Table 1

Location, name, structure and modal proportion of samples used in this study.

Rock type Sample Massif UTM X UTM Y Structure Hbl Plag Fe-Ti oxide Biotite Quartz Epidote Apatite
Hbldite TUL3 Tulle/St Féréole 403507 5015030 Igneous 98.0 1.5 0.5        
Hbldite JAM10 Tulle/St Féréole 404298 5014202 Igneous 100            
Hbl Gabbro JAM11 Tulle/St Féréole 404298 5014202 Igneous 59.5 31.0 9.5        
Hbl Gabbro TUL1 Tulle/St Féréole 403507 5015030 Igneous 54.5 41.0 4.5        
Diorite SPL St Jean Ligoure 376295 5058019 Deformed 22.5 60.0 4.0 10.0 2.0   1.5
Qz diorite BEA1 Beaulieu 407251 4982188 Igneous 25.0 52.5 2.0 12.0 8.0   0.5
Qz diorite BEA2 Beaulieu 407659 4980817 Igneous 26.0 52.5 2.5 11.5 7.0   0.5
Qz diorite DBD Beaulieu 407204 4982545 Igneous 24.0 48.5 4.0 13.0 10.0   0.5
Qz diorite BIA Burgnac 356430 5062803 Igneous 21.0 50.0 2.0 16.0 10.5   0.5
Qz diorite FRO Burgnac 355494 5062118 Deformed 19.0 52.0 2.0 16.5 10.0   0.5
Qz diorite SAJ12A St Julien 372827 5031982 Igneous 13.5 54.0 2.0 15.0 12.5 2.5 0.5
Qz diorite SAJ13 St Julien 372827 5031982 Igneous 18.5 54.0 1.5 14.0 10.0 1.5 0.5
Qz diorite TUL2 Tulle/St Féréole 403507 5015030 Deformed 12.5 54.0 1.5 16.0 12.5 3.0 0.5
Tonalite DCAP Capdenac 430056 4936533 Gneissic 10.5 47.5   24.5 17.0   0.5
Tonalite FIG Capdenac 428117 4932678 Igneous 2.0 50.5 0.5 25.0 18.5 3.0 0.5
Tonalite MAR1 Tulle/St Féréole 389666 5009461 Deformed 10.5 54.0 1.5 16.5 16.0 1.0 0.5
Tonalite MAR2 Tulle/St Féréole 389666 5009461 Deformed 7.5 55.5 2.0 17.0 14.5 3.0 0.5
Tonalite SHB St Jean Ligoure 370973 5065249 Deformed 15.5 52.5 1.0 15.5 15.0   0.5
Tonalite SJL St Jean Ligoure 368521 5060793 Deformed 12.5 45.0   24.5 13.0 4.0 1.0
Tonalite STC St Céré 410120 4963275 Igneous 5.0 50.0 1.0 21.5 21.0 1.0 0.5

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