Allwood et al. Inaugural Article: Controls on development and diversity of Early Archean stromatolites. Proceedings of the National Academy of Sciences , 2009; 106 (24): 9548 DOI: 10.1073/pnas ...

Stromatolites are dome- or column-like sedimentary rock structures that are formed in shallow water, layer by layer, over long periods of geologic time. Now, researchers from the California ...

Stromatolites are layered carbonate structures formed by ... in ancient oceans and played a crucial role in increasing ...

The humble stromatolite fossils may not look as cool as dinosaurs, but they were the rulers of ancient Earth — and none of us would be here without ... Earth was nothing like it is now. Were you to ...

Stromatolites are the earliest geological record of life on Earth. These curious biotic structures are made of algae carpets growing toward the light and precipitating carbonates. After their ...

Warrawoona Group stromatolites (3.46 billion years old) ... The fossils of this rock sequence are commonly found in ancient Archean chert, a hard, ...

Both stromatolites and MISS are first found in the early Archean, more than three billion years ago, recording highly evolved microbial activity quite early in Earth's history. Whereas the ...

A paleo-Archean parade It was these conical shapes, however, that first puzzled Allwood. The triangles seemed to be perfectly aligned, each sliced through at their peak by the weathered rock face.

Scientists have discovered a previously hidden ecosystem with an expansive system of lagoons in the salt plains of Puna de Atacama, an arid plateau in Argentina — with giant stromatolites that ...