Table
T4. X-ray diffraction results and calcium carbonate contents
expressed as CaCO3 for Hole 1136A.
Unit
Core,
section,
interval (cm)Depth
(mbsf)Minerals
CaCO3
(wt%)
II
183-1136A-
2R-1,
90
5.60
Calcite
92
3R-1,
90
15.30
Calcite
95
4R-1,
89
24.79
Calcite
95
5R-1,
90
34.30
Calcite
95
6R-1,
90
43.70
Calcite
95
7R-1,
106
53.16
Calcite
89
III
183-1136A-
9R-1,
53
70.83
Calcite,
(quartz)
92
IV
183-1136A-
10R-1,
25
80.15
Calcite,
clinoptilolite, heulandite, glauconite, nontronite, plagioclase, glass
NA
10R-1,
63
80.53
Calcite,
clinoptilolite, heulandite, glauconite, nontronite, plagioclase, glass
NA
V
183-1136A-
12R-1,
9
99.29
Calcite,
clinoptilolite, heulandite, glauconite, nontronite, plagioclase, lawsonite(?),
glass
12
14R-1,
74
119.14
Calcite,
clinoptilolite, heulandite, glauconite, glass, plagioclase (?)
18
Note: NA = not analyzed, ( ) = minor amount. See "Organic and Inorganic Geochemistry".