Clarence Series

Major division of Cretaceous rocks and time in New Zealand (the Cretaceous Period lasted from 144 to 66.4 million years ago). Rocks of the Clarence Series overlie those of the Taitai Series and underlie rocks of the Raukumara Series. Clarence rocks (sandstones, conglomerates, graywackes, mudstones, and basaltic lava flows) have been divided into four stages representing