Unlike the core, the mantle is mostly solid, and makes up most of the planet (84 percent of the Earth’s volume to be exact). Comparatively, the mantle also has less of a platinum-group-metal ...

Researchers have found evidence that Earth's core is leaking gold and other precious metals, according to a new study. The vast majority (99.9%) of Earth's gold and other precious metals are ...

Although carbon-rich asteroids are common in space, they account for less than 5% of the meteorites that reach Earth. To ...

As meteorites bombarded one another in Earth’s early history, a reservoir of these precious metals developed when the core formed about 4.5 billion years ago.

While ¹⁰⁰Ru does exist in Earth’s mantle, it’s slightly more abundant inside of the core —alongside 99.999 percent of the planet’s gold and other precious metals.

Earth’s core formed over 4 billion years ago and contains more than 99.999% of the planet’s gold supply. But as Nature reported, previous studies indicated that some volcanic rocks consisted ...

Scientists solve mystery of some of Earth’s most dramatic landscapes - Results showed that when continents split, the stretching of the continental crust causes stirring in the Earth’s mantle ...

University of Maryland. "One of Earth's ancient volcanic mysteries solved." ScienceDaily. ScienceDaily, 30 April 2025. <www.sciencedaily.com / releases / 2025 / 04 / 250430142012.htm>.

Well, ruthenium does exist on the Earth’s surface – but, like gold, it’s far more abundant within the core. 100 Ru specifically is even more traceable: “the Ru isotope composition of ...