How to Use mudstone in a Sentence

mudstone

noun

• Galestro is a crumbly marl (mudstone) made of layered limestone and sandstone.
  — Joseph V Micallef, Forbes, 18 Dec. 2022
• All three holes intersected wide bands of favourable claystone and mudstones.
  — Fort Worth Star-Telegram, 25 Jan. 2024
• To reach pockets of coal, the drill passed through about a third of a mile of sandstone, mudstone, and hundreds of yards of permafrost.
  — Juliana Hanle, Scientific American, 18 Nov. 2019
• Made from small pieces of shale or mudstone, each bead had to be ground into a disc roughly half the size of an aspirin, then drilled with a hole.
  — National Geographic, 1 July 2017
• The rover began exploring an iron-rich ridge, leaving the mudstone behind.
  — Paul Voosen, Science | AAAS, 7 June 2018
• Curiosity drilled samples of mudstone in a region that is thought to have been a lake about three and a half billion years ago.
  — Jay Bennett, Popular Mechanics, 7 June 2018
• The crew found organic carbon inside two mudstones.
  — Chelsea Gohd, Space.com, 24 June 2026
• Bordering one surface, Liu noticed, was a small shelf of mudstone that bore a red patina.
  — Robert Moor, Discover Magazine, 5 Oct. 2016
• The photo above and to the right is a succession of alternating sandstone beds and mudstone beds (note trees for scale).
  — Brian Romans, WIRED, 2 Feb. 2007
• The rover came across evidence of mudstones from ancient lakes as well as sandstone where moving water once trickled into the lakes.
  — Ashley Strickland, CNN Money, 24 Apr. 2026
• Everything else told them that the lake environment in which the mudstones formed 3 billion years ago would have been a likely place for life to exist.
  — Eric Berger, Ars Technica, 7 June 2018
• And so Curiosity drove on to the base of Mount Sharp and sampled some of the mudstones (a rock that formed from muds and clays) found there.
  — Eric Berger, Ars Technica, 7 June 2018
• This is a land of limestone, sandstone, siltstone, and mudstone — basic sedimentary rock.
  — Discover Magazine, 9 Feb. 2024
• Could Martian mudstones be holding evidence of ancient microbes?
  — Chelsea Gohd, Space.com, 24 June 2026
• Parts of the bluffs are made of robust mudstone, but other sections are precarious, such as those filled with loose materials when the railroad was first constructed.
  — Joshua Emerson Smith, San Diego Union-Tribune, 14 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
• Located between layers of purplish-red mudstone and grayish-yellow sandstone were several armor plates and the shoulder, thigh, feet, back and rib bones of a stegosaur.
  — Ashley Strickland, CNN, 3 Mar. 2022
• The rover will range widely, performing science experiments and occasionally drilling small cores of mudstones and other rocks that could hold signs of ancient life.
  — Daniel Clery, Science | AAAS, 21 Nov. 2019
• The Murray formation is a rocky outcrop with characteristic bands of mudstone, possibly laid down by lakes of liquid water.
  — Jesse Emspak Space.com Contributor, Fox News, 29 June 2017
• These interactions left behind features in the two mudstones that look just like features created by microscopic life in sediments on Earth.
  — Chelsea Gohd, Space.com, 24 June 2026
• The instrument mapped organic material across the mudstones and revealed hundreds of carbon-rich signatures.
  — Aamir Khollam, Interesting Engineering, 25 June 2026
• Curiosity has found evidence of ancient lakes in older, lower-lying rock layers and also in younger mudstone that is above Old Soaker.
  — Raechel Price, The Mercury News, 18 Jan. 2017
• The Bright Angel mudstone also looks chemically distinct from other Jezero rocks.
  — Sharmila Kuthunur, Space.com, 3 Oct. 2025
• Curiosity has already found organic deposits trapped in mudstone that once contained organic molecules.
  — Harriet Marsden, theweek, 24 July 2024
• 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 carbon in one mudstone was found mixed with primarily silicate minerals, while the other was filled with carbon mixed with secondary carbonate and sulfate minerals.
  — Chelsea Gohd, Space.com, 24 June 2026
• 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
• Formed of mudstone dating to the Middle Triassic epoch, the rock could not have originated in the Krapina rockshelter, which is composed of sandstone.
  — David W. Frayer, Scientific American, 1 Feb. 2022
• According to the listing in the Portable Antiquities Scheme’s database, the rock is probably mudstone or shale.
  — Sarah Kuta, Smithsonian Magazine, 15 May 2024
• This analysis of the Murray formation required taking many samples of the mudstone, but doing them would take time away from other experiments and observations.
  — Jesse Emspak Space.com Contributor, Fox News, 29 June 2017