Table T13. Analyses of the cations present in the supernatant and water-soluble sulfate measurements by IC and ICP-AES, Hole 1188A.

Table T13. Analyses of the cations present in the supernatant and water-soluble sulfate measurements by IC and ICP-AES, Hole 1188A.

Core, section, interval (cm): 193-1188A-

8R-1,124

14R-1, 44

15R-1, 10

16R-2,12

20R-1, 75

Curated depth (mbsf):

59.14

116.47

125.80

136.98

174.64

Sulfur analysis (wt%):

TS 5.63 4.64 19.40 3.63 6.31

S in LOI 0.63 0.69 ND BD BD

S in soluble sulfate 4.93 3.98 ND 3.39 6.31

S in sulfide 0.77 0.88 ND 0.23 0.33

Major cations associated with sulfates:

CaO (wt%) 2.05 1.96 ND 3.86 2.31

Ba (ppm) 316 361 ND 170 93

Na₂O (wt%) 0.380 0.331 0.120 0.105 0.102

SiO₂ (wt%) 0.022 0.016 0.002 BD 0.008

Al₂O₃(wt%) 0.001 ND 0.002 0.001 0.010

MnO (wt%) 0.003 0.001 0.001 BD BD

Core, section, interval (cm):	193-1188A-
8R-1,124	14R-1, 44	15R-1, 10	16R-2,12	20R-1, 75
Curated depth (mbsf):	59.14	116.47	125.80	136.98	174.64
Sulfur analysis (wt%):
TS	5.63	4.64	19.40	3.63	6.31
S in LOI	0.63	0.69	ND	BD	BD
S in soluble sulfate	4.93	3.98	ND	3.39	6.31
S in sulfide	0.77	0.88	ND	0.23	0.33
Major cations associated with sulfates:
CaO (wt%)	2.05	1.96	ND	3.86	2.31
Ba (ppm)	316	361	ND	170	93
Na₂O (wt%)	0.380	0.331	0.120	0.105	0.102
SiO₂ (wt%)	0.022	0.016	0.002	BD	0.008
Al₂O₃(wt%)	0.001	ND	0.002	0.001	0.010
MnO (wt%)	0.003	0.001	0.001	BD	BD

Note: IC = ion chromatography, ICP-AES = inductively coupled plasma-atomic emission spectroscopy, TS = total sulfur, LOI = loss on ignition, ND = not determined, BD = below detection.