I propose we delve too greedily and too deep
@chemistryworld.comIron can form compounds with helium at pressures as low as 5GPa, researchers in Japan report. This result suggests that the Earth’s core could hold a large reservoir of primordial helium-3.
chemistryworld.com
Centre of the Earth could hold large reservoir of iron–helium compounds
Compounds containing helium and iron can be stable at ambient pressures
