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Table T4. Geochemical data relating to interstitial water collected from transect HYD-02A.

Hole, 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)
325-
M0040A-1R-1, 75 0.75 S19 7.77 2.65 45 10.6 103.3 105.3 53.1 427 10.33 28.7 467 76 25.6 41.9 68
M0040A-1R-2, 21 1.72 S20 7.71 3.04 42 10.6 107.1 108.5 53.4 433 10.41 28.8 470 74 26.3 40.4 0
M0040A-10R-1, 36 14.36 S21 7.81 3.44 61 9.8 81.3 96.6 51.5 455 10.13 26.4 442 74 28.8 40.4 0
M0040A-12R-1, 92 19.42 S22 7.70 2.79 30 10.6 91.9 114.1 53.4 443 10.28 29.2 446 74 25.3 47.2 0
M0041A-1R-1, 27 0.27 S23 7.64 2.75 27 10.3 97.5 98.5 52.8 451 10.48 28.7 465 71 24.8 44.1 0
M0041A-8R-1, 42 13.32 S24 7.76 2.94 30 10.5 69.1 110.1 53.5 451 10.29 28.8 466 82 26.2 42.3 0
M0041A-10R-1, 72 16.82 S25 7.72 2.84 34 10.5 72.8 111.9 53.6 446 10.28 29.4 472 70 27.4 42.2 138
M0041A-11R-1, 60 18.20 S26 7.71 2.61 32 10.6 69.6 115.1 53.8 441 10.27 29.7 457 75 25.2 39.4 0
M0041A-12R-1, 29 19.39 S27 7.67 2.81 29 10.6 76.4 116.3 53.8 442 10.31 29.1 469 74 25.3 44.0 28
M0041A-12R-1, 130 20.40 S28 7.67 2.56 30 10.6 80.9 116.8 53.8 445 10.32 28.9 472 80 26.0 44.0 0
M0042A-13R-1, 36 17.86 S29 7.70 4.42 2 11.5 29.1 102.9 49.5 421 9.87 26.1 424 94 24.6    
M0042A-29R-1, 25 44.65 S30 7.64 5.25 0 14.6 57.5 103.7 39.9 421 9.69 18.5 427 127 24.5 46.1 0
M0043A-2R-1, 33 2.53 S31 7.84 3.11 0 10.0 42.0 81.8 53.4 455 10.25 28.4 459 75 25.4 50.3 0
M0043A-10R-1, 26 14.26 S32 7.61 5.05 40                        
M0043A-18R-1, 7 26.07 S33 7.95 7.06 0                        
M0043A-18R-1, 15 26.15 S34 7.79 3.34 32 10.4 41.1 97.5 52.4 432 10.03 27.3 441 71 24.1 44.0 183
M0046A-13R-CC, 3 29.37 S35 7.73 6.59 10 9.1 38.5 65.3 53.9 447 10.01 26.8 449 62 26.9 37.1 70
M0046A-13R-CC, 6 29.34 S36 7.71 4.98 39                        
M0047A-8R-1, 14 18.34 S37 7.77 5.17 14                        
M0047A-8R-1, 20 18.40 S38 7.69 4.01 30 10.0 38.9 96.9 52.1 432 9.92 27.3 438 67 24.5 48.9 0

Hole, core, section,
interval (cm) 		Depth
(mbsf) 		Sample
ID 		Be
(nM) 		Cd
(nM) 		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)
325-
M0040A-1R-1, 75 0.75 S19 167 0 0 0 0 0.98 0.29 0 0 2.65 0 50 7 3.87 256
M0040A-1R-2, 21 1.72 S20 54 0 0 0 0 1.24 0.28 0 0 1.55 0 0 0 3.37 262
M0040A-10R-1, 36 14.36 S21 94 0 0 0 0 1.03 0.01 0 38 4.09 0 0 531 3.74 222
M0040A-12R-1, 92 19.42 S22 135 0 0 0 0 1.87 0.06 0 12 2.37 0 5 0 5.37 308
M0041A-1R-1, 27 0.27 S23 102 11 23 0 0 1.18 0.25 0 0 3.95 0 0 0 3.36 295
M0041A-8R-1, 42 13.32 S24 141 0 0 0 0 0.94 0.02 0 2 1.15 0 0 133 3.96 257
M0041A-10R-1, 72 16.82 S25 71 0 0 0 0 0.96 0.05 0 0 32.92 0 0 153 3.27 238
M0041A-11R-1, 60 18.20 S26 93 0 0 0 0 1.64 0.03 0 0 1.19 0 0 65 3.53 262
M0041A-12R-1, 29 19.39 S27 108 0 0 0 0 1.32 0.02 0 36 1.86 2 0 0 3.87 327
M0041A-12R-1, 130 20.40 S28 103 0 0 0 0 2.24 0.04 0 36 0.78 0 1 87 3.66 228
M0042A-13R-1, 36 17.86 S29                              
M0042A-29R-1, 25 44.65 S30 80 0 0 0 0 1.40 0.12 189 101 7.41 0 0 0 3.83 308
M0043A-2R-1, 33 2.53 S31 58 0 121 0 0 1.03 0.10 0 133 1.33 0 0 150 3.55 341
M0043A-10R-1, 26 14.26 S32                              
M0043A-18R-1, 7 26.07 S33                              
M0043A-8R-1, 15 26.15 S34 99 0 47 0 0 1.10 0.05 0 161 2.97 0 0 0 4.44 330
M0046A-13R-CC, 3 29.37 S35   0 22 0 0 0.87 0.01 306 36 8.21 0 0 1528 2.92 412
M0046A-13R-CC, 6 29.34 S36                              
M0047A-8R-1, 14 18.34 S37 123                            
M0047A-8R-1, 20 18.40 S38   0 0 0 0 0.83 0.00 0 0 3.24 0 0 537 3.61 347

Hole, core, section,
interval (cm) 		Depth
(mbsf) 		Sample ID Cl
(mM) 		Br
(µM) 		SO4
(mM)
325-
M0040A-1R-1, 75 0.75 S19 570 890 29.8
M0040A-1R-2, 21 1.72 S20 565 907 29.8
M0040A-10R-1, 36 14.36 S21 541 871 27.1
M0040A-12R-1, 92 19.42 S22 564 899 29.8
M0041A-1R-1, 27 0.27 S23 566 897 29.8
M0041A-8R-1, 42 13.32 S24 567 901 29.6
M0041A-10R-1, 72 16.82 S25 569 903 29.6
M0041A-11R-1, 60 18.20 S26 563 908 29.7
M0041A-12R-1, 29 19.39 S27 552 890 29.1
M0041A-12R-1, 130 20.40 S28 569 920 30.1
M0042A-13R-1, 36 17.86 S29 538 867 26.7
M0042A-29R-1, 25 44.65 S30 517 835 19.2
M0043A-2R-1, 33 2.53 S31 563 914 29.3
M0043A-10R-1, 26 14.26 S32      
M0043A-18R-1, 7 26.07 S33      
M0043A-8R-1, 15 26.15 S34 552 890 29.0
M0046A-13R-CC, 3 29.37 S35      
M0046A-13R-CC, 6 29.34 S36      
M0047A-8R-1, 14 18.34 S37      
M0047A-8R-1, 20 18.40 S38 549 891 28.6

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