Peridotite Xenoliths in Jining Cenozoic Basalts: Mineral-Chemistry and Significance for Lithospheric Mantle Evolution Beneath the North China Craton

• 责任者：Zhou Yuanting (State Key Laboratory of Geological Processes and Mineral Resources ; China University of Geosciences ; Wuhan 430074 ; China) ; Zheng Jianping
• 刊名：Acta Petrologica et Mineralogica
• 出版年：2010
• 卷期：29(3)
• 关键词：橄榄岩 ; peridotites ; 流体包裹体 ; fluid inclusions ; 内蒙古 ; Inner Mongolia
• 页码：p.243-257
• 图表：13 illus., 6 tables, 54 refs.
• 分类号：0700
• issnNo：ISSN1000-6524
• isbnNo：CN11-1966/P

Based on detailed studies of petrographic characteristics and major elements of minerals, the authors analyzed trace elements of Cpx in the peridotitic xenoliths from Jining area, Inner Mongolia.  The relationship between the Ol-Mg and the equilibrium temperature of the peridotites suggests the coexistence of fertile mantle and refractory-transitional mantle beneath the study area in Cenozoic period. Such phenomena might be attributed to the reformation of the cratonic SCLM by the upwelling asthenospheric materials and the eventual replacement resulting from the cooling of the upwelled asthenosphere under heterogeneous conditions.