Highlights----INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES

Carbon isotopic evidence for the associations of decreasing atmospheric CO2 level with the Frasnian-Famennian mas...[06 07, 2012]

Vice Professor XU Bing and his team carry out high-resolution analyses of coupled inorganic and organic carbon isotope on two late Devonian carbonate sequences in south China. The primary aims of this study are to characterize the changes of atmos...

Occurrence of an Alaskan-type complex in the Middle Tianshan Massif, Central Asian Orogenic Belt: inferences from...[06 07, 2012]

Postdoctor SU Benxun and his teacher QIN Kezhang present a detailed description of the petrological and mineralogical features of the Xiadong mafic-ultramafic complex in the Middle Tianshan Massif, Central Asian Orogenic Belt.
　　Primary and seco...

New constraints on climate forcing and variability in the circum-Mediterranean region frommagnetic and geochemica...[05 29, 2012]

Professor LIU Qingsong and his team present magnetic, geochemical, and diffuse reﬂectance spectroscopy data from three sapropels that are representative of glacial (S6) and interglacial (S1, S5) conditions in the eastern Mediterranean Sea to asse...

Petrology and geochemistry of chert on the marginal zone of Yangtze Platform[05 25, 2012]

Postdoctor WANG Jianguo and his teacher CHEN Daizhao focus on the chert successions across the marginal zone of the Middle Yangtze Platform near Dayong in western Hunan, South China.
　　All these data suggest that the marginal zone chert deposits...

Petrology and geochemistry of chert on the marginal zone of Yangtze Platform[05 21, 2012]

Postdoctor WANG Jianguo and his teacher CHEN Daizhao focus on the chert successions across the marginal zone of the Middle Yangtze Platform near Dayong in western Hunan, South China.
　　All these data suggest that the marginal zone chert deposits...

The genesis of mantle-derived sapphirine[05 18, 2012]

Postdoctor SU Benxun and his teacher report the occurrence and characteristics of sapphirine in a mantle-derived xenolith from the Cenozoic basalts of Hannuoba in the North China Craton.
　　The rare occurrence of sapphirine in a mantle-derived xe...

Fast multifrequency focal beam analysis for 3D seismic acquisition geometry[05 17, 2012]

Postdoctor WEI Wei and his teacher FU Liyun develop a method for the efficient computation of multifrequency focal beams for 3D seismic acquisition geometry analysis.
　　They propose a rapid 3D multifrequency focal beam method in which only a few...

Extremely high Li and low δ7Li signatures in the lithospheric mantle[05 16, 2012]

Postdoctor SU Benxun and his teacher ZHANG Hongfu present the ﬁrst Li isotopic data on variably metasomatized peridotite xenoliths from the Qinling Orogenic Belt, which is a tectonic suture between North China and Yangtze Cratons following the su...