Table
T19. Compressional velocity data, Holes 1189A and 1189B.
Core,
section, Interval (cm)
Piece
Depth
(mbsf)
Velocity
(km/s)
Sil/Qtz
(%)
Px
(%)
Cl
(%)
Py
(%)
Plag
(%)
Mt
(%)
Vesicles
(%)
Alteration
Comments
193-1189A-
2R-1,
9
2
9.79
3.84
50
0
50
0
0
0
15
Cm
Aphyric,
vesicular volcanic rock.
2R-1,
37
6
10.07
3.47
50
0
50
0
0
0
7
Cm
Aphyric,
vesicular volcanic rock.
193-1189B-
11R-1,
63
10
127.97
4.39
40
0
20
Tr
40
Tr
4
Hi
Aphyric,
vesicular volcanic rock.
11R-2,
88
8
128.91
3.85
40
0
25
Tr
35
Tr
8
Hi
Aphyric,
vesicular volcanic rock.
12R-1,
34
3
138.18
4.90
45
0
30
Tr
25
Tr
8
Hi
Trachytic,
vesicular volcanic rock.
12R-3,
46
7
140.42
4.00
40
0
40
Tr
20
Tr
10
Hi
Aphyric,
vesicular volcanic rock.
13R-1,
55
10
147.46
4.60
50
0
49
1
0
0
5
Cm
Silicified
volcanic rock.
15R-1,
87
11
158.15
4.71
15
0
80
Tr
5
Tr
0
Cm
Volcanic
rock with relict flow-banding and spherulitic texture.
15R-2,
62
10
169.15
4.90
48
5
10
Tr
37
Tr
0
Hi
Moderately
plagioclase-phyric, xenolith-bearing volcanic rock.
16R-2,
31
4
177.44
4.92
49
0
30
Tr
20
Tr
5
Hi
Vesicular
volcanic rock.
Notes: Sil/Qtz = silica/quartz, Px = pyroxene, Cl = clay, Py = pyrite, Plag = plagioclase, Mt = magnetite. Cm = complete, Hi = high, Tr = trace.