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Present stage of flat hills

Present stage of flat hills. High-level moraine plateau. 4. Flat hill. Ice-lake bottom. 5. Tapping gully. 6. Hummocky moraine landscape with lake holes, bogs and valleys. 7. Lake-basin area. A-C, see slide 44. B'. Moraine from dead-ice. Source: Atlas of Denmark.

Glacier surface with crevasses

Glacier surface with crevasses. 2. Meltwater tunel under ice. A. Ground moraine. B. Ice. Source: Atlas of Denmark.

Cliff in dislocated glacial deposits.

Cliff in dislocated glacial deposits. Genetic stage of substratum in last glacial period. Fluvial plain in front of advancing glacier. A. Old Yoldia clay. The stratum is not included in the following figures. B. Stratified glacial period clay. C. Meltwater sand, fluvial deposits with discordant parallel-structure. Source: Atlas of Denmark.

Three stages in erosion of desert mountains

Three stages in erosion of desert mountains (Gilluly, Waters and Woodford, 1952, p. 358). Top shows alluvial fans at foot of only moderately eroded fault block. Centre shows broad pediment embaying deeply eroded range. Bottom shows residual "inselbergs" on broad graded surface of stream erosion.

Resultados 136 a 150 de 1973