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Fig. 3. Sketch Plan of Lanzo Valleys, Grajan Alps. 
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Fig. 4. Sequence of ‘ ‘3 
Crystalline Rocks in Biella 
Cervo Valley, Northern 460. 
Piémont. 
Fig 3. S=serpentine: A=amphibolites, prasinites and 
euphodites ; P=peridotite and |herzolite ; CS =calc-schist ; 
“MS = mica-schist. 
