Metamorphosed banded iron formation from southern Wyoming showing deformation and folding. The rock is approximately 2.7 billion years old. Dark bands are iron oxides (magnetite, hematite) and ...

At 2.5 billion years old and weighing in at 2.5 tonnes, the banded iron formation is so heavy that Museum engineers had to reinforce the floor underneath it in Hintze Hall. 'The rock tells a ...

Yet the iron dissolved in the oceans was oxidized in gigantic quantities and deposited as rock. It can be seen today, for example, as banded iron ore in South Africa. A new study investigates how ...

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 ...

As a geology undergraduate student, I was taught about the importance of a type of rock deposit known as the banded iron formation in recording the planet’s history. Banded iron formations were ...

As a geology undergraduate student, I was taught about the importance of a type of rock deposit known as the banded iron formation in recording the planet's history. Rain falling on continental ...

This oxygen combined with iron in the oceans, causing it to settle on the sea floor. Today, these 2.45-billion-year-old sedimentary rock deposits are called banded iron formations. They represent ...

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 ...

Study co-author Associate Professor Martin Danišík, from the John de Laeter Centre, said the research precisely dated minerals from banded iron formations (BIFs), which are ancient underwater ...