Structure of the Western Continental Margin, New Zealand, and Challenger Plateau, Eastern Tasman Sea

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Abstract
Egmont Terrace west of Cook Strait has been built, principally during times of lowered sea level, as a prograding continental shelf onto the Challenger Plateau at the southern end of Lord Howe Rise. The plateau subsided below sea level during early Eocene time, an event accompanied by slow upbuilding of the plateau. Major outbuilding appeared only in early to middle Miocene time, following a rerouting of major surface currents from the area.