Table
T8. Downhole distribution of minerals identified by X-ray
diffraction in bulk-rock and vein samples, Hole 1184A.
Core,
section,
interval (cm)Depth
(mbsf)Analysis
typeMinerals
Primary
Secondary
Plagioclase
Clinopyroxene
Magnetite
Analcime
Smectite
Quartz
Calcite
Celadonite
Fluorapatite
Hematite
Apophylite
Zeolites
Gmelinite
Chabazite
Levyne
Natrolite
Clinoptilolite
Mordenite
192-1184A-
9R-1,
3-4
201.13
Bulk
x
x
X
9R-1,
46-47
201.56
Bulk
X
x
x
9R-1,
106-107
202.16
Bulk
X
x
(x)
x
10R-1,
1-3
202.91
Bulk
X
x
11R-1,
135-136
207.75
Bulk
X
x
(x)
x
(x)
x
x
11R-3,
0-1
209.06
Bulk
X
X
(x)
x
x
x
15R-1,
101-102
240.61
Bulk
X
X
16R-1,
58-60
244.98
Bulk
X
X
17R-2,
112-114
251.71
Bulk
X
X
(x)
19R-1,
67-69
269.17
Bulk
x
X
X
19R-8,
30-30
277.65
Bulk
x
X
X
x
20R-1,
34-35
278.44
Vein
x
x
X
20R-2,
29-34
279.89
Vein
X
x
x
x
21R-1,
111-111
288.81
Vein
X
21R-2,
25-26
289.39
Vein
x
X
23R-1,
69-70
307.59
Bulk
x
X
x
X
26R-5,
32-37
341.69
Bulk
x
X
X
28R-4,
1-3
359.57
Bulk
x
X
x
x
x
29R-3,
147-149
369.35
Bulk
x
X
x
(x)
x
30R-6,
34-39
381.99
Vein
X
30R-6,
55-57
382.20
Bulk
x
x
x
x
32R-6,
38-39
401.43
Bulk
x
x
x
X
33R-1,
138-139
405.18
Bulk
x
x
x
X
33R-5,
19-27
409.19
Vein
X
x
X
33R-6,
115-116
411.65
Vein
X
x
x
x
35R-4,
84-104
428.09
Vein
X
x
36R-7,
136-138
442.36
Vein
X
36R-7,
136.5-138.5
442.36
Vein
x
x
40R-5,
49-51
477.79
Bulk
x
x
x
x
42R-6,
0-2
497.41
Bulk
x
x
x
x
46R-1,
124-125
530.44
Vein
X
(x)
x
x
Notes: Bulk = bulk rock. X = major component, x = minor component, (x) = trace.