The evolution of Earth's biogeochemical nitrogen cycle

EE Stüeken, MA Kipp, MC Koehler, R Buick - Earth-Science Reviews, 2016 - Elsevier
Nitrogen is an essential nutrient for all life on Earth and it acts as a major control on
biological productivity in the modern ocean. Accurate reconstructions of the evolution of life …

The Mesoproterozoic oxygenation event

S Zhang, H Wang, X Wang, Y Ye - Science China Earth Sciences, 2021 - Springer
The accumulation of oxygen is one of the most important characteristics that distinguish
Earth from other planets in the solar system, which is also considered to be the key factor …

Oxygenation of the Mesoproterozoic ocean and the evolution of complex eukaryotes

K Zhang, X Zhu, RA Wood, Y Shi, Z Gao… - Nature Geoscience, 2018 - nature.com
Abstract The Mesoproterozoic era (1,600–1,000 million years ago (Ma)) has long been
considered a period of relative environmental stasis, with persistently low levels of …

A pulse of oxygen increase in the early Mesoproterozoic ocean at ca. 1.57–1.56 Ga

M Shang, D Tang, X Shi, L Zhou, X Zhou… - Earth and Planetary …, 2019 - Elsevier
The relationship between oxygen and evolution of early eukaryotes including algae and
primitive animals in geological history has been debated, partly due to the varying estimates …

Extremely low oxygen concentration in mid-Proterozoic shallow seawaters

D Tang, X Shi, X Wang, G Jiang - Precambrian Research, 2016 - Elsevier
Abstract The mid-Proterozoic (1.8–0.8 Ga) witnessed the first appearance but unusually low
diversification of eukaryotes. The stagnant biotic evolution during this billion-year-long …

Extensive sea-floor oxygenation during the early Mesoproterozoic

D Xu, Z Qin, X Wang, J Li, X Shi, D Tang… - … et Cosmochimica Acta, 2023 - Elsevier
The Mesoproterozoic ocean was previously proposed to be characterized by low oxygen
concentrations that may have resulted in a stasis in eukaryotic evolution. Recent studies …

Hydrocarbon generation characteristics and exploration prospects of Proterozoic source rocks in China

W Zhao, X Wang, S Hu, S Zhang, H Wang… - Science China Earth …, 2019 - Springer
A large number of primary oil and gas reservoirs have been discovered in Proterozoic strata
all over the globe. Proterozoic sequences are widely distributed in China, and the discovery …

Comparative microbial diversity and redox environments of black shale and stromatolite facies in the Mesoproterozoic **amaling Formation

G Luo, C Hallmann, S **e, X Ruan… - … et Cosmochimica Acta, 2015 - Elsevier
The composition of microbial communities and their relationship to ocean redox structure in
the Precambrian are topics of continuing interest in geobiology. Our knowledge of …

Fluctuating oxygenation and dynamic iron cycling in the late Paleoproterozoic ocean

X Yang, J Mao, R Li, F Huang, C He, C Zhao… - Earth and Planetary …, 2024 - Elsevier
Abstract The mid-Proterozoic (1.8–0.8 billion years ago, Ga) is generally considered to have
been an interval of relative stasis in terms of environmental and biological evolution. Indeed …

Diversity of organic-walled microfossils from the early Mesoproterozoic Ruyang Group, North China Craton–A window into the early eukaryote evolution

H Agić, M Moczydłowska, L Yin - Precambrian Research, 2017 - Elsevier
Mesoproterozoic Era was an important time for initial diversification of eukaryotic clades and
appearance of the earliest complex cell morphologies. Shales and siltstones of the Ruyang …