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Earth mortars in the “Castro de Santa Trega” (A Guarda, Pontevedra, Spain)

2021; Elsevier BV; Volume: 37; Linguagem: Inglês

10.1016/j.jasrep.2021.102931

2352-4103

T. Gómez Morgade, T. Rivas, Fernando Carrera Ramírez, Vázquez Alonso,

Archaeological and Geological Studies

Abstract Among many other issues, characterisation of construction techniques is very interesting for understanding protohistoric societies. In the case of Iron Age sites in the Iberian Peninsula, knowledge about materials and construction techniques is minimal. This work explores the challenges of the characterisation of earth mortars in Iron Age sites in the N.W. of the Iberian Peninsula, focusing the study on the archaeological site of Castro de Santa Trega (Galicia, Spain). Samples of mortars, renders and plasters were taken from walls, and mineral composition, texture and micromorphological features were obtained. The results, which are discussed taking into account the particular historiographic framework of this site, confirmed the absence of lime mortars and the widespread use of local raw materials for the production of complex construction materials.