mudstone

noun

mud·​stone ˈməd-ˌstōn How to pronounce mudstone (audio)
: an indurated shale produced by the consolidation of mud

Examples of mudstone in a Sentence

Recent Examples on the Web
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The discovery of sulfur-rich organics followed in 2018, and just this year, more complex, long-chain alkanes were found in Martian mudstones. Dirk Schulze-Makuch, Big Think, 17 Sep. 2025 The mudstone is rich in silica and clays – mineral grains deposited in a low-energy environment found on the shores of a lake. David Bressan, Forbes.com, 12 Sep. 2025 The sample, collected in summer 2023, comes from clay-rich mudstones in Neretva Vallis, a river channel that once fed into Jezero Crater. Gabe Whisnant, MSNBC Newsweek, 10 Sep. 2025 The mudstone created an environment that could concentrate and preserve organic molecules and trapped them inside the fine grains of the sedimentary rock. Ashley Strickland, CNN Money, 29 Mar. 2025 See All Example Sentences for mudstone

Word History

First Known Use

circa 1736, in the meaning defined above

Time Traveler
The first known use of mudstone was circa 1736

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Cite this Entry

“Mudstone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mudstone. Accessed 2 Oct. 2025.

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