0 1.59 0.02 0 30 4.71 0 0 137 3.97 432 557 855 28.1
M0033A-22R-1, 42 28.72 S4 0 0 0 0.93 0.00 0 0 2.06 0 0 267 3.80 343 567 879 29.5
M0035A-13R-1, 30 16.78 S6                                
M0036A-4R-1, 76 4.26 S7                                
M0036A-14R-1, 25 18.75 S8 27 0 0 3.68 0.13 0 45 13.97 42 0 123 4.12 202 544 845 28.3
M0036A-21R-2, 6 29.90 S9 0 58 86 0.96 0.06 0 45 3.48 0 0 198 3.74 323 554 861 25.6
M0037A-1R-1, 30 0.30 S10 49 0 0 7.95 0.36 0 0 1.11 0 0 0 3.55 245 569 889 29.8
M0037A-1R-2, 15 1.65 S11 0 0 0 1.03 0.52 0 61 1.89 8 0 140 3.58 254 562 878 29.4
M0037A-7R-1, 8 9.58 12                                
M0037A-9R-1, 30 12.80 S13 0 0 0 1.38 0.01 0 0 1.82 0 0 487 4.17 297 553 862 28.6
M0037A-10R-1, 126 15.26 S14 0 0 0 1.10 0.01 0 32 2.64 0 3 97 4.51 282 570 888 29.4
M0037A-13R-1, 27 18.27 S15 0 0 0 1.33 0.01 0 0 2.05 14 0 408 3.67 328 569 892 29.6
M0039A-5R-1, 28 6.28 S16 37 0 276 0.97 0.10 0 66 5.48 0 0 378 4.05 394 518 804 26.7
M0039A-20R-1, 19 25.59 S17 0 0 206 1.31 0.45 1776 133 12.32 0 99 128 4.14 287      
M0039A-21R-1, 18 27.08 S18 0 0 0 0.88 0.04 492 1 3.09 0 0 370 3.69 291 547 853 28.8

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