Table 2. Distribution and relative abundances of stratigraphically useful planktonic foraminifers in Pliocene-Quaternary Hole 1011B.
 
Core, section, interval (cm)
Depth (mbsf)
Neogloboquadrina pachyderma B Neogloboquadrina pachyderma A Globorotalia inflata Neogloboquadrina dutertrei Neogloboquadrina humerosa praehumerosa Neogloboquadrina pachyderma C Neogloboquadrina kagaensis Neogloboquadrina asanoi Globorotalia puncticulata
Zone
Age
167-1011B-











1H-1, 50-55 0.50 F
R F




CM1
Quaternary
1H-2, 50-55 2.00 C







1H-3, 50-55 3.55 C
R





1H-4, 50-55 5.00 F
R





1H-5, 50-55 6.50


A F



1H-6, 50-55 8.00 A
C





2H-1, 50-55 8.90 F
F
F



2H-2, 50-55 10.40 C







2H-3, 50-55 11.90 A







2H-4, 50-55 13.40 F







2H-5, 50-55 14.90 C







2H-6, 50-55 16.40 R


R



2H-7, 50-55 17.90 A
C





3H-1, 50-55 18.40 C
R





3H-2, 50-55 19.90 A
F





3H-3, 50-55 21.40 A
F
R



3H-4, 50-55 22.90 A A C C A



CM2
3H-5, 50-55 24.40 A C R





3H-6, 50-55 25.90 A A
F C



3H-7, 50-55 27.40 A A

C



4H-1, 48-53 27.88 F
R





4H-2, 48-53 29.38 C
C





4H-3, 48-53 30.88 A A A C A



4H-4, 48-53 32.38 A F R





4H-5, 48-53 33.88








4H-6, 48-53 35.38 A A F
R



4H-7, 48-53 36.88 C A

C



5H-1, 50-55 37.40 F F






5H-2, 50-55 38.90 A C C
C



5H-3, 50-55 40.40 A A C





5H-5, 50-55 43.40








CM3 to CM4
5H-6, 50-55 44.90








5H-7, 50-55 46.40








6H-1, 51-56 46.91








6H-2, 50-55 48.40








6H-4, 55-60 51.45



R



6H-5, 50-55 52.90








6H-6, 50-55 54.40








6H-7, 50-55 55.90








7H-1, 50-55 56.40

R





late Pliocene
7H-2, 50-55 57.90

R


R

7H-3, 50-55 59.40

R





7H-4, 50-55 60.90

R
F



7H-5, 64-69 62.54



R



7H-6, 50-55 63.90



C



7H-7, 50-55 65.40



C



8H-1, 50-55 65.90



R A C

CM5
8H-2, 50-55 67.40



R A C

8H-3, 50-55 68.90



F A A

8H-4, 50-55 70.40




A A

8H-5, 50-55 71.90




C R

8H-6, 50-55 73.40



F F R

9H-2, 49-53 76.89



C A A

9H-3, 49-53 78.39



R A A
F
9H-4, 49-53 79.89



R A C

9H-5, 49-53 81.39

R
R C F R R CM6
9H-6, 53-57 82.93

R
R A A C
9H-7, 49-53 84.39




F F
R
10H-1, 45-54 84.85



R C C R













10H-2, 45-54 86.35



F
C C C CM6
late Pliocene
10H-3, 45-54 87.85

R
F
C A
10H-4, 45-54 89.35





R F F
10H-5, 45-54 90.85



R
C A C
10H-6, 45-54 92.35





F C R
11H-1, 50-55 94.40



F
C A R
11H-2, 50-55 95.90





C A
11H-3, 50-55 97.40



R
C C
11H-4, 50-55 98.90

A


A A
11H-5, 50-55 100.40



R
F F R
11H-6, 50-55 101.90



C
A F
12H-1, 50-55 103.90

C
C
A C R
12H-2, 50-55 105.40



A
A A
12H-3, 50-55 106.90



A
A C
12H-4, 50-55 108.40



A
A

12H-5, 50-55 109.90



A
A

12H-6, 50-55 111.40



C
A
F
13H-1, 50-55 113.40

A
C
C
A
13H-2, 50-55 114.90

C


F
C
13H-3, 50-55 116.40



R
C F R
13H-4, 50-55 117.90

R


F R R
13H-5, 50-55 119.40

R


R

13H-6, 50-55 120.90

F


R
F
14H-1, 50-55 122.90

R
F
C
A
14H-2, 50-55 124.40



R
R

14H-3, 50-55 125.90



F
C R
14H-4, 50-55 127.40



C
C R
14H-5, 50-55 128.90



C
C

14H-6, 50-55 130.40



F
C R
14H-7, 50-53 131.90



C
C

CM7
early Pliocene
15H-1, 50-55 132.40



R
F

15H-2, 50-55 133.90



C
C

15H-3, 50-55 135.40



F
C

15H-4, 50-55 136.90



F
C

16H-1, 49-54 138.39



F
F

Notes: California margin (CM) zones indicated. A = abundant, C = common, F = few, R = rare.