Table T4. Lithostratigraphic subdivisions, Site 1262.
Unit/
subunit
Unit boundary depth (mcd)
Hole 1262A
Hole 1262B
Hole 1262C
Core, section,
interval (cm)
Depth (mbsf)
Depth (mcd)
Core, section,
interval (cm)
Depth (mbsf)
Depth (mcd)
Core, section,
interval (cm)
Depth (mbsf)
Depth (mcd)
Top
Base
Top
Base
Top
Base
Top
Base
Top
Base
Top
Base
Top
Base
Top
Base
Top
Base
I
1H-1 4H-CC 0.0 38.6 6.0 46.1 1H-1 6H-3, 52 0.0 43.9 0.0 45.8

45.8

















IIA
5H-1 6H-CC 38.0 57.7 47.0 68.4 6H-3, 52 8H-4, 85 43.9 63.3 45.8 68.1

68.1





































IIB
7H-1 7H-CC 57.0 66.8 68.4 78.2 8H-4, 85 9H-4, 10 63.3 72.0 68.1 78.9

78.9





































IIC
8H-1 8H-CC 66.5 74.0 80.5 88.0 9H-4, 10 10H-4, 120 72.0 82.6 78.9 90.0

90.0

















IIIA
9H-1 16H-2, 60 76.0 144.6 91.2 165.6 10H-4, 120 17H-CC 82.6 152.7 90.0 166.3 1H-1 8H-3, 13 90.0 152.1 97.8 165.1

165.4

































IIIB (236.4)* 16H-2, 60 17H-CC 144.6 162.0 165.6 182.4 18H-1 23H-CC 152.9 209.7 168.0 232.9 8H-3, 13 14H-CC 152.1 213.0 165.1 236.4

Notes: Bold intervals and depths define the unit boundaries; other intervals are recognized as part of units but do not contain the unit boundaries. — = lithostratigraphic unit not recovered. * = bottom of deepest hole.

Unit/
subunit
Unit boundary depth (mcd)
Description
I
Nannofossil ooze and foraminifer-bearing nannofossil ooze

45.8
IIA
Clay, ash-bearing clay, and nannofossil clay

68.1
IIB
Nannofossil ooze, foraminifer-bearing nannofossil ooze, and clayey nannofossil ooze

78.9
IIC
Clay, ash-bearing clay, and nannofossil clay

90.0
IIIA
Nannofossil ooze

165.4
IIIB (236.4)* Clayey nannofossil ooze