1. 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 SEM-EDS
1.Optical microscopy 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