- marlstone
- noun Date: 1756 a rock that consists of a mixture of clay materials and calcium carbonate and often contains kerogen
New Collegiate Dictionary. 2001.
New Collegiate Dictionary. 2001.
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] … The Collaborative International Dictionary of English
marlstone — /mahrl stohn /, n. an indurated marl. Also called marlite /mahr luyt/. [1830 40; MARL1 + STONE] * * * … Universalium
marlstone — noun metamorphic rock with approximately the same composition as marl • Syn: ↑marlite • Hypernyms: ↑metamorphic rock * * * ˈ ̷ ̷ˌ ̷ ̷ noun : an indurated mixture of clay materials and calcium carbonate usually containing from 25 to 75 percent… … Useful english dictionary
Marl — For other uses see Marl (disambiguation). For the red algal growth form, see Maerl. Exposure of marl from the Matmor Formation (Jurassic) of southern Israel … Wikipedia
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