Linked from
The 14 pages that link to Komatiite, each with the reason it gives.
ArcheanBroader topic: Its abundance reflects hotter mantle conditions inferred for much of the eon.
CratonRelated: Komatiites in ancient cratons provide evidence about hotter early-Earth mantle.
Greenstone beltBroader topic: Komatiite is a distinctive volcanic rock found in some Archean belts.
Archean tectonicsBroader topic: Komatiites record the hot Archean mantle directly.