Table T5. Comparison of elemental abundance derived from X-ray diffraction and determined by X-ray fluorescence.

Core, section,
interval (cm)		 Depth
(mbsf)		 SiO2 (wt%)
Al2O3 (wt%)
CaO (wt%)
XRD XRF XRD XRF XRD XRF

172-1063D-














4H-3, 108-109
25.38
63
55


16
15


3
2

4H-4, 7-9
25.89
55
47


13
12


12
10

4H-4, 17-19
25.97
54
47


16
14


10
9

4H-4, 28-30
26.10
53
45


11
12


10
10

4H-4, 39-41
26.21
59
49


13
13


5
5

4H-4, 50-52
26.32
63
53


15
14


2
2

4H-4, 61-63
26.43
64
51


14
13


2
1

4H-4, 71-73
26.53
62
50


12
13


4
4

4H-4, 83-85
26.65
54
45


12
12


11
9

4H-4, 96-98
26.78
45
39


9
10


18
17

4H-4, 105-107
26.87
41
36


10
10


23
19

4H-4, 116-118
26.98
42
36


10
10


20
18

4H-4, 127-129
27.09
53
44


12
12


11
10

4H-4, 139-141
27.21
56
46


14
12


9
7

4H-5, 3-4
27.34
52
47


12
12


12
9

4H-5, 23-24
27.54
42
39


10
11


20
17

4H-5, 33-34
27.64
38
36


9
10


24
20

4H-5, 68-69
27.99
37
34


10
9


24
21

4H-5, 78-79
28.09
37
33


9
9


25
23

4H-5, 118-119
28.49
56
48


16
14


9
7

4H-5, 128-129
28.59
52
46


14
13


11
9

4H-5, 138-139
28.69
51
46


15
13


12
9

4H-5, 148-149
28.79
54
47


16
14


9
7

4H-6, 3-4
28.84
56
47


17
14


8
5

4H-6, 13-14
28.94
60
49


16
13


4
3

4H-6, 23-24
29.04
54
48


15
14


8
6

4H-6, 33-34
29.14
50
44


13
13


14
11

4H-6, 43-44
29.24
43
41


12
12


19
15

4H-6, 53-54
29.34
40
38


12
11


21
18

4H-6, 63-64
29.44
41
38


11
11


22
18

4H-6, 68-69
29.49
40
39


11
12


22
17