The layers you see in this image were once iron-rich and silica-rich sediments that settled on an ancient sea floor 2.7–2.4 billion years ago. Credit: The Australian Museum The layers you see in this ...

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 ...

Banded iron formations, such as this one pictured in Western Australia, precipitated out of the Earth's early oceans billions of years ago, and are providing new clues to the evolution of ancient ...

A new study shows that banded iron formations originated from oxidized iron, confirming the relevance and accuracy of existing models -- a finding of great importance to the geological community. A ...

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 ...

The world's primary economic source of iron ore, iron formations, are ancient sedimentary rocks that appear as solid as rocks can be. How did they get to be like that? According to researchers, it has ...

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 ...