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Fig. 37. Structure of the bottom deposits in the valley near Karsznice

1 — the Quaternary bedrock, 2 — boulder-clay of the Mazowsze Podlasie stage of łhe Middle Polish glaciation (III), 3 — silt, 4 — sand, 5 — gravel

Fig. 38. Long- and cross-profiles of the Malina valley Fig. 39. Long- and cross-profiles of the Zian valley

Fig. 40. Relation of river drainage to the bedrock relief and present-day surface

1 — course of rivers before watershed formation near Łęczyca, 2 — contour-lines of bedrock relief, 3 — contour-lines of present-day landscape

Fig. 41. Terraces of the pradolina

/ — erosional terrace, la — erosional terraces of side rivers corresponding to erosional terrace of the pradolina, 2 — erosional-accumulational terrace of tbe p^radclina of Wiirm age, 3 — edge of erosional pradolina terrace, 4 — edge of Wiirmian erosional-accumulational terrace: numbers 1 — X indicate profiles, numbers on the profiles indicate heights above sea level

Fig. 42. Thickness of the Quaternary sediments

1 — 0—10 m., 2 — 10—20 m., 3 — 2C—30 m., 4 — 30—40 m., 5 — 40—50 m., 6 — 50—6> m., 7 — 60—70 m., 8 — 70—80 m, 9 — 80—90 m., 10 — 90—100 m._f 11 — above 100 m.

EX PLAN ATI ONS OF PHOTOS

Photo 1. Kutno. Deformation of the deposits caused by loading

a — stratified sand and silt, b — gruvel and pebbles unstratified, c — stratified sand

Photo 2. Kutno. Cracking in stratified sand and gravel caused by subsidence during dead ice melting

a, b, c — layer blocks stratified vertically

Photo 3. Wargawa. Blocks of deposits displaced by land-slide. Contortions of margi-nal parts of layers were formed during down-movement Photo 4. Wargawa. Layer contortions formed during dead-ice melting and subsidence of the deposits

Photo 5. Zieleniew. Tilting and cracking of layers formed during dead-ice melting and subsidence

Photo 6. Zieleniew. Fossil land-slide

a, b, c, d — blocks of deposits

Photo 7. Daszyna. Structure of the deposits

a — stone series; b — series of boulder-clay; c — blocks composed of sand. qravel, and »oulder--clay

Photo 8. Daszyna. Fluidal structure of boulder-clay series

a — boulder-clay, b — gravel lense in boulder-clay, c — stratified silt with pebbles, d — gravel

Photo 9. Daszyna. Bouldery

a — sandy layer, b — sand of disturbed structure

Photo 10. Daszyna. Structure deformation caused by loading Photo 11. Daszyna. Fossil land-slide

a, b, c — blocks of silt

Photo 12. Daszyna. The same land-slide (cf. Photo 13) after removing 0,5 m. of the materiał

a, b, c — blocks of silt

Photo 13. Walew. Fossil land-slip

a, b, c, d — blocks of sands and gravel

Photo. 14. Slawęcin. Structure deformation of the deposits

a — lover boulder-clay, b — stratified sand, c — stratified gravcl, d — stratified sand, e — lowcr bouldery, / — upper boulder-clay

Photo 15. Slawęcin. Fluidal structure of the upper boulder-clay

Photo 16. Borek. Blocks of deposits accumulated during land-slide and -slump caused by ablation

a. b, c — blocks composed of gravel; d — błock of silt