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Stromatolite reef from the Early Archaean era of Australia
TLDR
A multi-kilometre-scale palaeontological and palaeoenvironmental study of the Strelley Pool Chert, in which the first morphotype-specific analysis of the structures within their palaioenvironment and refute contemporary abiogenic hypotheses for their formation are undertaken.
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Stromatolites 3,400–3,500 Myr old from the North Pole area, Western Australia
Stromatolites are the least controversial evidence of early life; they are organosedimentary structures resulting from the growth and metabolic activity of microorganisms1. Before this report,…
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Morphological and ecological complexity in early eukaryotic ecosystems
TLDR
It is shown that the cytoskeletal and ecological prerequisites for eukaryotic diversification were already established in eukARYotic microorganisms fossilized nearly 1,500 Myr ago in shales of the early Mesoproterozoic Roper Group in northern Australia.
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Dating the 840–544 Ma Neoproterozoic interval by isotopes of strontium, carbon, and sulfur in seawater, and some interpretative models
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The Ediacaran Period: A New Addition to the Geologic Time Scale
The International Union of Geological Sciences has approved a new addition to the geologic time scale: the Ediacaran Period. The Ediacaran is the first Proterozoic period to be recognized on the…
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Evidence for low sulphate and anoxia in a mid-Proterozoic marine basin
TLDR
An analysis of the iron chemistry of shales deposited in the marine Roper Basin, Australia, between about 1,500 and 1,400 million years ago, which record deep-water anoxia beneath oxidized surface water, helping to integrate a growing body of evidence favouring a long-lived intermediate state of the oceans.
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Neoproterozoic stratigraphy of the Centralian Superbasin, Australia
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Filamentous fossil bacteria from the Archean of Western Australia
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TEM evidence for eukaryotic diversity in mid‐Proterozoic oceans
Biomarker molecular fossils in 2770 Ma shales suggest that the Eucarya diverged from other principal domains early in Earth history. Nonetheless, at present, the oldest fossils that can be assigned…
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A New Period for the Geologic Time Scale
TLDR
The geologic time scale is in need of an update, given that the last modification took place in 1891, and the Ediacaran Period is added by the International Union of Geological Sciences.
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