An Early Miocene granite clast in a tuffisite dike at Miners Head, Great Barrier Island

A c. 30 cm thick hydrothermal dike (tuffisite) cuts Early Cretaceous Waipapa Composite Terrane basement on Great Barrier Island. The dike was previously, and erroneously, described as a conglomerate band in the Waipapa Composite Terrane. Zircon from a granite clast in the dike gives a U-Pb age of 17...

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Veröffentlicht in:	New Zealand journal of geology and geophysics 2017-07, Vol.60 (3), p.314-318
Hauptverfasser:	Adams, C. J., Mortimer, N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Barrier islands Conglomerates Coromandel Cretaceous Geochronology Geochronometry Granite Great Barrier Island Miners Mining Miocene Radiometric dating tuffisite U-Pb zircon dating Zircon
Online-Zugang:	Volltext
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