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Earth's core holds enough gold to cover every continent in a layer 50 centimetres deep, but until volcanic rocks from Hawaii were analysed in 2025, geologists assumed it was sealed away forever — the

A 2025 ruthenium isotope study found evidence that material from Earth’s core is entering the mantle and reaching Hawaiian volcanic rocks, though it did not directly detect gold in transit. Earth’s metallic core contains almost all of the planet’s gold, including enough, by one widely cited calculation, to spread a layer about 50 centimetres deep across every continent. None of that makes the core a mine. It begins roughly 2,900 kilomet... [6238 chars]

Earth's core holds enough gold to cover every continent in a layer 50 centimetres deep, but until volcanic rocks from Hawaii were analysed in 2025, geologists assumed it was sealed away forever — the

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