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Jul 8, 2008 · Scientists have confirmed that an approximately 500 million-year-old stromatolite was recently discovered at the Boxley Blue Ridge Quarry near Roanoke, Virginia. This is the …

Stromatolites, the commonest type of microbialites, are abundant in rocks older than 500 million years (which cover nearly two-thirds of the State), and are key fossils for understanding the …

Some of the oldest stromatolites known from the park are found in the upper Altyn Limestone (1.35 to 1.45 billion years old) near Apikuni Falls. These were first described by two …

Here we describe stromatolites 3,400–3,500-Myr old from the Pilbara Block of Western Australia. These are the oldest firmly established biogenic deposits now known from the geological...

Apr 28, 2016 · While stromatolite fossils—some of them 3.5 billion years old—have been found around the world, the stromatolites of Hamelin Pool were the first living specimens ever …

Sep 9, 2022 · Stromatolites are the oldest known macrofossils, dating back over 3 billion years (Earth is ~4.5 billion years old). Dominating the fossil record for 80% of Earth history, they are …

Aug 31, 2016 · Now, scientists say they have identified fossilized microbial mats, called stromatolites, in Greenland that date to about 3.7 billion years ago—nearly 300 million years …

These solidified microbial mats (stromatolites) were now able to emerge and "meet the sun," generating photosynthesis since 3,500 million years ago. The first producers of free oxygen.

Aug 31, 2016 · Consisting of fossilized blue-green algae colonies known as stromatolites, the 3.7 billion year old petrified remains are more than 200 million years older than the world's …

Nov 14, 2017 · A remote, protected world heritage area has been found to be the home of living stromatolites - the world's oldest evidence of lifeforms. They were found in freshwater spring …

15 hours ago · The team believe the unusual nitrogen isotope patterns found in Zimbabwe can offer new understandings of the mechanisms at play in Earth's early marine environment …

Feb 14, 2025 · The nature of stromatolites: 3,500 million years of history and a century of research. In Advances in Stromatolite Geobiology Lecture Notes in Earth Sciences (eds …

1 day ago · Study of 2.75-billion-year-old stromatolites uncovers unusual nitrogen cycling via upwelling, suggesting volcanic activity fueled early microbial life. ... The team believe the …

1 day ago · “Our study reveals high nitrogen isotope values in 2.75 billion-year-old shallow water stromatolites, and lower nitrogen values in deeper marine sediments. This suggests that …

14 hours ago · An example of stromatolites investigated in the study found in the Cheshire Formation of the Belingwe greenstone belt, Zimbabwe. ... "Our study reveals high nitrogen …