 Alteration of the erupted rocks has given rise to clay, chlorite, epidote and illite.Magma genesis at Paniri appears to involve both the assimilation of crustal rocks in the Altiplano-Puna volcanic complex and fractional crystallization processes in shallow magma chambers.The fairy shrimp "Branchinecta brushi" was discovered in 2009 in the crater lake of Paniri.