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Doctoral Thesis
DOI
10.11606/T.85.2006.tde-04062007-144739
Document
Author
Full name
Irene Akemy Tomiyoshi Bona
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2006
Supervisor
Committee
Sarkis, Jorge Eduardo de Souza (President)
Morais, Jose Luiz de
Munita, Casimiro Jayme Alfredo Sepulveda
Neves, Eduardo Goes
Soares, André Luis Ramos
Title in Portuguese
"Estudo de assinaturas químicas em cerâmica da tradição Tupiguarani da região central do estado do Rio Grande do Sul, Brasil"
Keywords in Portuguese
assinatura química
cerâmica Tupiguarani
EDXFR
HR-ICP-MS
Abstract in Portuguese
O modelo aplicado neste trabalho está baseado em resultados experimentais usando dados de composição química dos fragmentos cerâmicos, aplicados à teste não paramétrico de Spearmann, análise de componente principal e análise discrimante. As amostras são fragmentos cerâmicos da Tradição Tupiguarani de sítios e amostras de solos da região central do Estado do Rio Grande do Sul. Os elementos químicos, Al, Ba, Ca, Cr, Fe, K Mn, Pb, Rb, S, Si, Sr, Ti, V e Zn foram determinados usando-se as técnicas de fluorescência de raios X por dispersão de energia (EDXFR). Os elementos, Ce, Cu, Gd, La, Nd, Pr, Sm, Th e Y por espectrometria de massas de alta resolução com fonte de plasma acoplado indutivamente (HR-ICP-MS). A partir destes resultados, foram propostas relações entre as características da cerâmica, os sítios estudados e a dispersão dos fragmentos nos diversos sítios. Observaram-se indícios de assinatura química da função da vasilha de ir ou não ao fogo. A maior dispersão é de vasilhas pequenas com tratamento de superfície não corrugada. Verificaram-se assinaturas químicas para o entorno dos rios Ijuí, Ibicuí-Vacacaí Mirim e Jacuí.
Title in English
CHEMICAL SIGNATURE STUDY OF TUPIGUARANI CERAMIC TRADITION FROM CENTRAL REGION OF THE RIO GRANDE DO SUL STATE, BRAZIL.
Keywords in English
chemical signature
EDXFR
HR-ICP-MS
Tupiguarani ceramic
Abstract in English
In this work a model based on experimental results using chemical composition data of the pottery sherds applied to Spearmann’s no parametric test, principal component analysis and discriminant analysis, was applied. The samples are soils and Tupiguarani Tradition pottery sherd from the central area of the Rio Grande do Sul State. The chemical elements , Al, Ba, Ca, Cr, Fe, K Mn, Pb, Rb, S, Si, Sr, Ti, V and Zn were determined by energy dispersive X-ray fluorescence (EDXFR) while Ce, Cu, Gd, La, Nd, Pr, Sm, Th and Y by high-resolution inductively coupled plasma mass spectrometry (HR-ICP-MS) techniques. Relationships among the pottery characteristics, studied sites and sherd dispersion in the several sites were proposed. Indications of chemical signature of the small pottery with function to go or not to the fire were observed. The largest dispersion is of small pottery with surface treatment no corrugated. The potteries chemical fingerprints from Ijuí River, Ibicuí-Vacacaí Mirim River and Jacuí River were verified.
 
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IreneATBona.pdf (4.58 Mbytes)
Publishing Date
2007-06-22
 
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