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Table 3. Distribution of Bolboforma in the Bolboforma metzmacheri Zone and in the B. capsula Zone of the upper Miocene of Hole 982B.

Core, section,
interval (cm)
Depth (mbsf) Bolboforma (abundances) B. laevis B. metzmacheri metzmacheri B. metzmacheri ornata B. pentaspinosa B. polygonalis B. deformis B. metzmacheri solida B. contorta sculpturata B. contorta contorta B. gracilireticulata B. furcata B. capsula B. robusta B. superba B. aculeata B. verrucosa Cyst Two-chambered cyst Bolbo. div. sp. (redeposited) Bolboforma Zone Series












































B. metzmacheri upper Miocene

162-982B-










































29X-4, 19-21

263.59

R

R

T

T

































29X-CC

264.84

C

R

T

R































7

31X-1, 19-21

278.39

C

C

C

R

































31X-2, 19-21

279.89

C

C

C

C

































31X-3, 19-21

281.39

C

C

C

R















T















8

31X-4, 19-21

282.89

C

C

R

T



cf











T















2

31X-5, 19-21

284.39

C

C

R

R

T

























R

R



31X-6, 19-21

285.89

C

C

R

R















T

















31X-7, 19-21

287.39

A

C

A

T

































31X-CC

287.57

A

A

R

R

T

R





























32X-1, 19-21

287.99

A

R

C

R



A





























32X-2, 19-21

289.49

A

A



T

T

























T



1

32X-3, 19-21

290.99

C

C

T

T



T



























2

32X-4, 19-21

292.49

C

C

R

R



T



























1

33X-1, 19-21

297.59

C

C

C

R

T

























R





33X-2, 19-21

299.09

C

C

R

R

T



T

























1

33X-3, 19-21

300.59

C

C

C

C

T









T



R















2

33X-4, 19-21

302.09

A

A

T

T

































33X-5, 19-21

303.59

C

C

T



T













T

















33X-6, 19-21

305.09

C

C

T

T

T











T

















2

34X-1, 19-21

307.29

R

R

T

T

T













R















2

34X-2, 19-21

308.79

C

C

T

T

T







R

T

T

















1, 5

34X-3, 19-21

310.29

C

C

R

T

T









T

T

















2, 6

34X-4, 19-21

311.79

C

C

R

T

R











R

R











T



2

34X-5, 19-21

313.29

R

R

T



R





























1, 6, 8

34X-6, 19-21

314.79

C

C

R

R

R











T

T















2, 8

35X-1, 19-21

316.89

A

R

A

































2, 8

35X-2, 19-21

318.39

C

T

C

R



























R



8

35X-3, 19-21

319.89

A

C

A

C

R































35X-4, 19-21

321.39

C

C

T

T

































36X-1, 19-21

326.49

A

A

T









T

























36X-2, 19-21

327.99

A

A





T





T



















R





36X-3, 19-21

329.49

A

C





T





A



















R



9

36X-4, 19-21

330.99

A

T

T



T





A



















R






36X-5, 19-21

332.49

A







T





cf









A













2
B. capsula

36X-CC

333.99

A

T





T













T

A















37X-1, 19-21

336.19

A







T











T

R

A













2

37X-2, 19-21

337.69

C























C













2

37X-3, 19-21

339.19

A

R





















A













2, 5, 8

37X-4, 19-21

340.69

A

C





















A













2, 9

37X-5, 19-21

342.19

A







T















A













2

37X-6, 19-21

343.69

A







R















A















38X-1, 19-21

345.79

C







R















C













2

38X-2, 19-21

347.29

A

C





















A













8, 9, 10

38X-3, 19-21

348.79

C























R

C













38X-4, 19-21

350.29

A























R

A













38X-5, 19-21

351.79

C

T





















C

A











2, 9

38X-6, 19-21

353.29

A



















T





A











2

39X-1, 19-21

355.39

C

R













R







R

C











2, 8

39X-2, 19-21

356.89

C

C













T







C

C











2, 5, 8

39X-3, 19-21

358.39

A

A













T







C













2, 8

39X-4, 19-21

359.89

A

A



























R







8, 9

39X-5, 19-21

361.39

C

T













R

R









R

C



R

T

8, 9

40X-1, 19-21

365.09

A





























A









40X-2, 19-21

366.59

A

R

























R

T

A

R





40X-3, 19-21

368.09

A

C



T

















T



R

C

R






                                           

Notes: The zonal markers are indicated by gray columns. Various redeposited Bolboforma taxa of the middle Miocene are numbered as 1 = B. capsula, 2 = B. badenensis, 5 = B. platyreticulata, 6 = B. danielsi, 7 = B. subfragoris (heavily recrystallized by carbonate), 8 = B. fragori and B. subfragoris, 9 = B. compressispinosa, 10 = B. subfragoris magna. Abbreviations as in Table 1.

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