|
|
|
|
|
|
|
|
|
Pinnate drainage pattern
| Глоссарий геологических терминов |
A variation of the dendritic drainage pattern in which the main stream receives many closely spaced, subparallel tributaries that join it at slightly acute angles upstream, resembling in plan a feather. they typically form on steep slopes with soils that have a high silt content; such as loess landscapes or fine-textured flood plains. sw, gg, wa
|
|
|
Pitted outwash, английский
Outwash deposits with surficial pits or kettles, produced by the partial or complete burial of glacial ice by outwash and the subsequent thaw of the ice and collapse of the surficial materials. compare - pitted outwash plain. gg
Pinnacle [geomorphology], английский
A tall, slender, tapering tower or spire-shaped pillar of rock, either isolated, as on steep slopes or cliffs formed in karst or other massive rocks, or at the summit of a hill or mountain.
|
|
|
|
|
|
|
