mudstone
[ muhd-stohn ]
/ ˈmʌdˌstoʊn /
noun Geology.
a clayey rock with the texture and composition of shale but little or no lamination.
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Words nearby mudstone
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for mudstone
mudstone
/ (ˈmʌdˌstəʊn) /
noun
a dark grey clay rock similar to shale but with the lamination less well developed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Scientific definitions for mudstone
mudstone
[ mŭd′stōn′ ]
A fine-grained, dark gray sedimentary rock consisting primarily of compacted and hardened silt and clay, similar to shale but without laminations. The proportions of silt and clay in mudstone are approximately equal.
The American Heritage® Science Dictionary
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