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Table 3 Summary mineral compositions for the modelled samples

From: Eclogitic metamorphism in the Alpine far-west: petrological constraints on the Banchetta-Rognosa tectonic unit (Val Troncea, Western Alps)

  

North La Grangia section

Vallonetto section

ac44

vt8

ac74

Wm

Ph

Si = 3.40–3.62

Si = 3.29–3.38

Si = 3.32–3.56

Ms

Si = 3.01–3.03

Si = 3.13–3.28

Si = 3.01–3.03

Pg

Na = 1.90–1.95

Na = 1.72–1.86

Na = 1.80–1.90

Gln

Na(B) = 1.96–2.00

Ca(B) = 0.00

XMg = 0.56–0.67

Na(B) = 1.96–2

Ca(B) = 0.00

XMg = 0.59–0.67

 

Jd

  

XAcm = 0.05–0.11

Cld

XMg = 0.15–0.18

XMg = 0.14–0.19

XMg = 0.13–0.14

Chl

XMg = 0.47–0.54

XMg = 0.43–0.58

XMg = 0.32–0.35