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Table T7. Occurrence of fresh or nearly fresh olivine and volcanic glass in thin section, Hole U1372A.
|
Core, section
|
Thin
section
|
Depth
(mbsf)
|
Rocks
|
Olivine freshness
(%)
|
Glass freshness
(%)
|
|
330-U1372A-
|
|
9R-6
|
26
|
58.64
|
Highly olivine-phyric basalt
|
95
|
—
|
|
11R-1
|
28
|
71.52
|
Olivine-phyric basalt
|
40
|
—
|
|
11R-1
|
29
|
71.75
|
Olivine-phyric basalt
|
30
|
—
|
|
11R-6
|
32
|
78.11
|
Aphyric basalt
|
20
|
20
|
|
12R-2
|
34
|
82.01
|
Aphyric basalt
|
20
|
—
|
|
13R-1
|
36
|
91.02
|
Aphyric basalt
|
20
|
20
|
|
13R-4
|
38
|
95.37
|
Aphyric basalt
|
Fresh
|
50
|
|
17R-1
|
43
|
129.02
|
Aphyric basalt
|
10
|
—
|
|
17R-1
|
44
|
129.45
|
Aphyric basalt
|
20
|
—
|
|
17R-3
|
48
|
132.53
|
Aphyric basalt
|
10
|
—
|
|
17R-3
|
49
|
132.76
|
Aphyric basalt
|
—
|
80
|
|
18R-1
|
50
|
134.57
|
Aphyric basalt
|
—
|
50
|
|
18R-3
|
52
|
137.01
|
Aphyric basalt
|
80
|
—
|
|
19R-1
|
56
|
138.51
|
Aphyric basalt
|
—
|
20
|
|
19R-3
|
57
|
141.48
|
Aphyric basalt
|
—
|
80
|
|
19R-3
|
58
|
142.13
|
Aphyric basalt
|
—
|
70
|
|
19R-3
|
59
|
149.69
|
Aphyric basalt
|
—
|
10
|
|
21R-1
|
60
|
146.07
|
Aphyric basalt
|
—
|
50
|
|
21R-2
|
61
|
146.65
|
Aphyric basalt
|
—
|
10
|
|
26R-1
|
63
|
170.85
|
Aphyric basalt
|
—
|
35
|
|
27R-3
|
65
|
179.35
|
Aphyric basalt
|
—
|
80
|
|
29R-3
|
66
|
188.52
|
Aphyric basalt
|
—
|
85
|
|
32R-1
|
70
|
204.64
|
Olivine-plagioclase-phyric basalt
|
90
|
30
|
— = no data.
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