|
|
|
|
|
|
|
|
|
Playa dune - (colloquial
| Глоссарий геологических терминов |
Southern high plains) a linear or curvilinear ridge of windblown, granular material (generally sand or parna) removed from the adjacent basin by wind erosion (deflation), and deposited on the leeward (prevailing downwind) margin of a playa, playa basin, or salina basin. the dune may be barren or vegetated. compare - dune. sw part 629 - glossary 629-60 (430-vi-nssh, 2008)
|
|
Curvilinear, английский
Криволинейный
Prevailing, английский
|
Playa floor - (colloquial, английский
Southern high plains) the lowest extensive, flat to slightly concave surface within a playa basin, consisting of a dry lake bed or lake plain underlain by stratified clay, silt or sand, and commonly by soluble salts. compare - playa step. sw
Pitted outwash terrace, английский
A relict glaciofluvial terrace that retains its original attitude, composed of undistorted outwash sediments and depositional structures and whose surface is pock-marked with numerous potholes or kettle depressions. compare - collapsed outwash plain. sw
|
|
|
|
|
|
|
