Only pigments of mineral origin have survived to the present day When i first thought about making pigments from scratch, manganese was at the top of my list Nevertheless, research has not, up to now, detected the presence of organic colours
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The pigments used include oxides of iron and manganese, as well as charcoal.
The red colours were made from iron oxides, such as hematite
The black colours were made from either manganese dioxide or charcoal. The aim of this study was to verify several hypotheses concerning the techniques used by the painters of pech merle, and specifically by the one (s) of the black frieze. When carbon black is only detected as traces, its presence can be attributed to burning of the manganese black, with remains of wood charcoal from this burning operation getting accidentally mixed with the manganese black. Black pigments, often used for outlining figures or creating dramatic contrasts, were derived from two primary sources
