horizon d'accumulation

См. также в других словарях:

• accumulation — [ akymylasjɔ̃ ] n. f. • 1336; de accumuler 1 ♦ Action d accumuler; le fait d être accumulé. ⇒ addition, agglomération, amoncellement, entassement; amas, quantité, tas. Une accumulation de richesses, de provisions. « l accumulation des stocks »… …   Encyclopédie Universelle

• horizon — [ ɔrizɔ̃ ] n. m. • orizon v. 1360; orizonte XIIIe; lat. horizon, mot gr., de horizein « borner » 1 ♦ Limite circulaire de la vue, pour un observateur qui en est le centre. La plaine s étend jusqu à l horizon. Le soleil descend sur l horizon,… …   Encyclopédie Universelle

• Horizon bêta — ● Horizon bêta horizon profond d accumulation d argile rouge, généralement mince, situé au contact des matériaux calcaires …   Encyclopédie Universelle

• horizon — /heuh ruy zeuhn/, n. 1. the line or circle that forms the apparent boundary between earth and sky. 2. Astron. a. the small circle of the celestial sphere whose plane is tangent to the earth at the position of a given observer, or the plane of… …   Universalium

• Accumulation — 1. An individual investor s cash contributions to invest in securities over a period of time in order to build a portfolio of desired value. Dividends and capital gains are also reinvested during this process. 2. An institutional investor s… …   Investment dictionary

• Soil horizon — Soil samples illustrating horizons (subsoil on right) A soil horizon is a specific layer in the land area that is parallel to the soil surface and possesses physical characteristics which differ from the layers above and beneath …   Wikipedia

• Soil Horizon letter designations — ▪ Table Soil horizon letter designations See as table: Base symbols for surface horizons O organic horizon containing litter and decomposed organic matter A mineral horizon darkened by humus accumulation       Base symbols for subsurface horizons …   Universalium

• Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …   Wikipedia

• B horizon — /ˈbi həraɪzən/ (say bee huhruyzuhn) noun a subsurface soil horizon with an accumulation of clay, colouring agents, etc., with a better developed soil structure than is found in the A horizon. See O horizon, A horizon, C horizon …  

• zoneof accumulation — zone of accumulation n. See B horizon. * * * …   Universalium

• zone of accumulation —    The second horizon of a soil profile (B), usually the zone of clay accumulation subjacent to zone (A) [16] …   Lexicon of Cave and Karst Terminology