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The 30th International Geological Congress was held in Beijing, China in August 1997. Leading scientists convened to present their findings and views to the international geological research community. Volume 15 of 26 focuses on igneous petrology. All articles in the proceedings have been refereed and keynote papers have been included in Volume 1. These proceedings aim to present a view of contemporary geology and should be of interest to researchers in the geological sciences.
Cenozoic volcanism and lithosphere tectonic evolution in the Northern Tibetan Plateau, China, Deng Wanming; experimental research on phase transition of Al-rich minerals in upper mantle of Eastern China and its significance, Fan Qichen et al; twin magma source model of bimodal volcanics in two contingent-margin rifts, SE China - constraints on elemental and Nd-, Sr- and Pb-isotopic studies, Fang Zhong et al; PGE and Au abundances in MORB glasses from depleted mantle melting and in alkali basalts from metasomatized mantle melting, G. Hartmann; the role of sulphide-carbonate-silicate and carbonate-silicate liquid immiscibility in the genesis of Ca-carbonatites, L.N. Kogarko; China's igneous rock associations and their temporal-spatial distribution and relations to the structure and composition of the crust and mantle - explanatory notes on the geological map of igneous rocks of China (1:5000000), Li Zhaonai and Wang Bixiang; carbonisotopic composition and genesis of diamond, Liu Guanliang et al; vertical chemical variation of the Mesozoic synuplift rocks in Dabieshan Orogen, Central China, Ma Changqian et al; extreme mantle source heterogeneities beneath the Northern East Pacific Rise - trace element evidence from near-ridge seamounts, Yaoling Liu and R. Batiza; processes in a composite, recharging magma chamber - evidence from magmatic structures in the Aztec Wash pluton, Nevada, D.W. Patrick and C.F. Miller; fractional crystallization, magma mixing and crustal assimilation in the evolution of plateau and rift magmatism in Ethiopia, A. Peccerillo et al; Late Cenozoic reactivation of the Early Precambrian Aldan shield - trace element constraints on magmatic sources beneath the Udokan Ridge, Siberia, Russia, S. Rasskazov et al; geochemistry of the 2.4-2.3 Ga Kuandian Complex, Sino-Korean Craton - a Paleoproterozoic continental rift?, Min Sun et al; geochemical study of ecologic mineral inclusions from Chinese diamonds, Wuyi Wang et al; genesis of two magnetic evolution trends of the Shuiquangou weakly alkaline complex, Northern Hebei province, North China, Zhang Zhaochong and Li Zhaonai.
