Dating emplacement and evolution of the orogenic magmatism in the internal Western Alps: 2. The Biella Volcanic Suite

Swiss Journal of Geosciences

Table 3 Main alteration minerals

	Alteration primary minerals south	Alteration primary minerals north	Void infillings south	Void infillings north	Veins in Val Oropa	Veins in Valle del Cervo	Veins in Val Sessera
Calcite	xxx	xx	x	x	xxx	xxx	x
Chlorite	xxx	x	x	x
Quartz			x	x	xx	xx	x
Clay minerals	xxx	xxx	x	x
Hematite/lepidocrocite	x	x	x	x
Zeolite			x	x
Pumpellyite			x
Serpentine			x
Ankerite					xxx	xxx
Tourmaline						xxx
Barite					x