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Table 8. Stratigraphic ranges of planktonic foraminifers in selected samples from Holes 984A and 984B, Bjorn Drift. 

Core, section, interval (cm)

Depth (mbsf) Depth (mcd)
Abundance

Preservation

Globigerina bulloides

Globigerina quinqueloba

Globorotalia crassaformis

Globorotalia inflata

Globorotalia scitula

Globigerinita glutinata

Neogloboquadrina atlantica (sinistral)

Neogloboquadrina pachyderma (dextral)

Neogloboquadrina pachyderma (sinistral)

Orbulina universa

Zone

Epoch

162-984A-

   














1H-CC 14-17

5.06

5.11

C

G









D


N. pachyderma (s.)

Pleistocene

2H-CC 12-15

13.31

15.44

A

G

F/C

R



R



F

D


3H-CC 15-18

24.30

26.53

C

M

T




T




D


4H-CC 11-14

33.81

36.35

R

M

R







R

D


5H-CC 19-22

42.66

46.41

R

G

C

R


F




R

C


6H-CC 22-25

52.83

57.17

R

G

C



F

R



F

A


7H-CC 26-29

62.46

68.53

C

G

R

R


T/R




R

D


8H-CC 20-23

71.96

78.76

F

M

R

R







D


9H-CC 15-18

81.41

88.96

C

G

A

T


C


R


R

C


10H-CC 19-22

91.03

99.14

C

G

A



R

T




A


11H-CC 21-24

100.41

110.53

A

G









D


12H-CC 13-16

110.03

119.92

R

G








R

D


13H-CC 19-22

119.39

130.49

C

G

F



R

T




D


14H-CC23-26

129.03

141.37

R/F

M









D


15H-CC 26-29

138.46

151.59

C

M

F



T

R



T

D


16H-CC 26-29

147.97

161.82

F/C

M

T/R



D

T



T



17H-CC 23-26

157.45

172.29

F/C

M

T



T


T



D


18H-CC 23-26

166.91

182.98

R

M









D


19H-CC 23-26

176.43

193.29

R

M









D



   














162-984B-

   














17H-CC, 5-8

160.56

174.39

R

M




T





D


N.
pachyderma

(s.)

Pleistocene

18H-CC, 20-23

170.26

184.91

F

M




T




F

D


19H-CC, 0-2

179.55

195.84

A

G

T



T/R


R



A/D

T

20H-CC, 9-12

189.16

204.99

F

M









D


21H-2, 35-37

190.85

209.25

R

G


R

T





R

D

T

21H-3, 35-37

192.35

210.75

R

M







T


D


















Gr. inflata/Gg. bulloides

Pliocene

21H-4, 35-37

193.85

212.25

B

 










21H-6, 35-37

196.85

215.25

B

 










21H-7, 35-37

198.35

216.75

R

G

D







R

T


21H-CC, 7-10

198.59

216.99

F

M







D




22H-CC, 1-4

208.01

226.81

C

G

R




T



D



23H-CC, 8-11

217.68

237.76

C

G

C

F


R


T


A



24H-CC, 0-2

226.94

247.21

R

M


D






T



25H-CC, 14-17

236.58

258.30

R

M


D









26H-CC, 1-4

246.11

268.70

R

M

T







C



27H-CC, 14-17

255.79

278.29

R

M





F



A/D



28H-CC, 37-40

264.85

287.35

T

P











29H-CC, 1-4

274.29

296.79

R

M





T






30H-CC, 0-2

283.50

306.00

R

M








D



31H-CC, 38-41

293.43

315.93

R

M/G


D









32X-2, 35-37

295.35

317.85

B

 










32X-6, 35-37

301.35

323.85

B

 

T

T









32X-CC, 36-39

303.33

325.83

R

M

T







D



33X-1, 35-37

302.15

324.65

T

 

T

T






D


















N. atlantica/Gr. puncticulata

33X-2, 35-37

303.65

326.15

C

 




T


D




33X-CC, 39-42

311.66

334.16

B

 










34X-2, 35-37

313.25

335.75

B

 






D




34X-CC, 40-43

320.40

342.90

R

M







T




35X-2, 35-37

322.85

345.35

C

 

R





T

D




35X-CC, 40-43

330.88

353.38

T

 

T










36X-2, 95-97

333.05

355.55

R

M







D




36X-CC, 26-29

336.76

359.26

F

M

R





T

C




37X-CC, 35-38

349.99

372.49

B

 










38X-CC, 39-42

359.74

382.24

T

M

T






T




39X-CC, 20-23

369.07

391.57

A

G

F






D


R

T

40X-CC, 34-37

378.91

401.41

B

 





T





41X-CC, 34-37

387.86

410.36

B

 

T










42X-CC, 21-24

397.07

419.57

B

 






T




43X-CC, 35-38

407.82

430.32

R

M

D










44X-CC, 33-36

417.36

439.86

F

G

R






D

T



45X-CC, 33-36

427.07

449.57

F

M

F






D




46X-CC, 24-27

436.50

459.00

R/F

M







D




47X-CC, 41-44

446.35

468.85

F

M







D




53X-CC, 43-46

500.73

523.23

R

M

R






D




Note: Abbreviations as in Table 2. Horizontal black bars indicate zonal, epoch, and subepoch boundaries. Reader is referred to the PDF file for proper formatting.

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