S3: A 251 Ma diorite clast from a Maitai Group conglomerate and a <i>c</i>. 259 Ma microdiorite sill intruding the Productus Creek Group, Southland, New Zealand: note MortimerN. TurnbullR.E. RobertsonA.H.F. CampbellH.J. 2019 U–Pb zircon laser ICP-MS data.