Palaeocene-Eocene Magnetostratigraphy Recalibration Study

A research project proposes to recalibrate the Palaeocene-Eocene boundary using Ar-Ar and U-Pb dating methods. The study, led by the British Geological Survey, aims to resolve discrepancies between magmatic event ages and accepted magnetostratigraphy time ranges. It involves dating sanidine from ash layers in northern Jutland and zircon/sphene from Danish and Hebridean ashes.

Use Cases

• Analyze discrepancies between Ar-Ar and U-Pb dating results for magmatic events to validate proposed magnetostratigraphy time range adjustments.
• Correlate sanidine Ar-Ar dates from Jutland ash layers with zircon U-Pb ages from Danish ashes to refine the Palaeocene-Eocene boundary age.
• Compare dating results from the British Tertiary igneous province (Mull) with data from northern Jutland to assess regional chronostratigraphic consistency.

Strengths

• Project is conducted by the authoritative British Geological Survey (BGS).
• Focuses on high-precision Ar-Ar and U-Pb dating methods for chronological resolution.
• Targets a specific, unresolved scientific discrepancy in Palaeocene-Eocene magnetostratigraphy.

Limitations

• Input describes a project proposal, not an available dataset; no rows, columns, or sample data are provided.
• Data availability, format, and structure are entirely unknown from the provided information.
• The temporal and geographic scope of the eventual data is not specified.

Provenance

Source

British Geological Survey (BGS)

Collection Method

Proposed high-precision Ar-Ar dating of sanidine and U-Pb dating of zircon and sphene.

Time Range

Palaeocene-Eocene boundary period

Freshness

null

Geography

British Tertiary igneous province (Mull), northern Jutland (Denmark), Hebrides