KnowraJack Hills zirconLinked fromLinked fromThe 12 pages that link to Jack Hills zircon, each with the reason it gives.All 12Broader topic 8Related 1Compared with 3Continental crustBroader topic: Their chemistry offers indirect clues to crustal conditions before surviving continental rocks formed.Uranium–lead datingBroader topic: Its uranium–lead age provides evidence for very ancient continental crust on Earth.ZirconBroader topic: Their ages and chemistry underpin major claims about Hadean crust and liquid water.PrecambrianBroader topic: Its chemistry offers clues about Earth’s earliest crust and possible surface water.Age of EarthBroader topic: These grains record crustal material formed relatively soon after Earth’s assembly.HadeanBroader topic: Its chemistry informs debates about early crust, oceans, and surface conditions.Isua Greenstone BeltCompared with: These older mineral fragments offer evidence of crust predating Isua’s preserved rock sequences.Acasta GneissCompared with: Their isotope signatures offer a separate, indirect record for comparison with Acasta rocks.Early EarthBroader topic: These crystals preserve evidence that liquid water and differentiated crust existed surprisingly early.Nuvvuagittuq Greenstone BeltRelated: These grains preserve evidence of ancient crust even older than proposed Nuvvuagittuq ages.Superior CratonCompared with: They provide an older comparison for the Superior Craton’s preserved crustal record.History of EarthBroader topic: Their chemistry preserves clues about crust and liquid water in the early Earth.