Ключевые слова: abstract, back, backdrop, background, boulder, bowlder, break, cement, chunk, ciment, closeup, clump, cobble, concrete, conformation, construction, crack, cutless, design, detail, dirt, fault, fis, fissure, formation, framing, gangue, grain, gravel, ground, interrupt, lump, pattern, relief, rock, rough, seamles, seamless, split, stone, structure, surface, swatch, texture, tile, tiled, up, wall,