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Table 1. Basic data, total mass accumulation rates of coarse sand-size ice-rafted debris, and mass accumulation rates for specific lithologies of coarse sand-size ice-rafted debris for samples from Site 919.

Site Hole Core Type Section Top
(cm)
Bottom (cm) Depth (mbsf) Age
(ka)
%CS
(wt% of coarse-sand fraction in total sample)
%Terrigenous grains in total coarse-sand fraction Sed Rate
(cm/k.y.)
DBD
(g/cm
3)
IRD MAR
(g/cm
2/k.y.)
CS %Qtz (quartz abundance in terrigenous coarse-sand fraction) Qtz MAR
(g/cm
2/k.y.)
CS %Bslt (basalt abundance in terrigenous coarse-sand fraction)


















919

A

1

H

1

55

57

0.55

3.78

0.04

40

14.55

0.61

0.001

65

0

17

919

A

1

H

1

100

102

1

6.87

0.20

13

14.55

0.78

0.002

79

0.002

16

919

A

1

H

1

144

146

1.44

9.89

5.92

66

14.55

0.78

0.443

66

0.292

2

919

A

1

H

2

51

53

2.01

13.81

1.16

24

14.55

0.83

0.033

93

0.031

0

919

A

1

H

2

99

101

2.49

17.11

0.49

53

14.55

0.83

0.031

79

0.025

9

919

A

1

H

2

140

142

2.9

19.93

1.24

8

14.55

0.54

0.007

27

0.002

36

919

A

1

H

3

51

53

3.51

24.12

0.33

44

14.55

0.54

0.011

87

0.010

9

919

A

1

H

3

100

102

4

27.49

0.36

38

14.55

0.54

0.010

83

0.008

8

919

A

1

H

3

146

148

4.46

30.65

0.47

8

14.55

0.54

0.003

78

0.002

0

919

A

1

H

4

46

48

4.96

34.08

0.10

73

14.55

0.54

0.006

93

0.005

2

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