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Table 2 Age model based on the oxygen isotope record for the Anno Formation

From: Pliocene integrated chronostratigraphy from the Anno Formation, Awa Group, Boso Peninsula, central Japan, and its paleoceanographic implications

Sample name

Thickness (m)

Age (Ma)

MIS

MM32

307.7

3.19

KM5

MM26

304.9

3.20

KM5

MM23

303.35

3.30

M2

MM14

298.8

3.32

MG1

MM11

297

3.34

MG2

HN06

283.6

3.37

MG3

HN09

278.6

3.38

MG4

HN12

272.4

3.41

MG5

HN17

264.5

3.46

MG6

HN22

254.9

3.50

MG7

HN26

251.2

3.53

MG8

HN32

246.2

3.54

MG9

HN43

236.8

3.56

MG10

HN48

230.8

3.57

MG11

HN49

229.7

3.58

MG12

HN57

221.7

3.60

Gi1

HN148

51.3

4.30

Co4

HN91

47.7

4.33

CN1?

HN99

36.1

4.37

CN4

HN105

27.2

4.39

CN5

HN110

21.1

4.45

CN8

HN113

13.9

4.48

N1

HN149

10.9

4.49

N2

HN119

7.4

4.52

N3

HN123

3.2

4.54

N4