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August 21, 2025

Supplemental Material: Rethinking the “Grenville Flood” of Laurentian detrital zircon: Proximal sources, not continental rivers

Christopher J. Spencer Mark E. Holland

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Key Points

The analysis suggests that the 'Grenville Flood' originates more from regional sources than previously thought.
Key evidence reveals that detrital zircon sourcing shifts focus to the surrounding landscapes responsible for sediment transport.
This approach leverages geological data to reassess zircon origins during the Grenville period, indicating a change in understanding.
Consequently, insights into sediment dynamics may reshape models of ancient river systems and geological events.

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Implication

This analysis highlights proximal sources of detrital zircon rather than reliance on continental river systems.

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Cite This Study

Spencer et al. (2025) studied this question.

synapsesocial.com/papers/68af50acad7bf08b1ead9206 https://doi.org/10.1130/geol.s.29963288.v1

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1Supplemental Material: Rethinking the “Grenville Flood” of Laurentian detrital zircon: Proximal sources, not continental rivers2025
2Rethinking the “Grenville Flood” of Laurentian detrital zircon: Proximal sources, not continental rivers2025 · 1 citations
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