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Wednesday, May 15 • 2:30pm - 3:00pm
(Architecture) Let the Stones Keep Talking: The Conservation of Monuments Sculpted in Piedras Negras, Guatemala

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The Piedras Negras archaeological site, located on the banks of the Usumacinta River, is a site of worldwide major importance for its sculpted monuments, architecture and history. Having been investigated archaeologically, it was the base at the beginning of the decipherment of Mayan hieroglyphic writing by Tatiana Proskouriakoff (1950) when studying its monuments. In 2015, an inventory was made of the monuments carved in limestone that are still scattered throughout the site, making it possible to diagnose their conservation status, and from which, in the short and medium term, a treatment that would help stabilize its condition was proposed. Thus, between 2016 and 2018 it has been possible to protect seven of the best preserved monuments on the site, through a system of roofs and platforms that has allowed the significant improvement of their condition. This stage will be complemented by a biomineralization treatment, a treatment developed in Spain that allows the limestone and stucco to be consolidated through the application of a hydrolyzed casein nutrient that activates the Mixococu Santo bacteria, which are non-pathogenic, heterotrophic, aerobic and microaerophilic. With this food, the bacteria excrete calcium carbonate and thereby consolidate or calcify the rock or stucco where it has been applied, making the materials more resistant to chemical and physical alterations, without blocking the pores.

Speakers
avatar for Griselda Pérez-Robles

Griselda Pérez-Robles

Conservation Director, Proyecto Paisaje Piedras Negras Yaxchilan
Griselda Pérez Robles is a Guatemalan archaeologist and conservator who has worked on the Maya area of Petén since 2001. She obtained her Licenciatura title at San Carlos University analyzing Preclassic ceramics from Piedras Negras. She has worked at El Perú-Waka´ (Waka') since... Read More →

Co-Author
CR

Carlos Rodríguez Navarro

Professor, Department of Mineralogy and Petrology at the University of Granada
Carlos Rodríguez Navarro holds a PhD in Geological Sciences from the University of Granada (1994), a Research Fellow at the Getty Conservation Institute (Los Angeles, USA) between 1995 and 1999, and currently Professor of the Department of Mineralogy and Petrology at the University... Read More →
ER

Edwin Rolando Pérez Robles

Chief Conservator, Archaeologycal Project El Zotz
Edwin Rolando Pérez Robles is a Bachelor of Arts and Conservator of Mayan Art, who obtained his degree from the University of San Carlos of Guatemala. He has been Assistant Curator of the National Museum of Archeology and Ethnology of Guatemala having in charge the most important... Read More →
JD

James Doyle

Assistant Curator, Art of the Ancient Americas, The Metropolitan Museum of Art
James Doyle is and archaeologist and the Assistant Curator for Art of the Ancient Americas at the Metropolitan Museum of Art, New York. He obtained his MA and Ph.D. from Brown University in Anthropology, with a dissertation on Preclassic Maya architecture at the site of El Palmar... Read More →
avatar for Juan Carlos Pérez Calderón

Juan Carlos Pérez Calderón

Director of Archaeologycal Project Waka´, University of San Carlos of Guatemala
Juan Carlos Pérez Calderón is an archeologist from the University of San Carlos of Guatemala. He is currently pursuing a master's degree in Management of Protected Areas and Ecoregional Development by the University for International Cooperation of Costa Rica, and is co-director... Read More →
MU

Mónica Urquizú

Professor, Department of Mineralogy and Petrology at the University of Granada
Mónica Urquizú is an archeologist graduated with a bachelor's degree from the University of San Carlos de Guatemala. She has worked as a field archaeologist and ceramicist in different archaeological sites of Petén and the Guatemalan Highlands such as Dos Pilas, San Bartolo, Xultun... Read More →


Wednesday May 15, 2019 2:30pm - 3:00pm
Salon A1, Uncas Ballroom Sky Convention Center, Mohegan Sun
  • Track Architecture
  • Ticketed Included in Main Registration
  • Authors in Publication Order Master Griselda Pérez Robles, Lic. Juan Carlos Pérez Calderón, Lic. Edwin Rolando Pérez Robles, Dr. James Doyle, Licia. Mónica Urquizú, Dr. Carlos Rodríguez Navarro
  • Abstract ID 18759
  • Tags Piedras Negras,sculpted monuments,limestone,diagnose,conservation,protective roofs,platforms,biomineralization

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