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

PLoS One · 2016 · PMC5061316 · PMID 27732605

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an increasing trendno p-value reported

Moreover, the percentage of plaquettes with painted surfaces without defined pictorial motifs present an increasing trend from the Gravettian to the Magdalenian ( Fig 1 ) suggesting that these plaquettes could be related to the pigment processing.

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a decreasing trendno p-value reported

The percentage of the Parpalló plaquettes decorated with zoomorphic motifs and well-defined signs (calculated with respect to the total number of painted plaquettes in each period) present a decreasing trend from the Solutrean to the Magdalenian period ( Fig 1 ).

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