Table T5. Major element oxides with selected trace elements, Hole 1191A.

Table T5. Major element oxides with selected trace elements, Hole 1191A.

Core, section: 193-1191A-:

1R-1

2R-1

3R-1

3R-1

3R-1

Interval (cm):

5-7

42-45

4-7

18-21

51-54

Curated depth (mbsf):

0.05

9.82

14.47

14.88

15.21

Rock type:

Dacite

Dacite

Dacite

Dacite

Dacite

Alteration style:

Fresh

Fresh

Fresh

Fresh

Fresh

Ignited rock powder composition:

Major element oxide (wt%):

SiO₂ 69.24 68.67 70.48 70.11 70.48

TiO₂ 0.57 0.58 0.59 0.58 0.59

Al₂O₃ 14.17 13.97 14.16 14.30 14.40

Fe₂O₃ 4.77 4.54 4.80 4.78 4.59

MnO 0.14 0.12 0.12 0.14 0.13

MgO 0.87 0.86 0.89 0.87 0.89

CaO 3.00 3.00 2.94 2.97 2.98

Na₂O 5.19 4.82 5.02 5.06 5.16

K₂O 1.77 1.66 1.71 1.74 1.68

P₂O₅ 0.13 0.14 0.14 0.13 0.14

Total (wt%): 99.84 98.35 100.86 100.69 101.05

LOI (wt%): 1.25 0.02 0.15 1.25 1.13

Trace element (ppm):

Zr 133 138 138 136 137

Y 37 37 36 37 38

Sr 281 274 283 276 281

Zn 108 73 72 102 82

Cu 32 70 24 37 31

Ba 345 344 349 350 353

Whole-rock composition:

Major element oxide (wt%):

SiO₂ 68.38 67.81 69.60 69.24 69.60

TiO₂ 0.56 0.58 0.58 0.57 0.59

Al₂O₃ 13.99 13.79 13.98 14.12 14.22

Fe₂O₃ 4.71 4.49 4.74 4.72 4.53

MnO 0.14 0.12 0.12 0.14 0.13

MgO 0.86 0.85 0.88 0.86 0.88

CaO 2.96 2.96 2.91 2.93 2.94

Na₂O 5.13 4.76 4.95 5.00 5.10

K₂O 1.75 1.63 1.69 1.72 1.66

P₂O₅ 0.13 0.14 0.14 0.13 0.14

Total S (wt%): 0.04 0.00 0.00 0.02 0.00

Total H₂O⁺ (wt%): 1.76 0.07 0.00 1.00 0.99

Core, section: 193-1191A-:	1R-1	2R-1	3R-1	3R-1	3R-1
Interval (cm):	5-7	42-45	4-7	18-21	51-54
Curated depth (mbsf):	0.05	9.82	14.47	14.88	15.21
Rock type:	Dacite	Dacite	Dacite	Dacite	Dacite
Alteration style:	Fresh	Fresh	Fresh	Fresh	Fresh
Ignited rock powder composition:
Major element oxide (wt%):
SiO₂	69.24	68.67	70.48	70.11	70.48
TiO₂	0.57	0.58	0.59	0.58	0.59
Al₂O₃	14.17	13.97	14.16	14.30	14.40
Fe₂O₃	4.77	4.54	4.80	4.78	4.59
MnO	0.14	0.12	0.12	0.14	0.13
MgO	0.87	0.86	0.89	0.87	0.89
CaO	3.00	3.00	2.94	2.97	2.98
Na₂O	5.19	4.82	5.02	5.06	5.16
K₂O	1.77	1.66	1.71	1.74	1.68
P₂O₅	0.13	0.14	0.14	0.13	0.14
Total (wt%):	99.84	98.35	100.86	100.69	101.05
LOI (wt%):	1.25	0.02	0.15	1.25	1.13
Trace element (ppm):
Zr	133	138	138	136	137
Y	37	37	36	37	38
Sr	281	274	283	276	281
Zn	108	73	72	102	82
Cu	32	70	24	37	31
Ba	345	344	349	350	353
Whole-rock composition:
Major element oxide (wt%):
SiO₂	68.38	67.81	69.60	69.24	69.60
TiO₂	0.56	0.58	0.58	0.57	0.59
Al₂O₃	13.99	13.79	13.98	14.12	14.22
Fe₂O₃	4.71	4.49	4.74	4.72	4.53
MnO	0.14	0.12	0.12	0.14	0.13
MgO	0.86	0.85	0.88	0.86	0.88
CaO	2.96	2.96	2.91	2.93	2.94
Na₂O	5.13	4.76	4.95	5.00	5.10
K₂O	1.75	1.63	1.69	1.72	1.66
P₂O₅	0.13	0.14	0.14	0.13	0.14
Total S (wt%):	0.04	0.00	0.00	0.02	0.00
Total H₂O⁺ (wt%):	1.76	0.07	0.00	1.00	0.99

Note: Major element oxides and selected trace element composition of ignited powders measured by inductively coupled plasma-atomic emission spectroscopy followed by loss on ignition and the whole-rock composition, as well as the total sulfur and water contents as measured by NCS elemental analysis.