The saline deposits are causing the destruction of the rupestrian paintings.
Luis Carlos Duarte Cavalcante 2018, 'CARACTERIZAÇÃO QUÍMICO-MINERALÓGICA DE EFLORESCÊNCIAS SALINAS DO SÍTIO ARQUEOLÓGICOPEDRA DO ATLAS (Chemical-Mineralogical Characterization of Saline Efflorescences fromthe Pedra do Atlas Archaeological Site)', Arqueología Iberoamericanahttp://www.laiesken.net/arqueologia/archivo/2018/3807. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)