Iron formations (IF) represent an iron-rich rock type that typifies many Archaean and
Proterozoic supracrustal successions and are chemical archives of Precambrian seawater …

Cyanobacteria played an important role in the evolution of Early Earth and the biosphere.
They are responsible for the oxygenation of the atmosphere and oceans since the Great …

The rise of atmospheric oxygen fundamentally changed the chemistry of surficial
environments and the nature of Earth's habitability. Early atmospheric oxygenation occurred …

The first significant buildup in atmospheric oxygen, the Great Oxidation Event (GOE), began
in the early Paleoproterozoic in association with global glaciations and continued until the …

Molecular oxygen (O2) is, and has been, a primary driver of biological evolution and shapes
the contemporary landscape of Earth's biogeochemical cycles. Although “whiffs” of oxygen …

Iron formations are economically important sedimentary rocks that are most common in
Precambrian sedimentary successions. Although many aspects of their origin remain …

铼-锇同位素定年已经成为矿床学乃至于地质学领域最重要的定年技术之一.
文章简略地回顾了铼-锇同位素体系技术方法的发展过程; 介绍了准确测定187Re …

Construction and assembly of the Geologic Time Scale involves:(a) constructing a relative
(chronostratigraphic) standard scale for key periods in the Earth's rock record;(b) identifying …

Biogeochemical signatures preserved in ancient sedimentary rocks provide clues to the
nature and timing of the oxygenation of the Earth's atmosphere. Geochemical data …

High-resolution chemostratigraphy reveals an episode of enrichment of the redox-sensitive
transition metals molybdenum and rhenium in the late Archean Mount McRae Shale in …