Lipid biomarkers: molecular tools for illuminating the history of microbial life
Fossilized lipids preserved in sedimentary rocks offer singular insights into the Earth's
palaeobiology. These 'biomarkers' encode information pertaining to the oxygenation of the …
palaeobiology. These 'biomarkers' encode information pertaining to the oxygenation of the …
Challenges in evidencing the earliest traces of life
EJ Javaux - Nature, 2019 - nature.com
Earth has been habitable for 4.3 billion years, and the earliest rock record indicates the
presence of a microbial biosphere by at least 3.4 billion years ago—and disputably earlier …
presence of a microbial biosphere by at least 3.4 billion years ago—and disputably earlier …
[HTML][HTML] 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 …
[图书][B] Geomicrobiology
HL Ehrlich, DK Newman - 2008 - taylorfrancis.com
Uncovers the Key Role Microbes Play in the Transformation of Oxidizable and Reducible
MineralsMany areas of geomicrobial processes are receiving serious attention from …
MineralsMany areas of geomicrobial processes are receiving serious attention from …
Sulfate was a trace constituent of Archean seawater
In the low-oxygen Archean world (> 2400 million years ago), seawater sulfate
concentrations were much lower than today, yet open questions frustrate the translation of …
concentrations were much lower than today, yet open questions frustrate the translation of …
Microbially Induced Sedimentary Structures Recording an Ancient Ecosystem in the ca. 3.48 Billion-Year-Old Dresser Formation, Pilbara, Western Australia
Microbially induced sedimentary structures (MISS) result from the response of microbial
mats to physical sediment dynamics. MISS are cosmopolitan and found in many modern …
mats to physical sediment dynamics. MISS are cosmopolitan and found in many modern …
Microfossils of sulphur-metabolizing cells in 3.4-billion-year-old rocks of Western Australia
Sulphur isotope data from early Archaean rocks suggest that microbes with metabolisms
based on sulphur existed almost 3.5 billion years ago, leading to suggestions that the …
based on sulphur existed almost 3.5 billion years ago, leading to suggestions that the …
Multiple sulfur isotopes and the evolution of Earth's surface sulfur cycle
DT Johnston - Earth-Science Reviews, 2011 - Elsevier
The distribution of sulfur isotopes in geological materials reveals information about Earth
history and biogeochemical processes. Research during the last several decades has used …
history and biogeochemical processes. Research during the last several decades has used …
Claypool continued: Extending the isotopic record of sedimentary sulfate
Abstract The Proterozoic Eon spans Earth's middle age during which many important
transitions occurred. These transitions include the oxygenation of the atmosphere …
transitions occurred. These transitions include the oxygenation of the atmosphere …
Anomalous sulphur isotopes in plume lavas reveal deep mantle storage of Archaean crust
Basaltic lavas erupted at some oceanic intraplate hotspot volcanoes are thought to sample
ancient subducted crustal materials,. However, the residence time of these subducted …
ancient subducted crustal materials,. However, the residence time of these subducted …