- ventifacts
- n. rillstone, stone whose surface has been worn down by erosion caused by wind-driven sand (Geology)
English contemporary dictionary. 2014.
ventifacts
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Ventifact — U.S. Geological Survey Photographic Library ( http://libraryphoto.cr.usgs.gov/ )] Atacama Province, Chile (Segerstrom, 1962) [Segerstrom, K. 1962. Deflated marine terrace as a source of dune chains, Atacama Province, Chile. In: Geological Survey… … Wikipedia
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Desert pavement — near Barstow, California, in the Mojave Desert. A desert pavement is a desert surface that is covered with closely packed, interlocking angular or rounded rock fragments of pebble and cobble size … Wikipedia
Géomorphologie — La géomorphologie (du grec γῆ, Gaïa, la Terre, μορφή, morphe la forme et λόγος, logos, l’étude) est l étude scientifique des reliefs et des processus qui les façonnent, sur les planètes telluriques. Les géomorphologues analysent les paysages,… … Wikipédia en Français
Éolien — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia : « Éolien », sur le Wiktionnaire (dictionnaire universel) L adjectif ou le nom éolien relatif au vent qui … Wikipédia en Français
ventifact — /ven teuh fakt /, n. Geol. a pebble or cobble that has been faceted, grooved, and polished by the erosive action of wind driven sand. [1910 15; < L venti (comb. form of ventus WIND1) + factum something made (see FACT); perh. modeled on ARTIFACT]… … Universalium
Cambrian Period — Oldest time division of the Paleozoic Era. During the Cambrian, 543–490 million years ago, there were widespread seas and several scattered landmasses. The largest continent was Gondwana. The average climate was probably warmer than today, with… … Universalium
