Marlstone

2 definitions found

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

  Marlstone \Marl"stone`\, n. (Geol.)
     A sandy calcareous straum, containing, or impregnated with,
     iron, and lying between the upper and lower Lias of England.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  marlstone
       n : metamorphic rock with approximately the same composition as
           marl [syn: {marlite}]