Rock

Mafic granulite in the shear zone

Khondalite in the shear zone

Sample No

PK3/2B/05 (Figure 2(f))

PK4/2/05 (Figure 2(b))

Plagioclase

Garnet

Orthopyroxene

Garnet

Ilmenite

SiO₂

60.21

37.5

51.28

38.54

0.05

TiO₂

-

-

-

-

45.84

Al₂O₃

22.55

19.56

0.58

21.86

-

FeO

-

33.56

34.51

28.15

52.08

MnO

-

1.1

0.33

2.09

0.66

MgO

-

3.74

13.91

7.82

1.11

CaO

6.12

3.6

0.32

1.45

-

Na₂O

8.84

-

-

-

-

K₂O

0.15

-

-

-

-

Total

97.88

99.03

100.95

100.06

99.74

Si

2.74

3.05

2

2.99

-

Ti

-

-

-

-

0.99

Al

1.21

1.87

0.03

2

-

Fe^{2 +}

-

2.28

1.13

1.83

0.96

Fe^{3 +}

-

-

-

-

0.01

Mn

-

0.08

0.01

0.14

0.02

Mg

-

0.45

0.81

0.91

0.03

Ca

0.3

0.31

0.01

0.12

-

Na

0.78

-

-

-

-

K

0.01

-

-

-

-

Cat. total

5.05

8.03

3.99

7.99

2.01

P-T estimate

5.1 Kbar, at 600˚C

4.7 Kbar at 600˚C