Thermal properties of clays, experimental discs, and archaeological ceramics. The case of the Salado River depression in Buenos Aires (Argentina)

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The archaeological evidence from the lower basin of the Salado river (Buenos Aires province) shows us a scenario in which hunter-gatherer-fisher groups settled and manufactured ceramics for almost 2400 years. These groups had direct access to resources such as clay, water and wood to be used as fuel...

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Autores principales: Rivas González, Miranda, Conconi, Susana
Formato: Artículo publishedVersion
Lenguaje:Español
Publicado: Instituto de Arqueología, Facultad de Filosofía y Letras, Universidad de Buenos Aires 2024
Materias:
Pre-Hispanic ceramics
Archaeometric studies
Experimentation
Firing temperaturas
Hunter-gatherer-fishers
Cerámicas prehispánicas
Estudios arqueométricos
Experimentación
Temperaturas de cocción
Cazadores-recolectores-pescadores
Acceso en línea:http://revistascientificas.filo.uba.ar/index.php/Arqueologia/article/view/13401
https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=arqueo&d=13401_oai
Aporte de:
Repositorio Digital de la Universidad de Buenos Aires (UBA) de Universidad de Buenos Aires
id I28-R145-13401_oai
record_format dspace
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-145
collection Repositorio Digital de la Universidad de Buenos Aires (UBA)
language Español
orig_language_str_mv spa
topic Pre-Hispanic ceramics
Archaeometric studies
Experimentation
Firing temperaturas
Hunter-gatherer-fishers
Cerámicas prehispánicas
Estudios arqueométricos
Experimentación
Temperaturas de cocción
Cazadores-recolectores-pescadores
spellingShingle Pre-Hispanic ceramics
Archaeometric studies
Experimentation
Firing temperaturas
Hunter-gatherer-fishers
Cerámicas prehispánicas
Estudios arqueométricos
Experimentación
Temperaturas de cocción
Cazadores-recolectores-pescadores
Rivas González, Miranda
Conconi, Susana
Thermal properties of clays, experimental discs, and archaeological ceramics. The case of the Salado River depression in Buenos Aires (Argentina)
topic_facet Pre-Hispanic ceramics
Archaeometric studies
Experimentation
Firing temperaturas
Hunter-gatherer-fishers
Cerámicas prehispánicas
Estudios arqueométricos
Experimentación
Temperaturas de cocción
Cazadores-recolectores-pescadores
description The archaeological evidence from the lower basin of the Salado river (Buenos Aires province) shows us a scenario in which hunter-gatherer-fisher groups settled and manufactured ceramics for almost 2400 years. These groups had direct access to resources such as clay, water and wood to be used as fuel, suitable for making containers in which different food resources were cooked and stored. This article presents the thermal results of local clays and experimental discs, through the application of three analytical techniques (X-ray Diffraction, Thermal Expansion, Differential Thermal and Thermogravimetric Analysis). In this study the porosity percentages of experimental samples and archaeological potsherds were also recorded through an adaptation of the Archimedes Method. The main goal of this work is to contrast the results obtained from the manufacture of experimental discs using local clays and their subsequent firing, with the thermal data obtained in archaeological potsherds to investigate possible firing temperatures to which the ceramics of the area were subjected. The thermal results of the clays, the experimentation, and the archaeological materials show similarities in the maximum firing temperatures reached (< 950 ºC) and in the diffractograms in relation to the minerals found. The porosity percentage is less than 33% indicating the use of low temperature porous clays.
format Artículo
publishedVersion
author Rivas González, Miranda
Conconi, Susana
author_facet Rivas González, Miranda
Conconi, Susana
author_sort Rivas González, Miranda
title Thermal properties of clays, experimental discs, and archaeological ceramics. The case of the Salado River depression in Buenos Aires (Argentina)
title_short Thermal properties of clays, experimental discs, and archaeological ceramics. The case of the Salado River depression in Buenos Aires (Argentina)
title_full Thermal properties of clays, experimental discs, and archaeological ceramics. The case of the Salado River depression in Buenos Aires (Argentina)
title_fullStr Thermal properties of clays, experimental discs, and archaeological ceramics. The case of the Salado River depression in Buenos Aires (Argentina)
title_full_unstemmed Thermal properties of clays, experimental discs, and archaeological ceramics. The case of the Salado River depression in Buenos Aires (Argentina)
title_sort thermal properties of clays, experimental discs, and archaeological ceramics. the case of the salado river depression in buenos aires (argentina)
publisher Instituto de Arqueología, Facultad de Filosofía y Letras, Universidad de Buenos Aires
publishDate 2024
url http://revistascientificas.filo.uba.ar/index.php/Arqueologia/article/view/13401
https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=arqueo&d=13401_oai
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spelling I28-R145-13401_oai2024-12-11 Rivas González, Miranda Conconi, Susana 2024-10-14 The archaeological evidence from the lower basin of the Salado river (Buenos Aires province) shows us a scenario in which hunter-gatherer-fisher groups settled and manufactured ceramics for almost 2400 years. These groups had direct access to resources such as clay, water and wood to be used as fuel, suitable for making containers in which different food resources were cooked and stored. This article presents the thermal results of local clays and experimental discs, through the application of three analytical techniques (X-ray Diffraction, Thermal Expansion, Differential Thermal and Thermogravimetric Analysis). In this study the porosity percentages of experimental samples and archaeological potsherds were also recorded through an adaptation of the Archimedes Method. The main goal of this work is to contrast the results obtained from the manufacture of experimental discs using local clays and their subsequent firing, with the thermal data obtained in archaeological potsherds to investigate possible firing temperatures to which the ceramics of the area were subjected. The thermal results of the clays, the experimentation, and the archaeological materials show similarities in the maximum firing temperatures reached (< 950 ºC) and in the diffractograms in relation to the minerals found. The porosity percentage is less than 33% indicating the use of low temperature porous clays. La evidencia arqueológica del curso inferior del río Salado (provincia de Buenos Aires) nos muestra un escenario en el cual grupos de cazadores-recolectores-pescadores se asentaron y manufacturaron cerámica durante casi 2400 años. Estos grupos tenían un acceso directo a recursos como arcilla, agua y maderas para ser usadas como combustible, aptos para la confección de recipientes en los cuales se cocinaron y almacenaron diferentes recursos alimenticios. Este artículo presenta los resultados de análisis térmicos de arcillas locales y discos experimentales, a través de la aplicación de tres técnicas analíticas (Difracción de Rayos X, Dilatometrías, Análisis Térmico Diferenciales y Termogravimétricos). En el marco de este estudio también se registraron los porcentajes de porosidad de muestras experimentales y de tiestos arqueológicos a través de una adaptación del Método de Arquímedes. El objetivo principal de este trabajo consiste en contrastar los resultados obtenidos de la manufactura de teselas/discos experimentales a partir de arcillas locales y su posterior cocción, con los datos térmicos obtenidos en tiestos arqueológicos con el fin de indagar en posibles temperaturas de cocción a las que fueron sometidas las cerámicas del área. Los resultados térmicos de las arcillas, de la experimentación y del material arqueológico presentan similitudes en las temperaturas máximas de cocción alcanzadas (< 950 °C) y en los difractogramas con relación a los minerales hallados. El porcentaje de porosidad es menor a 33% indicando el uso de arcillas porosas de baja temperatura. application/pdf text/html http://revistascientificas.filo.uba.ar/index.php/Arqueologia/article/view/13401 10.34096/arqueologia.t30.n3.13401 spa Instituto de Arqueología, Facultad de Filosofía y Letras, Universidad de Buenos Aires http://revistascientificas.filo.uba.ar/index.php/Arqueologia/article/view/13401/13370 http://revistascientificas.filo.uba.ar/index.php/Arqueologia/article/view/13401/13371 Derechos de autor 2024 Miranda Rivas Gonzalez, Susana Conconi https://creativecommons.org/licenses/by-nc-sa/4.0 Arqueología; Vol. 30 Núm. 3 (2024): septiembre-diciembre; 13401 Arqueología; Vol 30 No 3 (2024): septiembre-diciembre; 13401 1853-8126 0327-5159 Pre-Hispanic ceramics Archaeometric studies Experimentation Firing temperaturas Hunter-gatherer-fishers Cerámicas prehispánicas Estudios arqueométricos Experimentación Temperaturas de cocción Cazadores-recolectores-pescadores Thermal properties of clays, experimental discs, and archaeological ceramics. The case of the Salado River depression in Buenos Aires (Argentina) Propiedades térmicas de arcillas, discos experimentales y cerámicas arqueológicas. El caso de la Depresión del río Salado bonaerense (Argentina) info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=arqueo&d=13401_oai

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