Chemical Composition of the Primitive Mantle Source of Peridotite Inclusions at Mount Lianshan, Liuhe County,Jiangsu Province |
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Authors: | SUN Weidong PENG Zicheng CHEN Daogong ZHI Xiachen WANG Zhaorong GE Ningjie |
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Affiliation: | SUN Weidong,PENG Zicheng,CHEN Daogong,ZHI Xiachen,WANG Zhaorong and GE NingjieDepartment of Earth & Space Sciences,University of Science & Technology of Chin,and Advanced Centre for Earth Sciences & Astronomy,The Third World Academyof Sciences,Hefei,Anhui Province Zhu Xiling |
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Abstract: | This paper presents a study of the major and trace element compositions of fresh mantle-derived spinel lherzolite and harzburgite inclusions from Cenozoic alkaline basalt in Mount Lianshan and Mount Panshi, Liuhe County, Jiangsu Province. An estimation is made of the contents of the major elements and some of the trace elements in the primitive mantle source region of the area, from which the authors have obtained MgO/Al2O3= 7.86. The contents of MgO and Al2O3 are also obtained as 37.58% and 4.78% respectively based on the correlation of MgO-Al2O3. Then, the contents of various elements in the primitive mantle are calculated using their regression equations with MgO, and the compositor) of the primitive mantle, a basic issue in geochemistry study, is discussed on that basis. |
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Keywords: | Mount Lianshan peridotite inclusions mantle source composition of the primitive mantle |
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