Data Table. U–Pb zircon age constraints for the Ordovician Fishguard Volcanic Group and further evidence for the provenance of the Stonehenge bluestones Richard Bevins Nicola Atkinson Rob Ixer Jane Evans 10.6084/m9.figshare.4040277.v1 https://geolsoc.figshare.com/articles/journal_contribution/Data_Table_U_Pb_zircon_age_constraints_for_the_Ordovician_Fishguard_Volcanic_Group_and_further_evidence_for_the_provenance_of_the_Stonehenge_bluestones/4040277 Data Table 2016-10-19 09:54:57 Stonehenge constraint Ordovician Fishguard Volcanic Group provenance data Table zircon evidence bluestone Data Geology