Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Characterization and analysis of the mortars in the Church of the Company of Jesus – Quito (Ecuador)

Version 1 : Received: 9 July 2021 / Approved: 13 July 2021 / Online: 13 July 2021 (11:14:25 CEST)

A peer-reviewed article of this Preprint also exists.

MDPI and ACS Style Lara, M.L.; Sanz-Arauz, D.; López-Andrés, S.; Pino, I.d. Characterization and Analysis of the Mortars in the Church of the Company of Jesus—Quito (Ecuador). Minerals 2021, 11, 781. https://doi.org/10.3390/min11070781 AMA Style Lara ML, Sanz-Arauz D, López-Andrés S, Pino Id. Characterization and Analysis of the Mortars in the Church of the Company of Jesus—Quito (Ecuador). Minerals. 2021; 11(7):781. https://doi.org/10.3390/min11070781 Chicago/Turabian Style Lara, M. L., David Sanz-Arauz, Sol López-Andrés, and Inés d. Pino 2021. "Characterization and Analysis of the Mortars in the Church of the Company of Jesus—Quito (Ecuador)" Minerals 11, no. 7: 781. https://doi.org/10.3390/min11070781 MDPI and ACS Style Lara, M.L.; Sanz-Arauz, D.; López-Andrés, S.; Pino, I.d. Characterization and Analysis of the Mortars in the Church of the Company of Jesus—Quito (Ecuador). Minerals 2021, 11, 781. https://doi.org/10.3390/min11070781 AMA Style Lara ML, Sanz-Arauz D, López-Andrés S, Pino Id. Characterization and Analysis of the Mortars in the Church of the Company of Jesus—Quito (Ecuador). Minerals. 2021; 11(7):781. https://doi.org/10.3390/min11070781 Chicago/Turabian Style Lara, M. L., David Sanz-Arauz, Sol López-Andrés, and Inés d. Pino 2021. "Characterization and Analysis of the Mortars in the Church of the Company of Jesus—Quito (Ecuador)" Minerals 11, no. 7: 781. https://doi.org/10.3390/min11070781

Journal reference: Minerals 2021, 11, 781
DOI: 10.3390/min11070781

Abstract

The Church of the Company of Jesus in Quito (1605-1765) is one of the most remarkable examples of colonial religious architecture on the World Heritage List. This church has multiple constructive phases and several interventions with no clear record of the entire architectural site, including the historical mortars. A total of 14 samples of coating mortars inside the central nave were taken, with the protocols suggested by the research team and a comparative sample of the architectural group that does not have intervention. The analysis presented in this paper focuses on mineralogical characterization, semi-quantitative analysis by X-ray diffraction and scanning electron microscopy with microanalysis of the samples. The results showed the presence of volcanic aggregate lime and gypsum, used in lining mortars and joint mortars. Mineralogical and textural composition data have allowed the mortar samples to be relatively dated.

Keywords

Lime mortars; gypsum mortars; mineralogy of historical mortars; Quito Cultural Heritage; Church of the Company of Jesus in Quito

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