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Volcanic‐plutonic associations within the Bindook Volcanic Complex Goodmans Ford‐Bullio area, New South Wales

 

作者: C. Simpson,  

 

期刊: Australian Journal of Earth Sciences  (Taylor Available online 1986)
卷期: Volume 33, issue 4  

页码: 475-489

 

ISSN:0812-0099

 

年代: 1986

 

DOI:10.1080/08120098608729385

 

出版商: Taylor & Francis Group

 

关键词: Devonian;Bindook Volcanics;Marulan Batholith;comagmatic suites;pluton emplacement

 

数据来源: Taylor

 

摘要:

In the Goodmans Ford‐Bullio area NSW an adamellite granodiorite pluton and several small previously undocumented tonalite plutons hosting orbicular xenoliths, are intruded into dacitic ash flows and rhyodaeitic lavas of the northern part of the Early Devonian Bindook Volcanic Complex. These plutons are shown to be satellite plutons of the Early Devonian Marulan Batholith and have been passively emplaced along fractures or faults in the host volcanics by collapse of the roof volcanics, possibly following magma withdrawal during eruption. Reconnaissance fieldwork indicates substantial volumes of intrusive rocks to the north and west of the Goodmans Ford‐Bullio area. A comagmatic relationship between the Bindook Volcanic Complex and the Marulan Batholith, suggested by their close spatial and temporal association, is supported by petrological and chemical data.

 

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