The Origin of New Zealand Ultramafic Intrusions
- 1 January 1965
- journal article
- Published by Oxford University Press (OUP) in Journal of Petrology
- Vol. 6 (2) , 322-364
- https://doi.org/10.1093/petrology/6.2.322
Abstract
Dun Mountain, Red Hills, and Red Mountain, are three of the largest ultramafic bodies associated with Permian rocks in the South Island of New Zealand. In the three intrusions a central core of relatively unserpentinized dunite, harzburgite, and pyroxene peridotite, is surrounded by a margin of serpentinite. At the western margin of the Red Hills intrusion, the Permian volcanics show high-grade thermal metamorphism with development of pyroxene hornfels at the contact.Keywords
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