Carbonate rocks in Cultural Heritage (DiBEST) D.M.Cid Perez1, G.Forestieri2 1 PhD in Archimede in Sciences, Communication and Technologies_XXIIX Cycle 2 PhD in Sciences and Engineering of Environment, Concstruction and Energy_XXIX Cycle Tutors: Prof.ssa D. Barca (DiBEST, UNICAL) Dott.ssa V. Comite, Dott.ssa R. De Luca (DiBEST, UNICAL) Analysis artefact of Cultural Heritage Scientific point of view INTRODUCTION Chemical, mineralogical and petrographic characterization of building materials and their weathering Natural stones Artificial stones (mortars, plasters) Techniques of analysis employed: 1. Optical microscopy analysis 3. LA-ICP-MS analysis 2. SEM-EDS microanalysis 1 Zeiss Axiolab microscope 2 Scanning Electron Microscope- FEI Quanta 200 Instrument 3 Laser ablation - inductively coupled plasma mass spectrometry – Elan DRCE + Nd-YAG laser ANALYSIS Thin section Mineralogical and petrographic characterization Morphology and chemical composition, in terms of major elements Chemical composition, in terms of trace elements 2 Case - studies A_Characterization of black crust collected from stone monuments (Cathedral of Seville) B_Study of provenance of limestone used for the mortars (archeological area of Tenochtitlan–Mexico City) TM-Sample of Mortars from Building A ASP (h=2m) CS-BG (h=40m) Cathedral of Seville, Seville, Spain Sacred Precint, Tecnochtitlan, Mexico City 1.Optical microscopy + 2.SEM-EDS 1.Optical microscopy + 2.SEM-EDS ASP 3. LA-ICP-MS analysis 3. LA-ICP-MS analysis Samples Tula quarry Samples Tula quarry Pb, Zn Zn, Sn Cu, Ni, Cr, V Cu, Sb Study area Tula quarry Spots analysis