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August 26, 2025Scottish Journal of GeologyOpen Access

Early basin development of the Dalradian Supergroup

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Authors

ERElias J. RugenDWDavid WebsterGSGraham Shields

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Overview

Analysis of detrital zircon and sedimentary data reveals sedimentation patterns in the Dalradian Supergroup, suggesting a shared tectonic regime.

Key Points

  • The study shows a threefold subdivision in the Colonsay Group, indicating distinct sedimentary environments and geochemical characteristics.
  • Detrital zircon age spectra reveal shifts from Palaeoproterozoic sources to Grenville-aged input in the sedimentary processes throughout the basin.
  • Lithostratigraphic and sedimentological analyses support the deposition of the Dalradian Supergroup within a foreland basin context.
  • The findings suggest that early sedimentation was influenced by tectonic activities during the mid-Tonian Knoydartian Orogeny.

Cite This Study

Rugen et al. (2025) studied this question.

synapsesocial.com/papers/68af63ddad7bf08b1eae413ehttps://doi.org/10.1144/sjg2025-006
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