Due to the lack of in-depth research on this structure, however, scientists are uncertain whether they are biogenic or abiogenic in origin. The study revealed that the crystallographic ...

Sedimentary rock is one of the three main ... by the deposition of the results of biogenic activity; and by precipitation from solution.

The conceptual framework of ichnology with particular emphasis on the ethological (behavioral) classification of biogenic structures, as well as its applications to the ichnofacies concept and ...

The fossils are stromatolites — sedimentary structures produced by microorganisms — and a team of Australian scientists found them in a western Greenland region known as the Isua Greenstone Belt.