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地质通报  2006 

柴达木地块南缘昆北单元变质新元古代花岗岩锆石SHRIMPU-Pb年龄

, PP. 1311-1314

Keywords: 变质花岗岩锆石SHRIMPU―Pb定年Rodinia超大陆汇聚柴达木地块南缘

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Abstract:

侵入于香日德南昆北单元金水口岩群白沙河岩组中的变质花岗岩的锆石SFIRIMPu―Pb年龄约为904Ma。该年龄与东昆仑地区已有的定年数据一道,表明柴达木地块南缘存在一条中―新元古代的花岗岩深成侵入岩带,整个柴达木地块可能曾响应了全球Rodinia超大陆汇聚事件。

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