stromatolite
noun
stro·mat·o·lite
strō-ˈma-tə-ˌlīt 
: a laminated usually mounded sedimentary fossil formed from layers of cyanobacteria, calcium carbonate, and trapped sediment
Examples of stromatolite in a Sentence
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That first day on the Northwest Passage is far and away the most colorful, the tundra dappled with the autumn colors and shore excursions to view the two-billion-year-old stromatolites at Port Epworth, an area nominated for UNESCO World Heritage status.
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Joe Yogerst, Forbes, 27 Feb. 2025
Proterozoic fossils, dating from 2,500 million to 539 million years ago, include body imprints in fine sediments, stromatolites, trace fossils, chemical and isotopic remains.
—David Bressan, Forbes, 27 Dec. 2024
Furlan Marri For the first time, Furlan Marri has used stromatolite to create a unique timepiece.
—Anthony Demarco, Forbes, 26 Nov. 2024
Made of sand or minerals, stromatolites can reach five metres tall.
—Joshua Rothman, The New Yorker, 3 Sep. 2024
See All Example Sentences for stromatolite
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Joe Yogerst, Forbes, 27 Feb. 2025
Proterozoic fossils, dating from 2,500 million to 539 million years ago, include body imprints in fine sediments, stromatolites, trace fossils, chemical and isotopic remains.
—David Bressan, Forbes, 27 Dec. 2024
Furlan Marri For the first time, Furlan Marri has used stromatolite to create a unique timepiece.
—Anthony Demarco, Forbes, 26 Nov. 2024
Made of sand or minerals, stromatolites can reach five metres tall.
—Joshua Rothman, The New Yorker, 3 Sep. 2024
See All Example Sentences for stromatolite
Cite this Entry
“Stromatolite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stromatolite. Accessed 9 Mar. 2025.
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