Assertion: metal's application | /r/AtLocation | conjunction
Facets:
value: with the abundance of iridium
type: OTHER
Source sentences:
text: However, the most notable application of osmium isotopes in geology has been in conjunction with the abundance of iridium, to characterise the layer of shocked quartz along the Cretaceous–Paleogene boundary that marks the extinction of the non-avian dinosaurs 65 million years ago.