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Professional Paper 1386–A

Chapter A–5 (Figure 13)

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Figure 13.—A, Schematic map of the Edoma “Ice Complex” in northern Siberia. (1) Areas of extensive occurrences of the ice complex across a range of landforms; 
(2) areas of the ice complex occurring only in river valleys and lake depressions; 3–5 southern boundaries of regions of contemporary ice wedge development: in 
(3) peat deposits; (4) silt and clay deposits; (5) sand and gravel deposits; (6) southern boundary of the regions of low-centered polygons; (7) southern boundary of 
permafrost (N.N. Romanovskii, 1993). B, Exposure of eroding Edoma deposit along the Laptev Sea coast, northern Siberia, Russia (photograph by Volker Rachold).

Figure 13.A, Schematic map of the Edoma “Ice Complex” in northern Siberia. (1) Areas of extensive occurrences of the ice complex across a range of landforms; (2) areas of the ice complex occurring only in river valleys and lake depressions; 3–5 southern boundaries of regions of contemporary ice wedge development: in (3) peat deposits; (4) silt and clay deposits; (5) sand and gravel deposits; (6) southern boundary of the regions of low-centered polygons; (7) southern boundary of permafrost (N.N. Romanovskii, 1993). B, Exposure of eroding Edoma deposit along the Laptev Sea coast, northern Siberia, Russia (photograph by Volker Rachold).



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