Since little is known about the cuerda seca technique, our aim has been to complete an initial analysis of 11th‐century cuerda seca by studying fragments from the 10th century (Pechina, Almería) and the 12th century (Mértola and Almería), so as to establish the diachronic evolution of this technique. Characteristics specific to cuerda seca ceramic glazes were investigated using scanning electron microscopy (SEM) and quantitative chemical analysis with energy‐dispersive X‐ray spectrometry (EDX). The chemical compositions of the different‐coloured glazes (green, black, yellow and white) have given us valuable indications about the evolution of the technique. The opacification mode and the firing process were also investigated. With the help of cathodoluminescence (CL) and the study of modern ‘cuerda seca’ glazed ceramics, new hypotheses regarding the number of firing stages, taking into account glaze and paste transformations and their interactions, are put forward.
In India sthalavrikshas worship in temples was a religrous practice. In Tamil Nadu almost every temple is associated with a plant or tree connected to the history and mythology of the temple and or deity. The worshipper who comes to the temple attains a healty spiritua; enlighten. Sthalavrikshas is a natural tree found in the temple site brfore construction of the temple. The present investigation was carried out in coimbatore district to enumerate the sthalavrikshas associate with temple by field observation method. During the field visit temples were frequently visited and surveyed for the sthalavrikshas from the month of December 2019 - February 2020. The survey was conduced at 46 ancient temples of the coimbatore district and revelated the occurrence of 19 sthalavrikshas species were observed in different area of coimbatore district. These sacred plants are worshiped by the local people for getting the blessing of health and wealth by positive powers of nature. Sthalavrikshas are germplasm reservers and an indicator of socio-cultural conservation strategy. It is concluded that the Sthalavriksha worship is an age old practice, myths, beliefs and floklore play a major role in the exsistance of Sthalavrikshas worship and this customms help in plant conservation.
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