The use of geological materials in ancient and contemporary art |
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| Authors: | Robert Dickerson Pamela Fortner |
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| Affiliation: | 1. Stoller Newport News Nuclear 105 Technology Drive, Broomfield, USA;2. 8561 Dudley Court, Arvada, USA |
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| Abstract: | Mineral‐based pigments have been used for cave paintings and rock art dating as far back as 70–100 ka in Blombos Cave, South Africa. Ancestral indigenous artists used ochre (clay + Fe oxides and hydroxides) for red and yellow pigments in cave art on every inhabited continent for at least 15 000 years, and much longer than that in some localities. Early historic cultures throughout the Middle East, Asia and the Mediterranean basin added other colourful minerals to their palette, including azurite and malachite for blue and green, calcite, gypsum, and diatomaceous earth for white, and charcoal for black. Some of these cultures created additional pigments by roasting or smelting minerals and altering them with vinegar or other organic acids. The use of mineral pigments and pigments of altered minerals using heat and acid continued throughout the Middle Ages and the Renaissance. Similar mineral pigments were used by native peoples in the New World for rock and cave art. Ancestral artists traditionally used water, saliva, oil and fats as binders for their pigments to create their paint. |
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