Table 4. Smear-slide observations and modal abundances. All data are relative approximate abundances by microscope observation 　　　　　　　　　　　
sample Lithology Sand Silt Clay Fd RF Mc Clay Alt G. Sid. Tac. Acc Min Op Min Mafic Min Foram Nanno Diat Rad Sponge Spicules Silicoflagellates other
PC-7
Sect cm
1 7 Pelagic clay 1 9 90 3 2
1 52 sandy volcanic silt 35 40 25 12 2 25 5 38 15 3
1 73 Volcanic sand 80 19 1 5 2 1 4 48 15
1 84 Pelagic clay 1 9 90 3 90 5 1 tr
2 98 Pelagic clay 1 9 90 3 2 3 1 1
9 67 Silty volcanic sand 50 30 20 4 20 1 10 50 15 tr
PC-8
2 32 pelagic clay 10 90 4 90 3 1 tr
3 21 pelagic clay 20 80 11 tr 6 3
5 33 sandy vocanic silt 30 50 20 20 5 10 tr 25 20
5 98 silty volcanic sand 50 45 5 16 10 5 2 30 20 70
6 1 volcanic sand 70 29 1 9 10 1 2 40 20 18
7 74 pelagic clay 20 80 13 82 5 2
7 81 volcanic sand 85 13 2 3 25 25 25 22
8 33 calcareous ooze 10 90 tr 3 2 95
9 77 pelagic clay 20 80 12 1 tr 5 2
PC-9
2 17 silty diatomacous clay 10 45 41 3 1 1 5 7 2 25 1 1 tr
3 80 clayey volc.silt 10 60 30 25 2 1 14 10 5 2 tr 1
4 8 silty clay 5 35 65 19 1 3 1 5 5 tr tr 1
5 8 clayey volc.silt 20 50 30 20 3 2 20 15 10
5 70 silty clay 10 30 60 10 2 6 10 10 2 1 1 tr
6 40 volc. Sand 70 28 2 14 5 5 50 15 tr 14 tr tr
6 93 silty clay 5 25 70 12 1 70 1 5 3 5 25 70
7 32 Volc.silt 23 75 2 45 5 2 3 40 5
7 53 silty clay 1 34 65 13 65 1 3 1 15 tr 2
8 12 pelagic clay 5 25 70 5 1 70 1 1 9 6 2 1 2 2
8 41 silty volcani sand 55 40 4 10 5 4 1 50 20 10 tr
8 83 volc.silt 3 94 3 32 2 3 27 20 16
9 31 volc.sand 80 19 2 10 15 2 47 15 10 1 tr
PC-10
2 5 diatom ooze 40 40 20 2 20 tr 1 tr 77 tr tr
2 14 diatom ooze 50 30 20 4 20 15 2 3 56 tr tr
2 90 diatomacous clay 5 40 55 10 1 1 5 3 23 1 1
3 23 diatomacous sity pelagic clay 10 40 52 10 2 52 1 5 5 2 25 1 1 tr
4 80 pelagic clay 2 18 60 9 80 1 tr 2 1 5 1 1
5 50 pelagic clay 1 29 70 1 1 1 4 5 3 tr 1
5 81 silty volcanic sand 45 40 5 23 5 2 45 15 10 tr tr tr
6 26 volcanic sand 70 29 1 4 10 1 50 15 20
7 4 pelagic clay 3 20 74 10 77 1 1 2 2 7 1 2
8 47 volcanic sand 80 19 1 10 5 1 53 20 10 1 tr
PC-11
1 26 pelagic clay 2 13 85 7 85 tr 1 4 2 tr tr 1 tr
1 53 volcanic sand 54 45 1 20 5 1 50 10 14 tr
1 73 diatomacous pelagic clay 5 45 50 2 50 1 2 1
2 25 diatomacous clayey silt 3 55 42 4 42 3 5 1 35 5 2
2 98 pelagic clay 1 29 70 19 1 2 5 3 tr tr
3 27 volcanic silt 10 70 20 30 2 20 1 22 15 10
3 50 pelagic clay 8 5 87 2 2 8 1 tr
3 80 pelagic clay 1 19 80 11 80 2 tr 5 2 tr
4 39 pelagic clay 25 75 2 1 1 1 20
5 71 Radiolarian ooze 50 30 20 20 70 10
sample Lithology Sand Silt Clay Fd RF Mc Clay Alt G. Sid. Tac. Acc Min Op Min Mafic Min Foram Nanno Diat Rad Sponge Spicules Silicoflagellates other

]

sample Lithology Sand Silt Clay Fd RF Mc Clay Alt G. Sid. Tac. Acc Min Op Min Mafic Min Foram Nanno Diat Rad Sponge Spicules Silicoflagellates other
PC-12
1 30 volcanic silt 25 80 5 20 5 5 2 30 20 18 tr
2 32 pelagic clay 20 20 60 8 60 2 1 5 2 10 1 1
3 76 pelagic clay 10 90 5 90 3 2 tr
4 32 volcanic silt 10 85 5 40 5 5 3 15 12 20
5 25 sandy voc. Silt 30 65 5 40 5 5 20 20 10 1
5 68 pelagic clay 15 85 8 tr tr 5 2 tr
6 87 sandy voc. Silt 30 60 10 20 5 10 1 20 10 14 1 tr tr
7 9 pelagic clay 10 90 tr tr 3 1
7 82 clayey volcanic slit 5 65 30 34 30 5 10 10 10 tr tr 1
PC-13
1 62 silty volcanic sand 50 45 5 10 7 5 1 39 20 8 3 5 2
1 2 pelagic clay 5 30 65 5 1 1 2 5 1 15 3 2
2 50 diatomacous clay 5 50 45 5 tr 5 2 1 1 30 5 1
3 52 pelagic clay 2 20 78 11 1 3 3 3 tr 1
5 43 volcanic sand 90 8 2 5 4 1 1 39 20 30 tr
6 86 volcanic sand 80 19 1 8 10 1 1 40 40 15
PC-14
1 31 Pelagic clay 20 80 7 80 1 tr 3 1 6 tr 2 tr
2 31 Pelagic clay 18 82 8 52 2 1 3 1 1 1 1 tr
2 76 silty clay 5 35 60 21 2 60 2 5 5 3 tr tr tr tr
3 83 volcanic sand 60 39 1 35 10 1 1 10 20 12 6 tr
4 31 silty glass 5 45 55 10 2 55 1 8 9 3 7 tr tr
5 30 Pelagic clay 10 90 5 90 1 tr 3 1 tr
7 68 Nanno ooze 2 24 74 3 14 1 tr 2 tr 2 60 10 5 2 1
8 31 Pelagic clay 15 85 5 1 tr 3 1 tr tr tr
9 65 sandy pelagic clay 35 10 55 6 2 55 1 20 10 2 2 1 1
PC-15
1 24 pelagic clay 1 24 75 5 1 2 1 12 2 1
2 28 pelagic clay 1 14 85 4 1 1 2 tr 4 1 1 1
3 72 volcanic silt 5 90 5 25 5 5 5 30 15 15 tr tr
4 83 pelagic clay 5 95 2 95 1 2 tr tr tr
5 35 pelagic clay 5 95 2 95 tr tr 2 1 tr
8 55 pelagic clay 5 30 55 5 55 1 2 2 1 20 2 1 1
9 95 pelagic clay 20 85 3 1 1 2 tr 10 1 1 1
sample Lithology Sand Silt Clay Fd RF Mc Clay Alt G. Sid. Tac. Acc Min Op Min Mafic Min Foram Nanno Diat Rad Sponge Spicules Silicoflagellates other

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