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A TYPICAL RING-SHAPED ZONING BASIC-ULTRABASIC COMPLEX

A TYPICAL RING-SHAPED ZONING BASIC-ULTRABASIC COMPLEX
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摘要 I.GEOLOGICAL SETTING OF THE BASIC-ULTRABASIC COMPLEX The Yanbian basic-ultrabasic complex is situated on the west edge of the middle section of the Chuan Dian (Sichuan Yunnan) SN-trending tectonic zone, intruding the unconformable contact zone between the Archeozoic Kangding complex and the Presinian Yanbian group. The country rocks of the complex are magmatic and regional metamorphic rocks. The complex is stretched NW, irregularly ellipsoidal in shape, 9 km in length (SN)
出处 《Chinese Science Bulletin》 SCIE EI CAS 1989年第20期1722-1727,共6页
关键词 SICHUAN Province basic-ultrabasic complex ring-shaped ZONING MINERALOGICAL chemistry PETROCHEMISTRY Sichuan Province basic-ultrabasic complex ring-shaped zoning mineralogical chemistry petrochemistry
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