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Table 1 UTM coordinates, lithology, crystal-chemical parameters and bulk mineralogy of very low-grade metamorphic rocks of Arisaig Group

From: Fluid-driven low-grade metamorphism in polydeformed rocks of Avalonia (Arisaig Group, Nova Scotia, Canada)

 

Coordinates (UTM-N20)

Lithology

CIS (KI)

b Ms (Å)

d001 (Å) bulk

b Chl (Å)

Fe Chl

Mineral composition Chl, K-rich mica, Qz (all the samples)

10 Å

5 Å

10 Å

Easting

Northing

<2 μm

<2 μm EG

<2 μm

Bulk

Ms

Chl

AG-2

E565287

N5068529

Shale

0.73

0.68

0.43

0.57

 

9.980

14.136

  

Ab, Kln, I/S

AG-3

E564341

N5067451

Shale

0.87

0.68

0.40

0.54

  

14.114

9.308

2.9

I/S

AG-4

E564869

N5066666

Shale

0.39

0.41

0.28

   

14.109

  

Ab, C/S

AG-5

E564827

N5066306

Shale

0.33

0.33

0.30

0.19

8.997

 

14.164

9.291

2.4

Ab, C/S

AG-6

E564967

N5066044

Shale

0.32

0.36

0.25

0.21

9.039

9.961

14.153

9.301

2.7

Ab, C/S

AG-7

E565040

N5065853

Shale

0.29

0.28

0.27

0.25

 

9.957

14.170

  

Ab

AG-8

E361653

N5065422

Shale

0.56

0.46

0.42

0.39

9.018

9.969

14.225

  

I/S, Kln

AG-9

E567244

N5067623

Shale

0.28

0.27

0.20

0.15

9.005

9.976

14.147

9.289

2.3

Ab, C/S, Or

AG-10

E567582

N5068430

Shale

0.33

0.32

0.26

0.20

 

10.009

14.131

9.312

3.1

Ab, Cc, C/S, Or, Na–K mica

AG-11

E568618

N5069982

Shale

0.50

0.47

0.38

0.13

 

10.003

14.120

9.309

3.0

I/S, Ab, Or, C/S

AG-12

E556102

N5051743

Shale

1.02

0.69

0.47

  

9.969

14.092

  

Fsp, I/S

AG-13

E554619

N5049186

Sandstone

0.61

0.37

 

0.26

 

9.961

14.136

  

Ab, I/S, C/S

AG-14

E554222

N5048485

Shale

0.70

0.51

0.21

0.30

8.995

9.978

14.142

  

I/S, Fsp, C/S, Kln

AG-15

E550113

N5047420

Shale

0.59

0.49

0.30

0.45

 

9.961

14.114

  

Fsp, I/S, C/S

AG-16

E544970

N5045355

Shale

0.68

0.58

0.43

0.28

 

9.976

14.142

  

Ab, I/S, C/S

AG-17

E541307

N5043643

Siltsone

0.68

 

0.32

0.43

9.026

9.971

14.131

  

Ab, I/S, C/S

AG-18

E540146

N5043478

Shale

0.75

0.69

0.42

0.30

 

9.957

14.164

 

 

Ab, I/S, C/S

  1. Mineral abbreviations according to Whitney and Evans (2010): Ab albite, Chl chlorite, Fsp feldspar, Kln kaolinite, Or orthoclase, Qz quartz, I/S illite-smectite mixed-layers, C/S chlorite-smectite mixed-layers