Micro-Raman spectroscopic technique allowed the characterization of organic and inorganic pigments of different colours sampled from a rock-art shelter named Abrigo del Aguila, located in the district of Badajoz, Cabeza del Buey (Extremadura – Spain). Micro-Raman analyses has been coupled with SEM observation and elemental analyses (EDS). The white and the black colours, used for nonrepresentative figures, have been identified respectively as anatase and amorphous carbon, while two different type of red pigment has been found on figurative representations. The darker one, sampled, from a sun-figure, comprises an indeterminate organic compound beside of hematite. The second one, sampled from an anthropomorphic figure, is of a brilliant red and only hematite has been recognized in it.
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|Titolo:||Μicro-Raman spectroscopy for the characterization of rock-art pigments from Abrigo del Águila (Badajoz – Spain)|
|Data di pubblicazione:||2018|
|Appare nelle tipologie:||03.1 Articolo su rivista|