Table 4. Component IRD MAR calculated for the coarse-sand (250 µm to 2 mm) ice-rafted debris composition categories, Site 918.
| Core, section, interval (cm) | Depth (mbsf) | Calculated age (Ma) | MAR quartz (g/cm2/k.y.) |
MAR c-g acidic (g/cm2/k.y.) |
MAR f-g mafic (g/cm2/k.y.) |
MAR c-g mafic (g/cm2/k.y.) |
MAR ultramafic (g/cm2/k.y.) |
MAR
sedimentary (g/cm2/k.y.) |
MAR other (g/cm2/k.y.) |
|---|---|---|---|---|---|---|---|---|---|
163-918A- |
|||||||||
1H-1, 48-52 |
0.48 |
0.008 |
0.314 |
0.031 |
0.057 |
0.000 |
0.009 |
0.027 |
0.000 |
1H-1, 85-89 |
0.85 |
0.014 |
0.152 |
0.002 |
0.014 |
0.005 |
0.000 |
0.002 |
0.000 |
1H-2, 22-26 |
1.22 |
0.021 |
0.101 |
0.023 |
0.000 |
0.000 |
0.000 |
0.000 |
0.003 |
1H-2, 50-54 |
1.50 |
0.025 |
0.086 |
0.038 |
0.004 |
0.000 |
0.001 |
0.001 |
0.001 |
2H-1, 27-31 |
2.07 |
0.035 |
0.109 |
0.011 |
0.007 |
0.003 |
0.001 |
0.003 |
0.003 |
2H-1, 105-109 |
2.85 |
0.048 |
0.041 |
0.012 |
0.002 |
0.000 |
0.000 |
0.002 |
0.002 |
2H-2, 24-29 |
3.54 |
0.060 |
0.002 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
2H-2, 101-105 |
4.31 |
0.073 |
0.016 |
0.002 |
0.000 |
0.000 |
0.000 |
0.000 |
0.001 |
2H-3, 25-29 |
5.05 |
0.086 |
0.013 |
0.001 |
0.000 |
0.001 |
0.000 |
0.000 |
0.000 |
2H-4, 41-45 |
6.67 |
0.113 |
0.037 |
0.002 |
0.000 |
0.000 |
0.000 |
0.000 |
0.001 |
This is a sample of the table that appears in "ASCII Tables" in the Table of Contents.