How to Use stromatolite in a Sentence
stromatolite
noun-
The researchers also found signs of stromatolites living near the hot springs.
—Fox News, 11 May 2017
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In an ideal world, the outline of an ancient stromatolite would pop out in vivid contrast to a background of rock.
—Quanta Magazine, 22 Oct. 2018
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Their first observation is the simplest—there's a problem with the shape of the purported stromatolites.
—Scott K. Johnson, Ars Technica, 18 Oct. 2018
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This formed features that resemble stromatolites, but only when viewed head on.
—Bridget Alex, Discover Magazine, 7 May 2019
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The region is full of, stromatolites, layered mounds or sheets of rock that were produced by ancient photosynthesizing bacteria that grew in moist mats and trapped layers of sediments over time.
—Ben Panko, Smithsonian, 11 May 2017
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Stromatolites are another type of formation that are prime real estate for extant life.
—National Geographic, 17 Oct. 2016
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The region is full of stromatolites, layers of rock that were produced by ancient photosynthesizing bacteria that grew in moist mats and trapped layers of sediments over time.
—Ben Panko, Smithsonian, 11 May 2017
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But even with samples from our home planet, not all scientists are convinced that these ancient structures are fossils, since stromatolites can form without the assistance of microbial mats.
—National Geographic, 17 Oct. 2016
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They are called stromatolites, a microbial mat formed in shallow water by trapping and binding sedimentary grain by biofilms.
—Brian E. Clark, Milwaukee Journal Sentinel, 9 Mar. 2018
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Stromatolites today are often found in saltwater environments, which is why scientists have for decades assumed that the Dresser Formation was once an ocean shoreline.
—Ben Panko, Smithsonian, 11 May 2017
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Some of Earth's oldest fossils come in the form of stromatolites: layered structures created by aquatic colonies of photosynthetic microbes called cyanobacteria.
—National Geographic, 7 May 2018
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Elsewhere on Earth, stromatolites provide proof of bacterial communities as old as 3.5 billion years.
—Bridget Alex, Discover Magazine, 7 May 2019
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The scientists from the University of New South Wales discovered 3.5 billion-year-old stromatolites, ancient sedimentary rocks, that were generally believed to contain the earliest signs of life, a theory that has now been proven.
—Fox News, 26 Sep. 2019
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Researchers have found stromatolites, microbial mats, chemical signatures indicative of life and more.
—Riley Black, Smithsonian Magazine, 30 Mar. 2020
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Even more intriguing is the story told by the simultaneous existence of these organisms and a completely different type of photosynthetic life-form that created the 3.7-billion-year-old microbial mats, called stromatolites.
—Photograph Courtesy Matthew Dodd, National Geographic, 1 Mar. 2017
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People standing and walking on stromatolites, ancient life forms of great scientific significance.
—Lauren Sloss, New York Times, 24 Dec. 2019
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The controversy concerns stromatolites, which are ancient ruins of microbial activity preserved in rock.
—Quanta Magazine, 22 Oct. 2018
Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'stromatolite.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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