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Chemical Evolution of the Volcanic Tuff from the Santa Mónica Church in Guadalajara, Mexico

Published online by Cambridge University Press:  16 August 2012

Nora A. Pérez  and
Enrique Lima
Nora A. Pérez
Affiliation:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México. Circuito exterior s/n, Ciudad Universitaria, Delegación Coyoacán, CP 04510, México D.F. e-mail: [email protected] , [email protected]
Enrique Lima
Affiliation:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México. Circuito exterior s/n, Ciudad Universitaria, Delegación Coyoacán, CP 04510, México D.F. e-mail: [email protected] , [email protected]
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Abstract

The Santa Mónica Church is one of the most representative buildings in Guadalajara, Mexico as it is the finest Solomonic Baroque temple in the city. The church was built in the XVIII century with different types of volcanic tuffs, which have been studied from the macroscopic level to the structural level with the aim to determine the deterioration degree of the church’s tuffs.

Textural, morphological and structural properties of Tuff were characterized using X-ray powder diffraction (XRD), infrared spectroscopy (FT-IR ATR) and 29Si and 27Al magic angle spinning nuclear magnetic resonance (MAS NMR), nitrogen adsorption-desorption techniques, scanning electron microscopy (SEM), thermo-gravimetric analysis (TGA), compressive strength tests were also performed.

Characterization data has provided a comprehensive view of the alterations on the volcanic tuff of Santa Mónica Church. Then the study focused on proposing the best strategy for the understanding and conservation of Churches and other buildings in Guadalajara which have been built with the same stone. Currently, siliceous materials doped with aluminum are being tested as consolidate.

Keywords

microstructuresurface chemistrygeologic
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1374: Symposium S8 – Cultural Heritage and Archaeological Issues in Materials Science , 2012 , pp. 195 - 203
Copyright
Copyright © Materials Research Society 2012

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References

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