释义 |
mudstone
mud·stone M0465900 (mŭd′stōn′)n. A fine-grained, dark gray sedimentary rock, formed from silt and clay and similar to shale but without laminations.mudstone (ˈmʌdˌstəʊn) or mudrockn (Geological Science) a dark grey clay rock similar to shale but with the lamination less well developedmud•stone (ˈmʌdˌstoʊn) n. a clayey rock with the texture and composition of shale but little or no lamination. [1730–40] mudstone
mudstone[′məd‚stōn] (geology) An indurated equivalent of mud in the form of a blocky or massive, fine-grained sedimentary rock containing approximately equal proportions of silt and clay; lacks the fine lamination or fissility of shale. |