Science, Space and Technology News 2024
Curtin University researchers found that Western Australia’s Hamersley iron ore deposits are one billion years younger than previously believed, formed during significant geological events 1.4 to 1.1 billion years ago.has uncovered that the vast iron ore deposits in Western Australia’s Hamersley Province are approximately one billion years younger than previously estimated. This finding could significantly boost the search for more of the resource.
Curtin University’s John de Laeter Centre at the time of the research and is now at the University of Colorado, Boulder, said the findings showed iron deposits formed during a period of major geological activity when ancient supercontinents were breaking apart and new ones were forming. “The discovery of a link between these giant iron ore deposits and changes in supercontinent cycles enhances our understanding of ancient geological processes and improves our ability to predict where we should explore in the future.
“By using an emerging technique to date iron oxide minerals through uranium and lead isotope analysis within the mineral grains, we directly dated all the major giant BIF-hosted iron ore deposits in the Hamersley Province.
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