Examples of clast in a Sentence
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Statistically assessed using the surface areas of apatite grains in all basaltic clast, the modal abundance of apatite in CE6 basalts is found to be less than 0.07 vol% (Supplementary Table 2).
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Keith Cooper, Space.com, 16 July 2025
The presolar silicate grains inside the clasts contained significant amounts of the isotope Carbon-13.
—Elizabeth Rayne, Ars Technica, 2 Aug. 2023
The clasts can then react with water, producing a solution saturated with calcium.
—Jennifer Ouellette, Ars Technica, 19 Apr. 2023
In other words, these small lime-clast chunks can react with water, post-mixing, to recrystallize as calcium carbonate, and fill cracks while reacting with the ash for further strength.
—Tim Newcomb, Popular Mechanics, 3 Feb. 2023
Meanwhile, an identical chunk of concrete without the lime-clast structure never healed, and the water just kept flowing through the sample.
—Daniel Cusick, Scientific American, 18 Jan. 2023
In could reach such an extreme that the biological hitchhikers would cause the pumice to sink or preferential float with one side facing up, creating microenvironments on a single pumice clast!
—Erik Klemetti, Discover Magazine, 22 Aug. 2012
These differences in bubble shape and density in the same clast is not seen in pumices collected from typical explosive eruptions (like the pumices collected above the ocean surface at Macauley Island).
—Erik Klemetti, Discover Magazine, 21 Jan. 2013
In geology, a clast is a fragment of an older rock, now broken up and embedded in a younger one.
—Richard A. Lovett, Outside Online, 16 Nov. 2020
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Keith Cooper, Space.com, 16 July 2025
The presolar silicate grains inside the clasts contained significant amounts of the isotope Carbon-13.
—Elizabeth Rayne, Ars Technica, 2 Aug. 2023
The clasts can then react with water, producing a solution saturated with calcium.
—Jennifer Ouellette, Ars Technica, 19 Apr. 2023
In other words, these small lime-clast chunks can react with water, post-mixing, to recrystallize as calcium carbonate, and fill cracks while reacting with the ash for further strength.
—Tim Newcomb, Popular Mechanics, 3 Feb. 2023
Meanwhile, an identical chunk of concrete without the lime-clast structure never healed, and the water just kept flowing through the sample.
—Daniel Cusick, Scientific American, 18 Jan. 2023
In could reach such an extreme that the biological hitchhikers would cause the pumice to sink or preferential float with one side facing up, creating microenvironments on a single pumice clast!
—Erik Klemetti, Discover Magazine, 22 Aug. 2012
These differences in bubble shape and density in the same clast is not seen in pumices collected from typical explosive eruptions (like the pumices collected above the ocean surface at Macauley Island).
—Erik Klemetti, Discover Magazine, 21 Jan. 2013
In geology, a clast is a fragment of an older rock, now broken up and embedded in a younger one.
—Richard A. Lovett, Outside Online, 16 Nov. 2020
Cite this Entry
“Clast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clast. Accessed 29 Jul. 2025.
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