Describe the geological layers shown in 'Рисунок 1'.

Based on the provided legend, 'Рисунок 1' depicts geological layers. The topmost layer is an 'осадочный слой' (sedimentary layer), represented by a pattern of small horizontal dashes. Below this is a 'гранитный слой' (granite layer), shown with a pattern of dots. The bottommost layer is a 'базальтовый слой' (basalt layer), indicated by a pattern of 'v' shapes and small triangles.