date assertion · date_evt_bi_mount_gabriel_closing_phase_preferred
Date assertion for evt_bi_mount_gabriel_closing_phase
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.
Evidence and sources
- supports · dates
Prehistoric Copper Mining in South-West Ireland: The Mount Gabriel-Type Mines — William F. O'Brien (1990)Synthesises survey and excavation of Mount Gabriel-type mines, including an 11 m working and preserved wooden tools.
Locator: Abstract; pp. 269–290; chronology and mine 3/4 sections