Marl definition

Marl





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5 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Greensand \Green"sand`\ (-s[a^]nd`), n. (Geol.)
     A variety of sandstone, usually imperfectly consolidated,
     consisting largely of glauconite, a silicate of iron and
     potash of a green color, mixed with sand and a trace of
     phosphate of lime.
     [1913 Webster]


  
     Note: [hand]Greensand is often called {marl}, because it is a
           useful fertilizer. The greensand beds of the American
           Cretaceous belong mostly to the Upper Cretaceous.
           [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Marl \Marl\, v. t. [See {Marline}.] (Naut.)
     To cover, as part of a rope, with marline, marking a pecular
     hitch at each turn to prevent unwinding.
     [1913 Webster]
  
     {Marling spike}. (Naut.) See under {Marline}.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Marl \Marl\, n. [OF. marle, F. marne, LL. margila, dim. of L.
     marga marl. Originally a Celtic word, according to Pliny,
     xvii. 7: "Quod genus terrae Galli et Britanni margam vocant."
     [root]274.]
     A mixed earthy substance, consisting of carbonate of lime,
     clay, and sand, in very variable proportions, and accordingly
     designated as calcareous, clayey, or sandy. See {Greensand}.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Marl \Marl\, v. t. [imp. & p. p. {Marled}; p. pr. & vb. n.
     {Marling}.] [Cf. F. marner. See {Marl}, n.]
     To overspread or manure with marl; as, to marl a field.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  marl
       n : a loose and crumbling earthy deposit consisting mainly of
           calcite or dolomite; used as a fertilizer for soils
           deficient in lime

















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