π Earth's core gold might be leaking into the mantle
Scientists found evidence that core material is leaking into the Earth's mantle, challenging old geological assumptions. Researchers at the University of GΓΆttingen detected ruthenium traces in volcanic rocks from Hawaii. This isotopic evidence was published in Nature in 2025, confirming material exchange across the core-mantle boundary. The finding shows core material moves via deep mantle processes, though not in economically useful quantities. Future research will explore if this leakage has been constant or varies over Earth's history. π