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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.

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