A team of geologists has unveiled the largest iron ore deposit ever recorded, located in the Hamersley Range of Western ...
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 ...
2,500 mya: Banded iron formations Banded iron formations (BIFs) are sedimentary rocks deposited extensively on the ocean floor over hundreds of millions of years. Their alternating rust- and gray ...