DATING OF MORTAR AND BRICK OF THE MAIN DOOR OF FORTE ORANGE, ITAMARACA, PERNAMBUCO/DATACAO DE ARGAMASSA E TIJOLO DA PORTADA PRINCIPAL DO FORTE ORANGE, ITAMARACA, PERNAMBUCO

In this study we use the Single Aliquot Regeneration protocol to perform Optically Stimulated Luminescence dating on mortar and bricks associated with the colonial period of Pernambuco, Brazil. As study subjects, we used yellow and red bricks, as well as mortar from the remains of the main gate of F...

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Veröffentlicht in:Cadernos do LEPAARQ 2022-07, Vol.19 (38), p.148
Hauptverfasser: Sullasi, Henry Socrates Lavalle, Santos, Clara Diana Figueiroa, Rocca, Rene Rojas, Asfora, Viviane Khoury, de Mattos Albuquerque, Marcos A.G
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Sprache:por
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Zusammenfassung:In this study we use the Single Aliquot Regeneration protocol to perform Optically Stimulated Luminescence dating on mortar and bricks associated with the colonial period of Pernambuco, Brazil. As study subjects, we used yellow and red bricks, as well as mortar from the remains of the main gate of Fort Orange, in Itamaraca. We find that the mortar and yellow brick harbor similar chronological data, around 1,606 [+ or -] 37 CE and 1,609 [+ or -] 118 CE, respectively, consistent with the period when the main gate was built. However, the age estimated for the red brick, around 1,407 [+ or -] 19 CE, was not compatible with that of the building. This finding indicates that the red brick was originally intended to be used in older constructions, possibly in Leiden, Netherlands, and was later brought to the Americas, where it was used in the construction of Fort Orange. Overall, our results provide support for the possibility of using Optically Stimulated Luminescence dating and its Single Aliquot Regeneration protocol to estimate the ages of colonial mortars, including those of Pernambuco. KEYWORDS OSL dating, Colonial mortars, Colonial bricks, SAR, Forte Orange. Este trabalho teve por objetivo datar argamassa e tijolos do periodo colonial pernambucano pela tecnica de Luminescencia Opticamente Estimulada (LOE), utilizando o protocolo SAR. Como objeto de estudo foram usados tijolos amarelos e vermelhos, assim como argamassa proveniente de vestigios construtivos da Portada Principal do Forte Orange, Itamaraca. Os resultados mostraram que a argamassa e o tijolo amarelo apresentam intervalos cronologicos similares, ao redor de 1606 [+ or -] 37 d.C. e 1609 [+ or -] 118 d.C, respectivamente, de forma condizente a data de construcao da portada em estudo. Entretanto a cronologia obtida para o tijolo vermelho, nao foi compativel com a presente construcao, se referindo a um intervalo de 1407 [+ or -] 19 d.C que indica a possibilidade de este ter sido fruto de um reaproveitamento construtivo de sua regiao de proveniencia, considerada, a partir dos dados expostos, como possivelmente a cidade de Leiden na Holanda. Estes resultados, de forma geral, mostram a possibilidade de uso da tecnica de LOE, pelo protocolo SAR, no proposito de inserir cronologicamente as argamassas coloniais, entre elas, as de Pernambuco. PALAVRAS-CHAVE Datacao LOE, argamassas coloniais, tijolos coloniais, SAR, Forte Orange.
ISSN:2316-8412
2316-8412