W0 ê[f Ñ 0{,125]û7S÷ÿp.483-516ÿ N-] …...TL Sm ML Sm Mm Sm, TL Sm, Mm Sw Mm Sm Mm Sw ML...

7
mud silt very fine sand fine sand medium sand coarse sand very coarse sand granule pebble cobble * mud silt very fine sand fine sand medium sand coarse sand very coarse sand granule pebble cobble planar cross bed 150730-1 Facies Association Lower Shoreface Upper Shoreface Braided Fluvial Bay / Lake Center High-frequency Sequence SB SB SB SB SB SB SB TST TST TST TST TST TST TST Column Facies Gm Gm Sm Sg ML Sm Mm Sx Mm Sw Sm Sm Sm Mm Sm Mm Sm Lower Shoreface Upper Shoreface Braided Fluvial Bay / Lake Center ML Sm Sm Sm ML Sx Sx Mm Sw Mm Mm Sm Sm ML Sw Mm Mm Sm Mm SL Mm Sw Mm Sm Gm Sm Sw Gm Mm Sm Gm Sm Gm Gm Sm Gm Gm Gm LS LM, LS Sm High-frequency Sequence Column Facies SB SB SB TST TST LST LST LST LST TST SB LST TST SB SB SB TST TST SB SB SB TST SB SB SB SB TST TST TST Jinzu Group Sx Facies Association 24 20 32 22 32 35 38 40 Iwaine Fm. 100 m N Nirehara Fm. Ashiu Sandstone Mb. Jinzu Group. Nirehara Fm. Imozu Congromerate Mb. Imozu Congromerate Mb. Ashiu Sandstone Mb. A A’ B B’ * C’ C D D’ A-A’ B-B’ Nirehara Fm. Ashiu Sandstone Mb. Nirehara Fm. Imozu Congromerate Mb. mudstone sandstone conglomerate pallarel lamination erosion surface mud clasts gravel hummocky cross-stratification (HCS) & swaley cross-stratification (SCS) wave ripple trough cross bed SB sequence boundary LST lowstand systems tract TST transgressive systems tract HST highstand systems tract 10 m LEGEND burrows 150730-1 Nakajima et al. Fig. A1 地質学雑誌 第125巻7号(p.483-516)中嶋ほか オープンファイル

Transcript of W0 ê[f Ñ 0{,125]û7S÷ÿp.483-516ÿ N-] …...TL Sm ML Sm Mm Sm, TL Sm, Mm Sw Mm Sm Mm Sw ML...

Page 1: W0 ê[f Ñ 0{,125]û7S÷ÿp.483-516ÿ N-] …...TL Sm ML Sm Mm Sm, TL Sm, Mm Sw Mm Sm Mm Sw ML Formation / Member Iwaine Fm. Nirehara Fm. Ashiu Sandstone Mb. hummocky cross-stratification

mud

silt

very

fine

san

dfin

e sa

ndm

ediu

m s

and

coar

se s

and

very

coa

rse

sand

gran

ule

pebb

leco

bble

*m

udsi

ltve

ry fi

ne s

and

fine

sand

med

ium

san

dco

arse

san

dve

ry c

oars

e sa

ndgr

anul

epe

bble

cobb

le

○○○○○

○ ○ ○

○ ○ ○

○ ○

○ ○ ○○

○ ○ ○

planar cross bed

・150730-1

Facies Association

Low

er S

hore

face

Upp

er S

hore

face

Bra

ided

Flu

vial

Bay

/ La

ke C

ente

r

● ●

Hig

h-fre

quen

cy S

eque

nce

SBSB

SB

SB

SB

SBSB

TST

TST

TST

TST

TST

TST

TST

Column Facies

Gm

Gm

SmSgMLSm

MmSxMm

SwSm

Sm

SmMmSmMmSm

Low

er S

hore

face

Upp

er S

hore

face

Bra

ided

Flu

vial

Bay

/ La

ke C

ente

r

MLSm

Sm

SmML

SxSx

MmSwMm

MmSm

SmML

SwMmMmSm

MmSLMmSwMm

Sm

Gm

Sm

Sw

GmMmSm

Gm

Sm

Gm

Gm

Sm

Gm

Gm

Gm

LS

LM, LS

Sm

Hig

h-fre

quen

cy S

eque

nce

Column Facies

SB

SB

SB

TST

TST

LST

LST

LST

LST

TST

SBLST

TSTSBSB

SBTST

TST

SBSB

SB

TST

SB

SBSB

SB

TST

TST

TST

Jinzu Group

Sx

Facies Association

2420

32

22

32

35

38

40

Iwaine Fm.

100 m

N

Nirehara Fm.

Ashiu Sandstone Mb.

Jinzu Group.

Nirehara Fm.

Imozu Congromerate Mb.

Imozu Congromerate Mb. Ashiu Sandstone Mb.

A

A’

B

B’ *

C’

CDD’

A-A’B-B’

Nire

hara

Fm

.

Ash

iu S

ands

tone

Mb.

Nire

hara

Fm

.

Imoz

u C

ongr

omer

ate

Mb.

mudstone

sandstone

conglomerate

pallarel lamination

erosion surface

○mud clasts

gravel

hummocky cross-stratification (HCS)

& swaley cross-stratification (SCS)

wave ripple

trough cross bed

SB sequence boundaryLST lowstand systems tract

TST transgressive systems tract

HST highstand systems tract

10 m

LEGEND

burrows

150730-1

Nakajima et al. Fig. A1

地質学雑誌 第125巻7号(p.483-516)中嶋ほか オープンファイル

Page 2: W0 ê[f Ñ 0{,125]û7S÷ÿp.483-516ÿ N-] …...TL Sm ML Sm Mm Sm, TL Sm, Mm Sw Mm Sm Mm Sw ML Formation / Member Iwaine Fm. Nirehara Fm. Ashiu Sandstone Mb. hummocky cross-stratification

○ ○○○

○ ○○

○ ○ ○

○ ○

○ ○ ○ ○ ○ ○○ ○ ○ ○ ○ ○ ○

mud

silt

very

fine

san

dfin

e sa

ndm

ediu

m s

and

coar

se s

and

very

coa

rse

sand

gran

ule

pebb

leco

bble

TB

Mm

Sm

SwTL

Sm

MLSmMm

Sm, TLSm, Mm

SwMmSmMm

SwML

Form

atio

n / M

embe

rIw

aine

Fm

.N

ireha

ra F

m.

Ash

iu S

ands

tone

Mb.

hummocky cross-stratification (HCS)

& swaley cross-stratification (SCS)

pallarel lamination

Facies Association

/ EnvironmentColumn Facies

Bay

/ La

ke C

ente

r

Low

er S

hore

face

Upp

er S

hore

face

Terr

estri

al

m.f.s

TST

m.f.s

HST

SB

SB

SBm.f.sTST

SBm.f.s

TST

SBm.f.s

TST

SB

TST

m.f.s

TST

Hig

h-fre

quen

cy S

eque

nce

?

mud

silt

very

fine

san

dfin

e sa

ndm

ediu

m s

and

coar

se s

and

very

coa

rse

sand

gran

ule

pebb

leco

bble

Column

Bay

/ La

ke C

ente

r

Low

er S

hore

face

Upp

er S

hore

face

Terr

estri

al

Hig

h-fre

quen

cy S

eque

nce

FaciesFacies Association

/ Environment

○ ○ ○ ○ ○ ○

○○

○ ○ ○

○○

○○ ○

○○

○○

○ ○○

○ ○ ○

Sx

Mm

Sw

TL

TLMmSmSmTL

Sw

MLSwMLSw

MmSwML SB

m.f.s

SB

m.f.s

TST

SBm.f.s

TST

SB

TST

SBTST

SB

SB

TST

m.f.s

HST

TST

mud

silt

very

fine

san

dfin

e sa

ndm

ediu

m s

and

coar

se s

and

very

coa

rse

sand

gran

ule

pebb

leco

bble

Column

Bay

/ La

ke C

ente

r

Low

er S

hore

face

Upp

er S

hore

face

Terr

estri

al

Hig

h-fre

quen

cy S

eque

nce

FaciesFacies Association

/ Environment

○○ ○ ○ ○ ○

○ ○ ○ ○

Mm

SwTLML

SwML

Sw

MLSmML

○ ○ ○ ○

SmTLMm

MmSw

Sm

Sw

SB

TST

m.f.s

HST

SBTST

m.f.s

SBm.f.s

TST

SB

TST

m.f.s

SB

TST

m.f.s

m.f.s

TST

10m

mudstone

sandstone

tuff breccia

○mud clasts

trough cross bed

erosion surface wave ripple

key mudstone interval

SB sequence boundary

m.f.s maximum flooding surface

TST transgressive systems tract

HST highstand systems tract

SQa1

SQa2

SQa3

SQa4

SQa5

SQa6

SQa7 SQa7

SQa6

SQa5

SQa4

SQa3

SQa2

SQa1

LEGEND

SQa1 ~SQa7 cycle number

*

A-A’C-C’D-D’

Nakajima et al. Fig. A2

地質学雑誌 第125巻7号(p.483-516)中嶋ほか オープンファイル

Page 3: W0 ê[f Ñ 0{,125]û7S÷ÿp.483-516ÿ N-] …...TL Sm ML Sm Mm Sm, TL Sm, Mm Sw Mm Sm Mm Sw ML Formation / Member Iwaine Fm. Nirehara Fm. Ashiu Sandstone Mb. hummocky cross-stratification

137°2’ E

500 m

500 m

500 m

500 m

500 m

36°31’ N

137°10’ E

36°35’ N

137°5’ E

36°38’ N

36°36.5’ N

137°7’ E

36°38’ N

137°6.5’ E

120901-2

140519-2

140518-9

140518-5161107-1

120901-4

100 m

36º39.5’ N

137º4’ E

N

TGJ-9

Noto1414

Note

Imizu City

150730-1

140520-1

Kiritani

Koinami

Kubusu River

N

N

N

N

A B

C

D

E

N

F

120901-3

161107-3

Yamada River

Yamada Nakamura

Wada River

Senkoji

Tenguyama

Akae River

Hirabayashi

Tonami CityToyama City

Toyama City

Toyama City

Toyama City

Shimose

Senri Tunnel Jorakuji

Fig. A1

Nakajima et al. Fig. A3

地質学雑誌 第125巻7号(p.483-516)中嶋ほか オープンファイル

Page 4: W0 ê[f Ñ 0{,125]û7S÷ÿp.483-516ÿ N-] …...TL Sm ML Sm Mm Sm, TL Sm, Mm Sw Mm Sm Mm Sw ML Formation / Member Iwaine Fm. Nirehara Fm. Ashiu Sandstone Mb. hummocky cross-stratification

68.6 ± 0.7 Ma (n = 28)

17.6 ± 0.3 Ma (n = 20)

16.6 ± 0.2 Ma (n = 18)

14.8 ± 0.3 Ma (n = 11)

10

30

50

70

90

0.000

0.002

0.004

0.006

0.008

0.010

0.012

0.014

0.00 0.04 0.08 0.12 0.16

206 P

b/23

8

Pb/235

data-point error ellipses are 2

!"#$#!%&120901-2

58

62

66

70

74

78

82

0.0085

0.0095

0.0105

0.0115

0.0125

0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 207Pb/235U

data-point error ellipses are 2

!"#$%#&'150730-1

12

14

16

18

20

22

24

0.0018

0.0022

0.0026

0.0030

0.0034

0.0038

0.00 0.02 0.04 0.06

238 U

207Pb/235U

data-point error ellipses are 2

!"#$%#&!'()*+)+',-.140520-1

5

15

25

35

45

55

65

75

0.000

0.002

0.004

0.006

0.008

0.010

0.012

0.00 0.02 0.04 0.06 0.08

206 P

b/23

8 U

Pb/235U

data-point error ellipses are 2

!"#$#!%&120901-3

55

60

65

70

75

80

206P

b/23

8U a

ge (M

a)

13

14

15

16

17

18

19

20

21

206P

b/23

8U a

ge (M

a)

14

15

16

17

18

19

20

206P

b/23

8U a

ge (M

a)

12

13

14

15

16

17

18

19

20

206P

b/23

8U a

ge (M

a)

data-point error bars are 2 σ

data-point error bars are 2 σ

data-point error bars are 2 σ

data-point error bars are 2 σ

A a)

B

C

D

b)

a)

a)

a)

b)

b)

b)

n = 30

n = 30

n = 30

n = 30

Nirehara Fm. Detrital Zircon

Iwaine Fm.

Yamadanaka Tuff

Tenguyama Fm.

Nakajima et al. Fig. A4

地質学雑誌 第125巻7号(p.483-516)中嶋ほか オープンファイル

Page 5: W0 ê[f Ñ 0{,125]û7S÷ÿp.483-516ÿ N-] …...TL Sm ML Sm Mm Sm, TL Sm, Mm Sw Mm Sm Mm Sw ML Formation / Member Iwaine Fm. Nirehara Fm. Ashiu Sandstone Mb. hummocky cross-stratification

12.4 ± 0.5 Ma (n = 4)

3.9 ± 0.3 Ma (n = 4)

4.3 ± 0.1 Ma (n = 11)

2.84 ± 0.07 Ma (n = 11)

Nakajima et al. Fig. A5

10

30

50

70

0.000

0.002

0.004

0.006

0.008

0.010

0.012

0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14

206

238

207Pb/235U

data-point error ellipses are 2

!"#$!%&'()*&!

140519-2

10

30

50

70

0.000

0.002

0.004

0.006

0.008

0.010

0.012

0.00 0.02 0.04 0.06 0.08 0.10 0.12 207 235U

data-point error ellipses are 2

!"#$!%&'()*&+,-./

20

60

100

140

180

220

260

300

340

0.00

0.01

0.02

0.03

0.04

0.05

0.0 0.1 0.2 0.3 0.4 0.5 207Pb/235U

data-point error ellipses are 2

!"#$#!%&

4

5

6

7

0.0002

0.0004

0.0006

0.0008

0.0010

0.00 0.01 0.02 0.03

206 P

b/23

8 U

207Pb/235U

data-point error ellipses are 2

!"#$#!%&

120901-4

n = 30

140518-9

140518-5

n = 30

n = 30

n = 30

11

12

13

14

206P

b/23

8U a

ge (M

a)

2

3

4

5

6

7

206P

b/23

8U a

ge (M

a)

3.5

4

4.5

5

5.5

2.22.4

2.6

2.8

33.2

3.4

3.6

206P

b/23

8U a

ge (M

a)20

6Pb/

238U

age

(Ma)

data-point error bars are 2 σ

data-point error bars are 2 σ

data-point error bars are 2 σ

data-point error bars are 2 σ

A a)

B

C

D

a)

a)

a)

b)

b)

b)

b)

OT1

OT3

Shimose Tuff

Mita Fm.

地質学雑誌 第125巻7号(p.483-516)中嶋ほか オープンファイル

Page 6: W0 ê[f Ñ 0{,125]û7S÷ÿp.483-516ÿ N-] …...TL Sm ML Sm Mm Sm, TL Sm, Mm Sw Mm Sm Mm Sw ML Formation / Member Iwaine Fm. Nirehara Fm. Ashiu Sandstone Mb. hummocky cross-stratification

0

2

4

6

8

10

12

0 40 80 120 160 200

Detrital

Number of grains

Age (Ma)

150730-1n = 30

Nirehara Fm. Detrital FT69.0 ± 2.9 Ma (1σ)n = 30

A B

C D

E F

G H

a) b)

0

1

2

3

4

5

6

7

8

0 4 8 12 16 20 24 28

Primary

Number of grains

Age (Ma)

140520-1n = 30

Iwaine Fm.13.5 ± 0.7 Ma (1σ)n = 30

a) b)

0

2

4

6

8

10

0 4 8 12 16 20 24 28

DetritalPrimary

Number of grains

Age (Ma)

120901-3

n = 30

Yamadanaka Tuff

16.4 ± 1.2 Ma (1σ)n = 29

a) b)

0

2

4

6

8

10

12

0 20 40 60 80 100

DetritalPrimary

Number of grains

Age (Ma)

120901-2

n = 30

Tenguyama Fm.

14.8 ± 0.7 Ma (1σ)n = 11

a) b)

140519-2

n = 30

0

2

4

6

8

10

12

14

16

0 20 40 60 80 100 120

DetritalPrimary

Number of grains

Age (Ma)

OT112.6 ± 0.9 Ma (1σ)n = 28a) b)

0

5

10

15

0 10 20 30 40 50 60

DetritalPrimary

Number of grains

Age (Ma)

140518-9n = 30

120901-4

4.0 ± 0.3 Ma (1σ)n = 28

OT3

a) b)

Shimose Tuff Mita Fm.

n = 30

0

5

10

15

20

0 10 20 30 40 50 60 70 80

DetritalPrimary

Number of grains

Age (Ma)

3.2 ± 0.3 Ma (1σ)n = 11a)

0

2

4

6

8

10

0 1 2 3 4 5 6 7 8 9 10

Primary

Number of grains

Age (Ma)

140518-5

n = 30 2.7 ± 0.2 Ma (1σ)n = 30

b) a) b)

Nakajima et al. Fig. A6

地質学雑誌 第125巻7号(p.483-516)中嶋ほか オープンファイル

Page 7: W0 ê[f Ñ 0{,125]û7S÷ÿp.483-516ÿ N-] …...TL Sm ML Sm Mm Sm, TL Sm, Mm Sw Mm Sm Mm Sw ML Formation / Member Iwaine Fm. Nirehara Fm. Ashiu Sandstone Mb. hummocky cross-stratification

020406080100

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

All Minerals

VGLMHMLTHOthers

020406080100

1

1.5

4

2.5

5

3.5

2

4.5

3

5.5

Glass type

HaHbCaCbTaTbIt

020406080100

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

OpxCpxBHbGHBOpqZrBt

0

10

20

30

40

50

60

1.49 1.495 1.5 1.505 1.51

0

10

20

30

40

50

60

1.49 1.495 1.5 1.505 1.51

0

10

20

30

40

50

60

1.49 1.495 1.5 1.505 1.51

0

10

20

30

40

50

60

1.49 1.495 1.5 1.505 1.51

0

10

20

30

40

50

60

1.49 1.495 1.5 1.505 1.51

0

5

10

15

20

25

30

1.681.6851.691.695 1.7 1.7051.711.7151.721.7251.731.7351.741.7451.751.7551.76

0

5

10

15

20

25

30

1.681.6851.691.695 1.7 1.7051.711.7151.721.7251.731.7351.741.7451.751.7551.76

0

5

10

15

20

25

30

1.681.6851.691.695 1.7 1.7051.711.7151.721.7251.731.7351.741.7451.751.7551.76

0

5

10

15

20

25

30

1.68 1.69 1.7 1.71 1.72 1.73 1.74 1.75 1.76

0

5

10

15

20

25

30

1.68 1.69 1.7 1.71 1.72 1.73 1.74 1.75 1.76

161107-1

120901-4

140518-5

161107-3

941020-1

Sample Heavy MineralAll Mineral Glass Type

0 20 40 60 80 100% 0 20 40 60 80 100% 0 20 40 60 80 100%

Refractive indices of volcanic glasses Refractive indices of Opx

1.49 1.495 1.50 1.505 1.51 1.68 1.69 1.70 1.71 1.72 1.73 1.74 1.75 1.76

0102030405060

(count)

0102030405060

0102030405060

0102030405060

0102030405060

0

10

20

30

0

10

20

30

0

10

20

30

(count)

0

10

20

30

0

10

20

30

Nakajima et al. Fig. A7

地質学雑誌 第125巻7号(p.483-516)中嶋ほか オープンファイル