Antiquities, Prehistoric (4) Prehistoric peoples (4) substance chimique (3) Pigments (3) Painting (3) spectroscopie (2) lignite (2) cuisson (2) énergie (2) chimie (2) céramique (2) carbone (2) Mexique (2) Decoration (2) Chemical warfare (2) Composition (2) Forms (2) Identification (2) Scanning electron microscopy (2) Surfaces (Technology)--Analysis (2) Spectrum analysis (2) Raw materials (2) Power resources (2) Power (Mechanics) (2) Paste (2) Molecular structure (2) Magnetite (2) Lignite (2) Identification (2) Hematite (2)