Table T9. Data used to determine mass accumulation rates for Hole 1069A.

MAR
(g/cm2/k.y.)
Thickness
(cm)
Bulk
density
(g/cm3)
Porosity
(wt%)
Time
(103 yr)
Bottom
depth
mbsf)
Top
depth
(mbsf)
Bottom
age
(Ma)
Top
age
(Ma)
0.55 107 2.08 0.37 330 782.98 781.91 55.33 55.00
0.29 160 2.01 0.40 870 784.58 782.98 56.20 55.33
0.46 402 1.94 0.44 1300 788.60 784.58 57.50 56.20
1.13 1919 2.16 0.32 3100 807.79 788.60 60.60 57.50
1.11 879 2.27 0.24 1600 816.58 807.79 62.20 60.60
0.35 401 2.26 0.27 2300 820.59 816.58 64.50 62.20
2.75 561 2.50 0.05 500 826.20 820.59 65.00 64.50
1.21 615 2.25 0.27 1000 832.35 826.20 66.00 65.00
1.12 1282 2.38 0.20 2500 845.17 832.35 68.50 66.00
0.16 242 2.15 0.33 2800 847.59 845.17 71.30 68.50
0.52 779 2.40 0.20 3300 855.38 847.59 74.60 71.30
0.63 181 2.60 0.15 700 857.19 855.38 75.30 74.60

Note: MAR = mass accumulation rate.