International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage

Multilingual Technical Dictionary (MTD)

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Term No.Term Name/Term DescriptionAction
5465
Igneous rocks
Rock masses formed by the solidification of magma injected into the earth`s surface, or extruded on its surface.
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5466
Igneous magma
The molten fluids and gaseous fractions generated within the earth, from which igneous rocks are considered to have been derived by crystallization or other processes of consolidation......
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5467
Sedimentary rocks
Rocks formed by the accumulation of sediment in water (aqueous deposits) or from air (eolian deposits) or as result of chemical precipitation. A characteristic feature is the layered structure known as `bedding` or `stratification` (See 5482)......
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5468
Metamorphic rocks
Rocks, either igneous or sedimentary, that in many cases have been subjected to great heat or pressure, or both, sufficient to cause alteration in form, and may be simply a rearrangement of the particles as in clay state; or a crystallization of the constituents of the producing rocks that have been subjected to great heat and pressure, such as mar.....
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