Petrogenesis of the Mesozoic Sistefjell syenite intrusion, Dronning Maud Land, Antarctica and surrounding low-δ 18 O lavas

The Sistefjell intrusion is approximately 10km in diameter and is the largest Mesozoic pluton in western Dronning Maud Land. The main intrusive phase is a syenite consisting of >78 modal % alkali feldspar, quartz, sodic-calcic amphibole, aegirine-augite

Bibliographic Details
Main Authors: Harris, Chris, Johnstone, Warren P, Phillips, David
Format: Article in Journal/Newspaper
Language:unknown
Published: Geological Society of South Africa 2015
Subjects:
Online Access:http://hdl.handle.net/1885/92325
Description
Summary:The Sistefjell intrusion is approximately 10km in diameter and is the largest Mesozoic pluton in western Dronning Maud Land. The main intrusive phase is a syenite consisting of >78 modal % alkali feldspar, quartz, sodic-calcic amphibole, aegirine-augite