Ключевые слова: activity, aim, background, blurred, break, breaking, camp, clothing, colored, conditions, covered, expedition, fall, field, fossils, geological, geologist, geology, hammer, hand, holds, inside, lichen, limestone, man, metallic, mineral, mineralogy, nature, outdoor, paleontologist, paleontology, pick, plate, real, research, researcher, resh, revealing, rock, samples, scientific, scientist, search, season, shabby, shiny, slate, spotted, surface, textured, tool,