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CHARACTERISTICS OF THE XIALAN INTRUSION OF BASIC-INTERMEDIATE COMPOSITION IN XINGNING
Author(s): 
Pages: 38-43
Year: Issue:  1
Journal: GUANGDONG GEOLOGY

Keyword:  基性-中性岩层状侵入体同位素年龄钒钛磁铁矿床霞岚岩体兴宁市;
Abstract: 霞岚岩体是霞岚钒钛磁铁矿的成矿母岩,它是由3次侵入的岩石形成的基性-中性岩体,属于层状侵入杂岩体.由早到晚岩性依次为辉石石英闪长岩、基性-超基性岩、石英二长闪长岩,其中第二次是侵入主体,原生矿床均产于其中.获得的全岩Rb-Sr和Sm-Nd同位素年龄分别为(171±14)×106a、(178±4)×106a,时代为早侏罗世.
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