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Swiss Journal of Geosciences

Table 1 Composition of TGU eclogite SW9

From: The Theodul Glacier Unit, a slab of pre-Alpine rocks in the Alpine meta-ophiolite of Zermatt-Saas, Western Alps

Major el.

wt%

Trace el.

ppm

SiO2

46.25

Ba

18

TiO2

3.00

Co

52

Al2O3

13.03

Cr

589

FeOa

11.87

Cu

34

MnO

0.19

Nb

50

MgO

9.10

Ni

203

CaO

11.75

Pb

5

Na2O

1.91

Sc

29

K2O

0.09

Sr

337

P2O5

0.46

V

283

LOI

1.57

Y

30

Total

99.22

Zn

164

  

Zr

231

#Mgb

0.58

Rb

0

  1. aTotal iron as FeO
  2. b#Mg = Mg number (Mg/(Mg + Fe)) in atoms, LOI = loss on ignition
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