What is the evidence?

observation

Recent analytical work places the working transition from Irish Middle to Late Bronze Age metallurgy around 1140 BCE while finding substantial continuity in alloy practice.

observed evidence

Recent analytical work places the working transition from Irish Middle to Late Bronze Age metallurgy around 1140 BCE while finding substantial continuity in alloy practice.

The phase boundary is useful for analysis but does not imply island-wide population replacement, abrupt technological rupture or a direct response to events in the eastern Mediterranean.

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Review and provenance

Specialist reviewer: not recorded. Review date: not recorded.

Dataset workflow: proposed. This is separate from specialist review.

Confidence describes the stated assessment; it does not certify expert approval. How review works.

Chronology

Dating intervals may describe uncertainty or phases; their width alone does not establish event duration.

Preferred assertion

1160 BCE–1120 BCE

Precision: analytical periodization window

Chronology model: regionally resolved positive bce

high

Positive BCE integers are used; the larger value is earlier. The range preserves archaeological and calibration uncertainty. The phase boundary is useful for analysis but does not imply island-wide population replacement, abrupt technological rupture or a direct response to events in the eastern Mediterranean.

Interpretation and caveats

The phase boundary is useful for analysis but does not imply island-wide population replacement, abrupt technological rupture or a direct response to events in the eastern Mediterranean.

Event context

Classification

Event type: metallurgical period transition

Evidence layer: archaeological

Timeline role: regional core

Why it matters to the timeline

This regional-core event provides an Ireland-specific transition chronology and directly answers the brief's warning against imported collapse models.

Research notes

  • Chemical analysis of 105 Irish Middle and Late Bronze Age artefacts finds broad continuity in Cu-Sn alloying with occasional elevated lead. Role: provides evidence and date. Locator: Abstract; pp. 1–36; dataset discussion.

Evidence and sources

Where to go next

Referenced records