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Zircon Record of Supercontinent Amalgamation in Back-arc Volcanic Rocks
Episodic supercontinental amalgamation has profoundly influenced the evolution of the geosphere, hydrosphere, atmosphere and biosphere. However, the timing of supercontinent formation has mainly been constrained by the global age spectra of detrital zircon. Here, we show that the zircons in back-arc volcanic rocks not only reflect the evolution of local magmatism but also contain a record of global continental amalgamation events. We found that the young (<100 ka) zircons in volcanic rocks fromdoi:10.21203/rs.3.rs-109172/v1 fatcat:o3244kcenfdsrjpn5jj6g7jvde