: an indurated shale produced by the consolidation of mud
Examples of mudstone in a Sentence
Recent Examples on the WebThis is a land of limestone, sandstone, siltstone, and mudstone — basic sedimentary rock.—Discover Magazine, 9 Feb. 2024 All three holes intersected wide bands of favourable claystone and mudstones.—Fort Worth Star-Telegram, 25 Jan. 2024 Bordering one surface, Liu noticed, was a small shelf of mudstone that bore a red patina.—Robert Moor, Discover Magazine, 5 Oct. 2016 Its robotic arm drilled a 2.5-inch borehole in mudstone bedrock.—Adam Hadhazy, Discover Magazine, 9 Dec. 2013 Galestro is a crumbly marl (mudstone) made of layered limestone and sandstone.—Joseph V Micallef, Forbes, 18 Dec. 2022 Salt crystals left impressions in 3.5 billion-year-old mudstone, part of WesternAustralia's Pilbara Craton.—Gemma Tarlach, Discover Magazine, 11 June 2019 The mudstone and carbonate sediment around the specimens indicates that the site had been deep underwater.—Max G. Levy, WIRED, 19 Dec. 2022 Perseverance has, for example, identified a 3-foot-wide mudstone, dubbed Wildcat Ridge, that contains organic compounds and likely formed billions of years ago as mud and sandy sediments were deposited in an evaporating lake.—Denise Chow, NBC News, 15 Sep. 2022
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mudstone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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