Table 3. Relative abundance, presence or absence, and overall abundance of planktonic foraminifers at Hole 1083A.
Core, section,
interval
Depth
(mbsf)
Overall abundance Dissolution Globigerinoides ruber Globigerina bulloides Globorotalia inflata Neogloboquadrina dutertrei Neogloboquadrina pachyderma (dextral) Neogloboquadrina pachyderma (sinistral) Globorotalia crassaformis Globorotalia truncatulinoides Globorotalia tosaensis Globorotalia menardii Neogloboquadrina dutertrei
175-1083A-
1H-CC 1.7 5

D A



P


2H-CC 9.2 5

A D



P
P
3H-CC 20.9 5

D D



P
P P
5H-CC 40.2 4 4
D A



P


6H-CC 42.4 5 4
A D

A
P


7H-CC 59.1 4 2

D







8H-CC 68.7 5 5
D D



P P P
9H-CC 77.8



A
D

P P
P
11H-CC 96.5 5 5 D D A A


P P P P
13H-CC 115.2 5 5 D D A






P
15H-CC 134.8 5 5
D A
D

P
P P
16H-CC 144.5 4 4

D


D


P
17H-CC 154.1


D D







18H-CC 162.6 4 4
D








19H-CC 173.2 2 2
D D







22H-CC 201.5 4 4
D








Notes: D = dominant (>30%) and A = abundant (10%–30%) components of the assemblage are shown. Presence (P) and absence (A) are also shown for select species. Overall abundance is classified as 0 = barren; 1 = trace; 2 = rare; 3 = few; 4 = common; and 5 = abundant. Dissolution is grouped as 2 = some dissolution; 4 = moderate dissolution; and 5 = no dissolution.