Assertion: iron's abundance | /r/HasProperty | evidence
Facets:
value: for the existence of 60fe
type: OTHER
Source sentences:
text: In phases of the meteorites Semarkona and Chervony Kut, a correlation between the concentration of 60Ni, the granddaughter isotope of 60Fe, and the abundance of the stable iron isotopes could be found, which is evidence for the existence of 60Fe at the time of formation of the solar system.