Article ID Journal Published Year Pages File Type
8911533 Lithos 2018 33 Pages PDF
Abstract
Because Grenville magmas had such high Zr contents they produced intermediate-felsic plutons with a much higher zircon content compared to typical granitoids. This resulted in a disproportionate amount of ~ 1 Ga detrital zircon in the sedimentary record. This superabundance of detrital grains can cause biases in provenance studies and crustal growth models that use the magnitude of detrital zircon age modes as a proxy for source contribution or amount of new crustal material generated.
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Physical Sciences and Engineering Earth and Planetary Sciences Geochemistry and Petrology
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