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美[æmfɪ\'bɒlɪk]
The NWW - extending Cretaceous amphibolic diabase dikes are developed in Xiazhuang uranium ore field , Northern Guangdong province.
下庄铀矿田北西西向分布的白垩纪角闪辉绿岩构成区内基性脉岩的主体.
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