摘要
<正>辽东半岛位于华北板块东部,根据岩石建造又可划分为北部的太古宙鞍山-抚顺杂岩(辽北-吉南地块)与南部金州太古宙杂岩(辽南地块)以及中部的辽吉花岗岩带和辽河群变质沉积岩。辽东花岗岩带又分为三套岩石组合:以虎皮峪为代表的片麻状角闪正长花岗岩,侵位于2.16 Ga左右;卧龙泉岩体为代表的似斑状花岗岩锆石U-Pb年龄为1853±13
引文
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