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云南腾冲北部华力西期印支期花岗岩
引用本文:赵成峰.云南腾冲北部华力西期印支期花岗岩[J].地质通报,1999,18(3).
作者姓名:赵成峰
作者单位:云南地勘局第四地质大队,云南,保山,678000
基金项目:地质矿产部区域地质调查项目
摘    要:阐述了云南腾冲北部华力西期花岗斑岩(磨石岭单元)和印支期花岗岩(和尚塘单元)的地质特征、岩石特征、地球化学特征和同位素特征。资料和数据表明,前者为板内花岗岩,后者属同碰撞花岗岩,两者的产出时代恰好与滇西古特提斯洋闭合、中特提斯洋张开的演化过程相吻合。

关 键 词:云南腾冲  华力西期  印支期  花岗岩

Variscan and Indosinian granites in northern Tengchong, Yunnan
ZHAO Cheng-feng.Variscan and Indosinian granites in northern Tengchong, Yunnan[J].Geologcal Bulletin OF China,1999,18(3).
Authors:ZHAO Cheng-feng
Abstract:This paper deals with the geological, petrological, geochemical and isotope geochemical characteristics of Variscan granite porphyry (Moshiling unit) and Indosinian granite (Heshangtang unit). Material and data indicate that the former is intraplate granite, while the latter syncollision granite. The ages of the two types of granite just coincide with the closing fo the Paleo Tethys of western Yunnan and opening of the Mid Tethys.
Keywords:Tengchong  Yunnan  Variscan  Indosinian  granite
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