Table 1. Composition of typical sediment samples from the Perisan Gulf (based on SARNTHEIN, 1971)
Sample type
1) Clayey Marl
2) Calcareous Marl
3) Calcareous Marl
4) Calcarenite
5) Clay
(with few coarse grains)
(rich in coarse material)
(with fine sands)
(coarse)
(for comparison)
Distribution
Near shore
Near shore with limited
Off river mouths
Shallows and
Continental
(River mouths)
terrigenous-inflow
and
(in shallow water)
Island Slopes
Slope
offshore in basins
Gulf of Oman
Carbonate-C02 %
18.15%
32.3%
23.4%
41.7%
10.6%
Fraction:
mm
0.06-2
>2
0.06-2
>2
0.06-2
>2
0.06-2
>2
0.06-2
>2
%
0.16
57.4
1.92
37.12
0.05
89.65
7.33
14.74
o:l
o·
Subdivision:
%
%
%
%
%
0/0
%
%
%
%
ro
::s
Foraminifera:
n·
Vl
Calcareous
41.3
11.25
1.45
6.9
0.35
1.06
ro
e-:
Arenaceous
0.5
4.65
1.75
0.9
3
Planktonic
ro
0.06
28.8
S
Sponges:
Tr.
'"
g.
Corals
Tr.
0.14
::s
Bryozoa
0.16
Tr.
1.2
0.25
g.,
Molluscs:
g.
ro
Benthic
22.3
40.9
49.0
1.1
92.2
7.5
7.9
Tr.
."
ro
Planktonic
5.4
3.05
0.12
Tr.
0.25
Tr.
~
Crustacea:
0;.
::s
Balanus
0.1
Tr.
1.5
Tr.
0.1
0.12
0
Decapods
0.9
3.95
0.6
0.2
7.8
0.9
0.2
Tr.
~
Ostracods
5.45
1.1
0.5
Tr.
0.1
Echinoids
14.9
1.05
0.3
.45
0.3
Tr.
Tr.
Ophiurids
0.05
0.85
0.3
0.3
Fish
remains
1.65
0.1
Tr.
0.12
Tr.
0.55
Plant remains
1.15
Tr.
0.3
0.]
0.1
Calc. Algae
Tr.
2.2
Biogenic relict
components
10.7
16.3
68.6
38.8
Miscellaneous carbonate
- 0
\0
and non carbonate grains
6.3
22.0
32.2
93.8
12.7
50.0
69.2