| Horizon | Depth (cm) | Diagnostics |
| Оi | 0–4 | Forest litter from pine needles, lichens, cones, dead parts of plants | А1 | 4–10 | Coarse humus horizon, dark brown, strongly permeated with living roots of woody and herbaceous plants, loose, moist, jagged, wavy border | А2 | 10–30 | Pale, dense, horizontal swims of humus, the presence of thin roots, slightly moist, the transition is sharp, the boundary is uneven | Вa | 30–40 | Gray, dense, slightly permeated with small living roots, slightly moist, gradual transition, smooth boundary | ВСa | 40–60 | Gray, single presence of thin roots, gradual transition, weak effervescence from 10% HCl | Сr | 60–120 | Gray, rare inclusions of iron oxide, lies on the surface of permafrost |
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