Signatures of early microbial life from the Archean (4 to 2.5 Ga) eon
K Lepot - Earth-Science Reviews, 2020 - Elsevier
Abstract The Archean era (4 to 2.5 billion years ago, Ga) yielded rocks that include the
oldest conclusive traces of life as well as many controversial occurrences. Carbonaceous …
oldest conclusive traces of life as well as many controversial occurrences. Carbonaceous …
The importance of water for life
F Westall, A Brack - Space Science Reviews, 2018 - Springer
Liquid water is essential for life as we know it, ie carbon-based life. Although other
compound-solvent pairs that could exist in very specific physical environments could be …
compound-solvent pairs that could exist in very specific physical environments could be …
Microbial life and biogeochemical cycling on land 3,220 million years ago
The colonization of emergent continental landmass by microbial life was an evolutionary
step of paramount importance in Earth history. Here we report direct fossil evidence for life …
step of paramount importance in Earth history. Here we report direct fossil evidence for life …
Earliest life on earth: evidence from the Barberton Greenstone Belt, South Africa
M Homann - Earth-Science Reviews, 2019 - Elsevier
Studies investigating the structure and diversity of Earth's record of life older than 3.2 Ga are
restricted to two locations worldwide in which sedimentary rocks have escaped regional …
restricted to two locations worldwide in which sedimentary rocks have escaped regional …
Part B, volume 2, chapter 5: microbially induced sedimentary structures (MISS)
To date, microbialites include five groups: stromatolites, thrombolites, leiolites, and
dendrolites. All these microbialites occur in carbonate or silica lithologies. However …
dendrolites. All these microbialites occur in carbonate or silica lithologies. However …
The Close-Up Imager onboard the ESA ExoMars Rover: objectives, description, operations, and science validation activities
Abstract The Close-Up Imager (CLUPI) onboard the ESA ExoMars Rover is a powerful high-
resolution color camera specifically designed for close-up observations. Its accommodation …
resolution color camera specifically designed for close-up observations. Its accommodation …
Most ancient evidence for life in the Barberton greenstone belt: Microbial mats and biofabrics of the∼ 3.47 Ga Middle Marker horizon
Abstract The Middle Marker–horizon H1 of the Hooggenoeg Formation–is the oldest
sedimentary horizon in the Barberton greenstone belt and one of the oldest sedimentary …
sedimentary horizon in the Barberton greenstone belt and one of the oldest sedimentary …
The Moodies Group—a high-resolution archive of Archaean surface processes and basin-forming mechanisms
C Heubeck - The Archaean Geology of the Kaapvaal Craton …, 2019 - Springer
Abstract The Moodies Group is the uppermost and youngest unit of the Barberton
Supergroup, the volcanic-sedimentary sequence forming the Barberton Greenstone Belt …
Supergroup, the volcanic-sedimentary sequence forming the Barberton Greenstone Belt …
Stromatolite-like Structures Within Microbially Laminated Sandstones of the Paleoarchean Moodies Group, Barberton Greenstone Belt, South Africa
We report abundant small calcareous mounds associated with fossilized kerogenous
microbial mats in tidal-facies sandstones of the predominantly siliciclastic Moodies Group …
microbial mats in tidal-facies sandstones of the predominantly siliciclastic Moodies Group …
Skeletal vs microbialite geobiological role in bioconstructions of confined marine environments
The dark and confined conditions of submarine caves allow the development of cryptic
bioconstructions. They have been named “biostalactites” due to their distinctive growth from …
bioconstructions. They have been named “biostalactites” due to their distinctive growth from …