12. SEDIMENT THIN SECTION DATA

G. V. WoodBritish Petroleum Research Centre, London, England

Sample Designation8

1 9 5 114-117

3 7 1 109-1123 10 Catcher4 1 1 0-374 1 4 954 2 1 36-394 2 1 36-394 2 1 40-414 3 1 118-1224 4 1 51-554 4 1 51-554 4 1 51-555 1 2 33-375 1 2 83-855 1 3 28-305 2 1 3-75 2 1 3-75 2 1 29-325 2 1 69-725 3 1 top5A 1 Catcher5A 2 1 55A 2 1 15.5-21.55A 2 Catcher5A 3 Catcher5A 4 1 9-125A 4 1 9-125A 5 Catcher5A 6 Catcher5 A 7 Top of Catcher5 A 7 Middle of Catcher5A 7 Bumper sub6 6 1 129-1326 6 2 0-56 6 Catcher7 2 Catcher

Hole-Core-Section-Depth in centimeters from top of section.

349

Particulate Components

„ , Non-Carbonate _, ,

CarbonateNon-Skeletal „ , , , « . , rv

Particles Skeletal Particles Quartz

c •c o

15_ Z I2 21 2_Z

A_2L

—~zziiM^——ii——y————————2 ZI

10 Z 40"Z ^

55 Y 7 _ _ _ _ _ _ _ _ > _50-X 2_ ZI40 X 5_ZI _"ZIZ9_X!ZI io_ ~XL ZI ZIZp_ 5̂ ZI_ ZI" ' ~ZZL10.X 2 ZI

2p_ ~yr20_ X!5 j/\ ^ _ ^ _ . ^ ^ ^ _ _ _ _ _ _ _ _ _ _

30"Z X X ~55_ Z! 2C 2_Zso. ZZ- S ; 2_zi

I 1 1 1 5 1 I 1 1 I 1 1 1 1 \/ \ I 1 5 \/\ \

12. SEDIMENT THIN SECTION DATA - Continued

Sample Designation8

1 9 5 114-1173 7 1 109-1123 10 Catcher4 1 1 0-374 1 4 954 2 1 36-394 2 1 36-394 2 l 40-414 3 1 118-1224 4 1 51-554 4 1 51-554 4 1 51-555 1 2 33-375 1 2 83-855 1 3 28-305 2 1 3-75 2 1 3-75 2 1 29-325 2 1 69-725 3 1 top5A 1 Catcher5A 2 1 55A 2 1 15.5-21.55A 2 Catcher5A 3 Catcher5A 4 1 9-125A 4 1 9-125A 5 Catcher5A 6 Catcher5 A 7 Top of Catcher5 A 7 Middle of Catcher5A 7 Bumper sub6 6 1 129-1326 6 2 0-56 6 Catcher7 2 Catcher

Particulate Components

Non-Carbonate

Feldspar

13"oH

1

1

OJD_ C

3c'1H

<D

l

/

(SO

'5_c

HT3

o-4—1

ECGO

ooOl•q

ü

CΛ

C

H

T3*

CΛUH

o<D

e•g

Rock Fragments

oH

<DCΛON

σj

α

O<Dorto

<D

O

>

IM<D

&

u

Organic

13oH

510201520

55

50

.2

*o-3

/yVSe

CΛO

CΛ

<‰>

öot/3

/

/

X

CΛOßcβhM

Pu-t-"Ca

Su

CΛ

O-t->

«a

Q

enI•H

<D

δ

Hole-Core-Section-Depth in centimeters from top of Section.

350

X - Oi hur aanJ'

Particulate Components

Non-Carbonate Matrix or Cement

Miscellaneous Carbonate n , ,Carbonate

Mica n..eaV^, Calcite Dolomite EvaporitesMineral

on

I j 11 ] 11 i i i 111J i ; } I iz^^m^^^ zzzz~iziz 9Ö

5 2 _ ^ ~X-~Tl 25_3

4098_"

100_50

_mp_45

" 50__5_5^. 45_ _ 5 _ _3

2020__5

88

95988()

" m" 95

__9p^20 50

LZ ~ZL ZZ 3TLZ ^ZL 37"s i 1 M / 1 1 1 / 1 1 1 1 1 1 h o i 1 1 1 1 1 1 1

351

12. SEDIMENT THIN SECTION DATA - Continued

Sample Designation8

1 9 5 114-1173 7 1 109-1123 10 Catcher4 1 1 0-374 1 4 954 2 1 36-394 2 1 36-394 2 1 40-414 3 1 118-1224 4 J 51-554 4 1 51-554 4 1 51-55•5 1 2 33-375 1 2 83-855 1 3 28-305 2 1 3-75 2 1 3-75 2 1 29-325 2 1 69-725 3 1 top5A 1 Catcher5A 2 1 55A 2 1 15.5-21.55A 2 Catcher5A 3 Catcher5A 4 1 9-125A 4 1 9-125A 5 Catcher5A 6 Catcher5 A 7 Top of Catcher5 A 7 Middle of Catcher5 A 7 Bumper sub6 6 1 129-1326 6 2 0-56 6 Catcher7 2 Catcher

Matrix or Cement

Clays

13+JoH

8390

40

7

14

'o

α>

' o

<D

GO

<ü

x

X

x

<D

• D

o<ü

isT3cD

.gcd

s

X

//

Silica

"J3-<->o

H95

7

9595

50

9380707075

5

N

<S<D

×/×x

X

xs?Sex

/

Miscellaneous

13oH5

10555

2

12

21010155

11

e

εs

<D•l-J

ea

&CΛ

O

£

13o

U

<u

I"

/

/XΛ//

/

//

<DT3'3o

<D

UH

X

XΛ8X

/

//

en<D

-t->

'o<D

N

/

CΛ

1-4

<D

,0o

Hole-Core-Section-Depth in centimeters from top of Section.

352

/ Present

X Abundant

Structures / Textures

Fractures

Silic

a

/

Car

bona

te

Anh

ydri

te

Oth

ers

Rec

ryst

allis

ed

Styl

olite

s

Gra

ded

Cur

rent

Bed

ding

Gra

in W

eldi

ng

Bre

ccia

tion

Bio

turb

atio

n

Remarks

Preferred orientation - haematite after mica.Clay nodule - ? bored.Clay nodule - ? algal structure.Iron skinned nodule-chert replaced basalt.Iron skinned nodule-chert replaced basalt.

Porosity in spherical voids - ? after Radiolaria.

Euhedral illite - ? replacement

Possible pellets - voids after Radiolaria.

Bedded radiolarite.Radiolarite.Banded radiolarite.Some voids after Radiolaria.

Chalcedonic infilling of fracture.

Abundant miliolids.

353