https://en.wikipedia.org/wiki/Stromatolite

Stromatolites or stromatoliths are layered mounds, columns, and sheet-like sedimentary rocks .... Modern stromatolites are mostly found in hypersaline lakes and marine lagoons where extreme conditions due to high saline levels prevent ...

http://www.fossilmuseum.net/Tree_of_Life/Stromatolites.htm

Modern stromatolites were first discovered in Shark Bay, Australia in 1956, and throughout western Australia in both marine and non-marine environments.

http://www.indiana.edu/~geol105b/images/gaia_chapter_10/stromatolites.htm

Stromatolites. Stromatolites are layered mounds, columns, and sheet-like sedimentary rocks. They were originally formed by the growth of layer upon layer of ...

https://www.newsweek.com/ancient-organism-life-earth-tasmania-stromatolites-715024

Nov 17, 2017 ... The (likely) oldest form of life on Earth was recently found thriving in Tasmania, giving us a true glimpse of our planet 3.7 billion years ago.

https://www.nps.gov/care/learn/nature/stromatolite.htm

Dec 23, 2017 ... Living and fossil stromatolites are usually no more than half a meter tall and are found in marine environments. In contrast, the Capitol Reef ...

https://www.bushheritage.org.au/species/stromatolites

The Stromatolites of Hamelin Pool at Hamelin Station Reserve may look like a cross between gigantic cauliflowers and rocks, but they're incredibly important as  ...

https://www.atlasobscura.com/places/the-stromatolites-of-hamelin-pool-australia

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 ...

https://www.australiascoralcoast.com/destination/stromatolites-hamelin-pool

The oldest Stromatolites in the world are found in Western Australia, and date to 3.7 billion years old. As such, the stromatolites provide a record of local ...

https://www.smithsonianmag.com/smart-news/what-happened-to-the-stromatolites-the-most-ancient-visible-lifeforms-on-earth-84714880/

May 30, 2013 ... The researchers of this new study decided to compare modern stromatolites and thrombolites for clues. With genetic sequencing, they found ...

https://ucmp.berkeley.edu/bacteria/cyanofr.html

At right is a layered stromatolite, produced by the activity of ancient cyanobacteria . The layers were produced as calcium carbonate precipitated over the growing ...