Ключевые слова: abstract, aged, backdrop, background, basalt, beautiful, brown, cliff, closeup, crust, detail, dirt, earth, ferric, ferruginous, formation, geological, geology, geomorphology, granite, ground, grunge, layered, layers, material, metamorphic, mineral, mining, mountain, natural, nature, old, pattern, plates, quarry, rock, rough, rusty, sedimentary, stone, strata, stratum, structure, surface, tectonic, texture, textured, volcanic, wall, weathered,