Sánchez Moral, S.Cañaveras, J.C.Hoyos, M.Sanz Rubio, E.2016-11-092016-11-091996http://hdl.handle.net/10272/12808The sandstones which are the host wall-rock for prehistoric-art representations in Tajo Figuras (Cádiz) and Peñas Cabreras (Málaga) prehistoric-art sites show extensive alteration features damaging the paintings and engravings. These features include alteration crusts, detachment of rock-plates, alveolar surfaces and grainificalion. Climatic and geomorphic conditions, together with the compositional characteristics of the sandstones are thought to be the main factors responsible of these alteration featuresspaAtribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/Prehistoric artSandstonesAlteration processesClimateLos procesos de alteración de las rocas soporte de las pinturas de los conjuntos rupestres del Tajo de las Figuras (Cádiz) y Peñas Cabreras (Málaga)Alteration processes in host-rock with paintings from Tajo de las Figuras (Cádiz) and Peñas Cabreras (Málaga) prehistoric-art sitesjournal articleopen access