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North-eastward subduction followed by slab detachment to explain ophiolite obduction and Early Miocene volcanism in Northland, New Zealand

Schellart, Wouter


Oligocene-Miocene models for northern New Zealand, involving south-westward subduction to explain Early Miocene Northland volcanism, do not fit within the regional Southwest Pacific tectonic framework. A new model is proposed, which comprises a north-east-dipping South Loyalty basin slab that retreated south-westward in the Eocene-earliest Miocene and was continuous with the north-east-dipping subduction zone of New Caledonia. In the latest Oligocene, the trench reached the Northland passive...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Terra Nova
DOI: 10.1111/j.1365-3121.2007.00736.x


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