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岩石学报 2008
Geochronology and tectonic implication of migmatites from Diancangshan, Western Ynnnan, China
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Abstract:
The Diancangshan complex,located at the northwestern extension along the Red River- Ailaoshan fault zone is constituted by three units with contrasting characteristics,a high grade metamorphic complex in the middle,Mesozoic low grade metamorphic volcanic-sedimentary sequence to the west,and a superimposed retrograde metamorphic belt to the east.The high grade metamorphic complex contains various gneisses,quartzo-feldspathic rocks,mica schists,marbles and hornblendltie rocks.Their primary rocks were transfor...