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 ...

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 ...

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 ...

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 ...

Mining threatens iron formations on the Helena and Aurora Range, home to several endemic species of flower. CONSERVATION GROUPS IN WESTERN AUSTRALIA are campaigning to protect one of the last pristine ...

Mining threatens iron formations on the Helena and Aurora Range, home to several endemic species of flower. CONSERVATION GROUPS IN WESTERN AUSTRALIA are campaigning to protect one of the last pristine ...

Scientists have demonstrated that a new geochemical archive -- 182-Tungsten in banded iron formations -- can be used to simultaneously trace both the evolution of the Earth's mantle and continents ...

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth's oceans were once green, in ...

Surface channel sampling has confirmed that the Banded Iron Formation (“BIF”) gold zone extends to surface, with thick mineralized intervals that include higher-grade gold; Highest gold grades in the ...