Rossak et al.: Clay Mineral Distribution in Sudace Sediments ofthe Laptev Sea
591
Table I: Clay mineral concentrations and illite 'crystallinity' in Laptev Sea surface sediment samples. Latitude
and longitude of sampling sites are indicated.
Sample
01
06
07
09
13
15
16
18
20
21
23
24
25
26
27
30
34
36
37
38
40
42
44
46
48-5
48-6
49
50
53
56
58
61
65
67
68
70
71
73
73A
81
82
84
KI
K2
Latitude
N
71 °45.2'
72°00.1 '
72°33.1 '
72°30.0'
73°04.0'
73°00.0'
73°00.1 '
73°30.0'
73°30.0'
73°30.0'
73°38.0'
73°30.1 '
73°49.9'
73°59.8'
74°00.0'
74°00.0'
74°00.0'
74°29.5'
73°30.1 '
74°30.1 '
74°30.0'
74°30T
74°28.0'
74°29.9'
74°30.0'
74°30.0'
74°30.0'
75°00.0'
75°00.0'
75°00.0'
75°00.0'
75°00.6'
75°29.0'
75°29.rr
75°25.0'
75° 18.0'
75°2:10'
75°21.0'
75°51.1 '
76°31.6'
76°29.9'
77°06.7'
75°56.0'
76°50.1 '
Longitude
E
135°39.6'
I3l °00.0'
l3l ° 17.6'
136°40.0'
139°22.2'
133°29.9'
I3l °30.0'
137°30.0'
133°30.0'
131 °40.4'
12R039.8'
121°40.1 '
117°52.3'
115°54.0'
119°51.1'
127°30.0'
137°39.8'
115°59.6'
117°50.9'
119°58.5 '
122°59.6'
127°19.8'
131 °05.9'
IWOOT
I:17°0l.0'
137°01.0'
139°40.0'
136°00.0'
129°57.3'
123°000'
119°50,0'
IW32.2'
119°54.rr
I 23°50.S'
125°51.0'
129°34.0'
111 °48.2'
m022O'
134°32.1 '
133°18.6'
137°19.1'
137° 13.S'
136°42.0'
137°17.1'
Water
depth
(m)
16
18
21
24
16
18
28
24
18
25
17
13
13
16
30
27
22
16
19
34
16
34
30
14
23
23
24
31
40
32
33
42
40
44
41
44
20
43
47
37
25
33
20
30
Illite
(%)
50
57
51
60
56
54
53
59
54
51
51
44
32
35
37
46
52
35
38
42
39
43
48
46
54
54
47
45
43
43
40
36
40
42
41
43
44
51
48
48
51
54
52
54
Smectite Chlorite Kaolinite
(%)
13
]()
7
5
3
9
]()
6
9
12
8
16
31
31
20
17
11
28
25
20
23
24
II
18
13
II
20
22
21
18
23
26
23
22
22
24
21
18
18
19
12
II
14
9
(%)
28
24
29
26
31
26
25
26
26
25
28
23
22
21
24
23
27
22
22
21
26
22
2R
26
24
25
24
23
24
24
22
20
22
22
23
22
22
21
23
22
26
24
24
27
(o/rl
9
<)
13
<)
10
II
12
<)
II
12
13
17
l'i
13
19
14
10
15
15
17
12
II
13
10
<)
10
l)
10
12
15
15
18
15
14
14
II
13
10
II
II
II
II
10
10
Illite
'crystallinity'
(°"'28)
(1.31
0.25
0.24
0.29
0.22
0.26
0.24
0.26
0.21
0.24
0.26
0.26
0.22
0.21
0.26
025
0.23
0.21
0.22
0.27
0.23
0.23
0.24
0.24
0.30
0.26
0.24
0.26
0.26
0.25
0.27
0.25
0.23
0.25
0.27
0.24
(UI
0.26
0.26
0.25
0.25
0.26
026
()25
591
Table I: Clay mineral concentrations and illite 'crystallinity' in Laptev Sea surface sediment samples. Latitude
and longitude of sampling sites are indicated.
Sample
01
06
07
09
13
15
16
18
20
21
23
24
25
26
27
30
34
36
37
38
40
42
44
46
48-5
48-6
49
50
53
56
58
61
65
67
68
70
71
73
73A
81
82
84
KI
K2
Latitude
N
71 °45.2'
72°00.1 '
72°33.1 '
72°30.0'
73°04.0'
73°00.0'
73°00.1 '
73°30.0'
73°30.0'
73°30.0'
73°38.0'
73°30.1 '
73°49.9'
73°59.8'
74°00.0'
74°00.0'
74°00.0'
74°29.5'
73°30.1 '
74°30.1 '
74°30.0'
74°30T
74°28.0'
74°29.9'
74°30.0'
74°30.0'
74°30.0'
75°00.0'
75°00.0'
75°00.0'
75°00.0'
75°00.6'
75°29.0'
75°29.rr
75°25.0'
75° 18.0'
75°2:10'
75°21.0'
75°51.1 '
76°31.6'
76°29.9'
77°06.7'
75°56.0'
76°50.1 '
Longitude
E
135°39.6'
I3l °00.0'
l3l ° 17.6'
136°40.0'
139°22.2'
133°29.9'
I3l °30.0'
137°30.0'
133°30.0'
131 °40.4'
12R039.8'
121°40.1 '
117°52.3'
115°54.0'
119°51.1'
127°30.0'
137°39.8'
115°59.6'
117°50.9'
119°58.5 '
122°59.6'
127°19.8'
131 °05.9'
IWOOT
I:17°0l.0'
137°01.0'
139°40.0'
136°00.0'
129°57.3'
123°000'
119°50,0'
IW32.2'
119°54.rr
I 23°50.S'
125°51.0'
129°34.0'
111 °48.2'
m022O'
134°32.1 '
133°18.6'
137°19.1'
137° 13.S'
136°42.0'
137°17.1'
Water
depth
(m)
16
18
21
24
16
18
28
24
18
25
17
13
13
16
30
27
22
16
19
34
16
34
30
14
23
23
24
31
40
32
33
42
40
44
41
44
20
43
47
37
25
33
20
30
Illite
(%)
50
57
51
60
56
54
53
59
54
51
51
44
32
35
37
46
52
35
38
42
39
43
48
46
54
54
47
45
43
43
40
36
40
42
41
43
44
51
48
48
51
54
52
54
Smectite Chlorite Kaolinite
(%)
13
]()
7
5
3
9
]()
6
9
12
8
16
31
31
20
17
11
28
25
20
23
24
II
18
13
II
20
22
21
18
23
26
23
22
22
24
21
18
18
19
12
II
14
9
(%)
28
24
29
26
31
26
25
26
26
25
28
23
22
21
24
23
27
22
22
21
26
22
2R
26
24
25
24
23
24
24
22
20
22
22
23
22
22
21
23
22
26
24
24
27
(o/rl
9
<)
13
<)
10
II
12
<)
II
12
13
17
l'i
13
19
14
10
15
15
17
12
II
13
10
<)
10
l)
10
12
15
15
18
15
14
14
II
13
10
II
II
II
II
10
10
Illite
'crystallinity'
(°"'28)
(1.31
0.25
0.24
0.29
0.22
0.26
0.24
0.26
0.21
0.24
0.26
0.26
0.22
0.21
0.26
025
0.23
0.21
0.22
0.27
0.23
0.23
0.24
0.24
0.30
0.26
0.24
0.26
0.26
0.25
0.27
0.25
0.23
0.25
0.27
0.24
(UI
0.26
0.26
0.25
0.25
0.26
026
()25