siltstone
noun
silt·stone
ˈsilt-ˌstōn 
: a rock composed chiefly of silt hardened by heat, pressure, or cementation
Examples of siltstone in a Sentence
Recent Examples on the Web
The specific egg sample used for dating came from a cluster of 28 eggs found within breccia-bearing siltstone.
—
Mrigakshi Dixit, Interesting Engineering, 11 Sep. 2025
This is a land of limestone, sandstone, siltstone, and mudstone — basic sedimentary rock.
—Discover Magazine, 9 Feb. 2024
The crocodile sample, which was initially preserved in a siltstone mass, had been partially crushed.
—Sana Noor Haq, CNN, 14 Feb. 2022
The reddish-brown siltstone, orange sandstone, and green clay stone are eroded into intricate swirls, icicles, cones, and rounded rec rooms.
—John Phillips, Car and Driver, 24 Mar. 2020
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Mrigakshi Dixit, Interesting Engineering, 11 Sep. 2025
This is a land of limestone, sandstone, siltstone, and mudstone — basic sedimentary rock.
—Discover Magazine, 9 Feb. 2024
The crocodile sample, which was initially preserved in a siltstone mass, had been partially crushed.
—Sana Noor Haq, CNN, 14 Feb. 2022
The reddish-brown siltstone, orange sandstone, and green clay stone are eroded into intricate swirls, icicles, cones, and rounded rec rooms.
—John Phillips, Car and Driver, 24 Mar. 2020
Cite this Entry
“Siltstone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/siltstone. Accessed 16 Sep. 2025.
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