Properties of the Ignimbrites in the Architecture of the Historical Center of Arequipa, Peru
The petrographic and petrophysical characteristics of three varieties of ignimbrites used in the architectural heritage of Arequipa (southwest Peru) are analyzed.The modal classification QAFP and TAS diagram discriminate their dacitic nature.Mercury injection porometry revealed very high porosity: BLADDER CONTROL TEA 46.5% for white and beige ignim