The study of banded iron formations (BIFs) offers a unique window into early Earth’s geochemical cycles and the evolution of its oceans and atmosphere. These sedimentary deposits, characterised by ...

A new study by University of Alberta scientists shows that banded iron formations originated from oxidized iron, confirming the relevance and accuracy of existing models--a finding of great importance ...

HOUSTON – (May 25, 2023) – Visually striking layers of burnt orange, yellow, silver, brown and blue-tinged black are characteristic of banded iron formations, sedimentary rocks that may have prompted ...

MADISON — The strikingly banded rocks scattered across the upper Midwest and elsewhere throughout the world are actually ambassadors from the past, offering clues to the environment of the early Earth ...

The discovery of Earth's youngest-ever banded iron formation is changing how scientists understand the evolution of complex life. The banded iron formation, located in western China, has been ...

Banded iron formations could not have formed by post-depositional oxidation, according to four million hydrogeological box model iterations that failed to reproduce secondary oxidation on reasonable ...