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/cm3) |
IRD
MAR (g/cm2/k.y.) |
CS %Qtz (quartz abundance in terrigenous coarse-sand fraction) | Qtz
MAR (g/cm2/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 |