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

Swiss Journal of Geosciences

Table 2 Intensity and distribution of the alteration

	Valle dell’Elvo	Val Oropa	Valle del Cervo	Bocchetta di Sessera	Val Sessera
Calcite	x	xxx	xxx	xx	x
Chlorite	x	xx	xx	x	x
Quartz	x	xx	xx	x	x
Clay minerals	x	xx	xx	x	x
Hematite/lepidocrocite	xx	x	x	x	x
Zeolite	x	x	x
Pumpellyite	x
Serpentine	x