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Table 9 Modal percentages of the garnet-bearing gneiss (ZR4) mineral constituents obtained via Q-XRMA

From: Blueschist mylonitic zones accommodating syn-subduction exhumation of deeply buried continental crust: the example of the Rocca Canavese Thrust Sheets Unit (Sesia–Lanzo Zone, Italian Western Alps)

Thin section image analysis results

Microdomain image analysis results

Garnet microdomain image analysis results

Mineral

Pixels

%

Mineral

Pixels

%

Sub-phase

Pixels

%

Wm

27,885

31.87

Wm

99,980

39.99

Grt1

6370

2.55

Grt

7492

8.56

Grt

16,105

6.44

Grt2a

1519

0.61

Cpx

26,791

30.62

Cpx

54,916

21.97

Grt2b

5095

2.04

Qtz

19,904

22.75

Qtz

56,986

22.79

Grt3

1096

0.44

Ep

310

0.35

Ep

15,208

6.08

Other

235,892

94.36

Ttn

4727

5.40

Ttn

3214

1.29

Am

373

0.43

Am

3448

1.38

Ap

0

0.00

Ap

115

0.05

Total

87,482

99.98

Total

249,972

99.99

Total

249,972

99.99

Maps res.

87,500

100.00

Maps res.

250,000

100.00

Maps res.

250,000

100.00