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辽西叶柏寿隆起区早前寒武纪地质 被引量:2

Early Precambrian geology of the Yebaishou uplift in western Liaoning province
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摘要 通过1∶5万地质填图工作,将叶柏寿隆起区的早前寒武纪建平群变质岩系进行了解体。新的研究成果表明区内基底岩系主要由晚太古代TTG和CA质侵入杂岩及少量表壳岩,早元古代变质火山—沉积岩组成。最老的表壳岩呈捕掳体状分布在TTG、CA质侵入杂岩中,CA质杂岩(辘轳井二长片麻岩)侵入TTG质杂岩(叶柏寿片麻杂岩)中。 The Early Cambrian Jianping Group established in the Yebaishou uplift by the lithostratigraphic method in western Liaoning was disintegrated by present geological mapping (1∶ 50 000 ) which adopted the tectono petrological event method. The research work gives the following conclusions: (1)The basement of the Yebaishou uplift consists of Late Archean trondjemite tonalite granodiorite (TTG) calc alkaline (CA) intrusive complex and granopegmatite with a small amount of supracrustal rocks and Early Proterozoic metamorphosed volcanic sedimentary rocks. (2)The oldest rocks are supracrustal rocks, which occur as xenoliths in earlier sodium rich rocks (TTG rock series) and later potassium rich rocks (CA rockseries). The CA complex (the Lulujing monzonitic gneissic complex) is intruded into the TTG complex (Yebaishou gneissic complex). (3)The Early Proterozoic volcanic sedimentary rocks overlie unconformably the Late Archean rock complex.
出处 《中国区域地质》 CSCD 1999年第2期190-200,共11页 Regional Geology of China
关键词 叶柏寿隆起 前寒武纪 表壳岩 侵入杂岩 变质岩 Yebaishou uplift Precambrian supracrustal rock TTG CA intrusive complex
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参考文献9

  • 1邱家骧.岩浆岩石学[M].北京:地质出版社,1985..
  • 2王子华.辽西(北部)太古代建平群变质火山-沉积岩系特征[J].辽宁地质,1982,(1):36-50.
  • 3贺同兴 林强 等.冀东太古宙花岗岩成因[M].吉林:吉林科学技术出版社,1991..
  • 4沈保丰,华北陆台太古宙绿岩带地质及成矿,1994年
  • 5房立民,变质岩区1∶5万区域地质填图方法指南,1991年
  • 6贺同兴,冀东太古宙花岗岩成因,1991年
  • 7辽宁省地质矿产局,辽宁省区域地质志,1989年
  • 8邱家骧,岩浆岩石学,1985年
  • 9王子华,辽宁地质,1982年,1期,36页

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