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This research explores the 40Ar/39Ar ages of polyhalite and langbeinite to understand basin evolution in the Permian Werra–Fulda salt deposit.

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June 3, 2026Open Access

40Ar/39Ar ages of polyhalite and langbeinite record multi-stage basin evolution in the Permian Werra–Fulda salt deposit (Germany)

Key Points

This research explores the 40Ar/39Ar ages of polyhalite and langbeinite to understand basin evolution in the Permian Werra–Fulda salt deposit.
Analyzed 40Ar/39Ar ages of polyhalite and langbeinite samples.
Investigated crystallization processes during diagenesis and tectonism.
Examined recrystallization along faults linked to magmatic activity.
Langbeinite formed during early diagenesis and was influenced by fluid movement.
Crystallization events occurred due to Jurassic to Cretaceous tectonism.
Fluid-driven recrystallization happened during Miocene magmatic activity.

Abstract

• 40 Ar/ 39 Ar ages of polyhalite and langbeinite record multi-stage basin evolution. • Langbeinite crystallization during early diagenesis. • Langbeinite fluid-driven crystallization during Jurassic to Cretaceous tectonism. • Langbeinite and polyhalite recrystallization and growth along normal faults caused by fluids circulation generated by Miocene magmatic activity. • Langbeinite and polyhalite act as robust 40Ar/39Ar dating tools in salt basins.

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Glasmacher et al. (Mon,) studied this question.

synapsesocial.com/papers/6a1fc616dee9eb8c0dce75bf https://doi.org/https://doi.org/10.1016/j.tecto.2026.231272

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