Clues Point To Sulfur In Earth's Core
Sunday, June 21, 2015 - 15:50
in Earth & Climate
Researchers have found chemical evidence for the presence of sulfur in the Earth's core. They determined the composition of the core, which is inaccessible to direct sampling, by analyzing isotopes - atoms of the same element that have different masses - of copper in various crust and mantle rocks and then comparing them with the chemical composition of meteorites, representative of the materials that formed the Earth. read more