Table 1 List of the analysed samples. Mineral abbreviations are from Whitney and Evans (2010)

Malone Valley

 AV16-44

N 45° 21′ 29.64″

E 09° 31′ 03.00″

Blueschist

Gln (50%) + Grt (20%) + Spn (10%) ± Ep ± Ph ± Aln ± Ap ± Cpx ± Chl (retrograde) ± Amp (retrograde) ± Zrn

 ~ 1.7 GPa

500 °C^c

 AV16-45

N 45° 21′ 29.64″

E 09° 31′ 03.00″

Micaschist

Qz (35%) + Ph (35%) + Grt (15%) + Pg (5%) ± Chl ± Ab ± Spn ± Aln ± Zrn

 ~ 1.7 GPa

500 °C^c

 AV16-51

N 45° 21′ 29.64″

E 09° 31′ 03.00″

Lws-micaschist

Qz (30%) + Wm (15%) + Chl (15%) + Czo (Lws pseudomorphs) (10%) + Grt (10%) + Gln (10%) + Spn (5%) ± Aln ± Zrn

 ~ 1.7 GPa

500 °C^c

 AV16-47

N 45° 21′ 29.64″

E 09° 31′ 03.00″

Eclogite

Matrix: Gln (50%) + Grt (20%) + Ep (15%) ± Ph ± Zo ± Ap ± Chl (retr.) ± Amp (retrograde) ± Ab (retrograde) ± Spn ± Zrn

Boudin core: Omp (90%) ± Spn ± Amp (retr.) ± Ab (retrograde)

Boudin rim: Ep (55%) + Spn (35%) ± Grt ± Zrn

 ~ 1.7 GPa

500 °C^c

Ivozio Complex

 AV16-21

N 45° 32′ 09″

E 07° 50′ 46″

Eclogite

Domain 1: Grt (50%) + Omp (25%) + Gln (15%) ± Ph ± Rt ± Py

Domain 2: Qz (30%) + Grt (30%) + Ph (30%) ± Ep ± Rt

1.8–2.3 GPa

550–600 °C^d

 AV16-53

N 45° 32′ 10.20″

E 07° 50′ 46.44″

Blueschist

Grt (50%) + Gln (40%) ± Cpx (relics) ± Rt ± Aln ± Ph ± Zo ± Qz ± opaques

1.8–2.3 GPa

550–600 °C^d

 AV16-57

N 45° 32′ 14.58″

E 07° 50′ 45.88″

Eclogite

Omp (50%) + Grt (25%) + Gln (15%) + Ph (15%) + Chl (retrograde) ± Rt ± Aln ± opaques

1.8–2.3 GPa

550–600 °C^d

Chiusella Valley

 VC10-04

N 45° 33′ 03.70″

E 07° 43′ 43.20″

Mn-rich quartzite

Qz (60%) + Grt (20%) + Gln (15%) ± Aln ± Zrn

 ~ 1.8 GPa

550 °C^e

Monte Mucrone

 AV17-07

N 45° 37′ 52.98″

E 07° 56′ 23.58″

Micaschist

Ph (35%) + Grt (35%) + Pg (15%) + Qz (5%) ± Rt ± Aln ± Zrn ± Chl ± Cpx (relics) ± opaques

1.3–1.5 GPa

500–600 °C^f

 AV17-16

N 45° 37′ 51.18″

E 07° 56′ 34.24″

Eclogite

Matrix: Gln (30%) + Grt (25%) + Omp (20%) + Ph (10%) + Pg (5%) ± Rt ± Ap ± Zrn

Veins: Ph (40%) + Grt (30%) + Gln (20%) ± Rt ± Ep

1.3–1.5 GPa

500–600 °C^f