- parent rock horizon
- 母质层
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
parent rock horizon
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Parent material — Parent material, in soil science, means the underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form. Soils typically get a great deal of structure and minerals from their parent material.… … Wikipedia
parent material — noun : the disintegrated rock material usually unconsolidated and unchanged or only slightly changed that underlies and generally gives rise to the true soil by the natural process of soil development called also source material; compare horizon… … Useful english 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
metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… … Universalium
C horizon — noun Date: 1935 the soil layer lying beneath the B horizon and consisting essentially of more or less weathered parent rock … New Collegiate Dictionary
Go (Vertical Horizon album) — Infobox Album | Name = Go Type = Album Artist = Vertical Horizon Released = September 23, 2003 2005 (re release) Recorded = Genre = Rock Pop Length = 45:07/49:25 Label = RCA Records Hybrid Recordings Producer = Brian Duffy John Shanks Reviews =… … Wikipedia
Last Horizon — is a guitar solo written by Queen s guitarist Brian May. It was released as a single, from its parent album, Back To The Light, and remained on the UK charts for two weeks, peaking at number 51. May plays it at every one of his concert since then … Wikipedia
Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock … Wikipedia
moon — mooner, n. moonless, adj. /moohn/, n. 1. the earth s natural satellite, orbiting the earth at a mean distance of 238,857 miles (384,393 km) and having a diameter of 2160 miles (3476 km). 2. this body during a particular lunar month, or during a… … Universalium
Moon — /moohn/, n. Sun Myung /sun myung/, born 1920, Korean religious leader: founder of the Unification Church. * * * Sole natural satellite of Earth, which it orbits from west to east at a mean distance of about 238,900 mi (384,400 km). It is less… … Universalium
Orthent — In USDA soil taxonomy, Orthents are defined as Entisols that lack horizon development due to either steep slopes or parent materials that contain no permanent weatherable minerals (such as ironstone). Typically, Orthents are exceedingly shallow… … Wikipedia
