Volcanoes May Be Spewing Gold From Earth’s Molten Heart

Scientists have uncovered evidence that precious metals like gold are leaking from Earth’s core into the mantle, ultimately reaching the surface in places like Hawaii. Using a new method to detect subtle isotopic differences in ruthenium, researchers identified a distinct signal pointing to material from the deep core. This discovery challenges long-held beliefs about the [...]

from SciTechDaily https://ift.tt/2O91I4m