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扎日加变质核杂岩的确定及地质意义

LI Jian-fang,CHEN Li-juan,REN Er-feng,CHANG You-ying, WANG Guo-liao,MA Yan-jing,HUANG Qing-hua

Northwestern Geology（2012）

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Abstract
产于北巴颜喀拉山扎日加地区的变质核杂岩具有典型的二层结构.由构造片岩、构造片麻岩、千枚岩等组成穹状背斜核,其中心为燕山期二长花岗岩体,盖层为巴颜喀拉山群浅变质砂板岩.核部与盖层之间为剥离断层.它的厘定表明巴颜喀拉沉积盆地下面存在中元古界的古老基底,并对大场金矿的成因类型提出了新的认识.
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Key words
metamorphic core complex,zarijia area,geological significance
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