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marlstone

資料來源 : pyDict

泥灰土之一種

資料來源 : Webster's Revised Unabridged Dictionary (1913)

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

資料來源 : WordNet®

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