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What are found on the outer surfaces of stromatolites?
Microbial mats and sediment layers are typically found on the outer surfaces of stromatolites. These structures are formed by the trapping and binding of sediment particles by microbial communities, resulting in layered structures visible on the surface.
Name of the oldest fossil found in Australia?
The oldest fossils in Australia are 3.5 billion year old stromatolites. Stromatolites are layered accretions of prokaryotic microbes, most often made up of photosynthetic organisms. Stromatolites still live in Australia today.
When did Stromatolites become extinct?
The are examples of stromatolites still living. They are not extinct.
What (who)are stromatolites?
The stromatolites are the layered mounds, columns, and the sheet-like sedimentary rocks.
What have scientist inferred from fossil stromatolites?
Scientists have inferred that fossil stromatolites provide evidence of early life on Earth, dating back billions of years. They suggest that these structures were built by ancient microbial communities, offering insights into the evolution of life and Earth's early environment. The study of fossil stromatolites helps scientists understand how life may have originated and thrived in extreme conditions.
Where do stromatolites form today?
Stromatolites form in shallow, saline or hypersaline environments such as coastal lagoons, estuaries, and hypersaline lakes. They are also found in some marine environments where conditions are suitable for their growth, such as in the Bahamas and Shark Bay in Australia.
What part of a cave are stromatolites found in?
Stromatolites are typically found in shallow marine environments within a cave, such as near the cave entrance where light can penetrate for photosynthesis to occur. These microbial mats form layers of sediment and minerals over time, creating structures that can be observed in cave environments.
What are the oldest fossils?
Stromatolites.
How is a structure built?
Stromatolites
What is the oldest fossil ever found and to what date does it go back to?
The oldest fossil ever found is a cyanobacteria fossil known as stromatolites, dating back around 3.5 billion years. Stromatolites are layered structures formed by the trapping and binding of sediment by microbial communities, providing some of the earliest evidence of life on Earth.
What fossils are from the Precambrian era?
Stromatolites
Are structures built by cyanobacteria.?
stromatolites
