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A Unique Collection of Palaeolithic Painted Portable Art: Characterization of Red and Yellow Pigments from the Parpalló Cave (Spain)

Roldán García, Clodoaldo ; Villaverde Bonilla, Valentín ; Ródenas Marín, Isabel ; Murcia Mascarós, Sonia Bicho, Nuno

PLOS ONE, 10/12/2016, Vol.11(10), p.e0163565 [Periódico revisado por pares]

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  • Título:
    A Unique Collection of Palaeolithic Painted Portable Art: Characterization of Red and Yellow Pigments from the Parpalló Cave (Spain)
  • Autor: Roldán García, Clodoaldo ; Villaverde Bonilla, Valentín ; Ródenas Marín, Isabel ; Murcia Mascarós, Sonia
  • Bicho, Nuno
  • Assuntos: Research Article ; Physical Sciences ; Earth Sciences ; Earth Sciences ; Physical Sciences ; Biology And Life Sciences ; Research And Analysis Methods ; Physical Sciences ; Physical Sciences ; Social Sciences
  • É parte de: PLOS ONE, 10/12/2016, Vol.11(10), p.e0163565
  • Descrição: In this work we analyze the pigments used in the decoration of red and yellow motifs present in the portable art of the Parpalló Cave (Gandía, Spain), one of the most important Palaeolithic sites in the Spanish Mediterranean region. Energy dispersive X-ray fluorescence spectrometry (EDXRF) and spectrophotometry in the visible region (CIEL*a*b*color coordinates and spectral reflectance curves) were used to perform in situ fast analyses of the red and yellow motifs with portable equipment and to characterize their elemental composition and their colorimetric perception, respectively. According to the elemental composition, the intensity of the fluorescence iron signals in red and yellow motifs are higher than average values in the rock substrates. As expected, red motifs possess high values of the chromatic coordinate a* and yellow motifs possess high values of b*. This characterization was complemented with FT-IR analyses of microsamples detached from the red and yellow colored zones of a small set of plaquettes. Our results show that the artists used red and yellow pigments in the decoration likely derived from natural iron oxides as hematite and goethite.
  • Idioma: Inglês

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