Morgans, Hugh E.G.; Edwards, A.R.; Scott, G.H.; Graham, I.J.; Kamp, Peter J.J.; Mumme, T.C.; Wilson, G.J.; Wilson, Gary S.
(1999)
The base of the type section of the Otaian Stage at Bluecliffs, South Canterbury, is recognised as the stratotype for the boundary between the Waitakian and Otaian Stages. Principal problems with the boundary are the ...