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The town of Lixus is the most important archaeological site on the Moroccan Atlantic coast. A preliminary diagnosis allowed us to identify the main factors of the physico-chemical degradation observed on the buildings of the monument. The interest of the conservation of this archaeological richness requires an intervention of safeguard, which will...
Contexts in source publication
Context 1
... was built in a region characterized by the presence of diff erent geological formations belonging to the Larache group, typical of the lithostratigraphic series of the Habt unit. The latter (Figure 2) comprises three formations (Tejera De Leon, 1993) which show where one can distinguish from bottom to top: (i) the Khemis Sahel formation, pelitic to clayey of the Upper Eocene-Oligocene; sandstone at the base and clay-sandstone at the top, (ii) the Asilah formation dated from the upper Oligocene-lower Miocene and (iii) the Sidi Moussa formation from the middle Miocene mainly marly. ...
Context 2
... an altitude of 60m to the northwest of the site, there is a formation of sedimentary facies with subhorizontal marl-sandstone formation (35° 20' 37'' N, -6.11' 12'' W), about a hundred meters from the right shoulder of the road passing near the site towards the beach (Figure 2). ...
Context 3
... direct chemical attack induced by the presence of sulfuric acid H 2 SO 4 with a concentration of 10 -4 M, shows no remarkable change in the general appearance of the specimens subjected to the accelerated aging tests (Figure 10). This observed result is due both to the low concentration of the chemical solution used and to the insuffi cient number of cycles carried out, which did not ensure the optimal conditions to achieve the considerable eff ect of sulfuric acid (H 2 SO 4 ). Indeed, the cycles imposed in the tests carried out (imbibition followed by drying) are very simple in terms of production, considered as tests showing the beginning of alteration. ...
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