李昌年

• 1:中国地质大学 武汉

摘要(Abstract)：

本文概述了构造岩浆判别的地球化学原理和制图的基本原则,综述了近年来这一研究领域的新进展,强调在判别时应紧密结合地质实际,并注重数据的精度、有效判别元素的选择和构造环境的双重性,这种方法适用于元古代火山岩的判别,认为利用多重元素的丰度比值蛛网图和岩石特征类型的专家系统来进行构造岩浆判别是行之有效的。

关键词(KeyWords)： 构造岩浆判别;地球化学;专家系统

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李昌年

Email:

参考文献(References)：

• [1] 李昌年:《火成岩微量元素岩石学》,中国地质大学出版社,武汉,1992年
• [2] Cabanis B. et al. : Post collisional volcanism in northwestern Corsia: an assessment based on mineralogy and trace—element geocheistry, J. Volcanol. Geother. Res . ,1990,Vol. 44, pp. 51~67
• [3] Condie K.C. : Geochemical changes in basalts and andesites across the Archaean—Proterozoic boundary:identilication and significance,Lithos,1989,Vol. 23,pp. 1~18
• [4] Ducan A.R. : The Karoo igneous province—a problem area for inferring tectonic setting from basalt geochemistry,J. Volcanol. Geother. Res. ,1987,Vol. 32,pp. 13~34
• [5] Holm P.E. : Non—recognition of continental tholeiits using the Ti—Y—Zr diagram,Contrib. Mineral. Petrol. , 1982, Vol. 79 ,pp. 308~310
• [6] Marsh J.S. : Basalt geochemistry and tectonic discrimination within continental flood basalt provinces, J. Volcanol. Geother. Res. , 1987, Vol. 32, pp. 35~49.
• [7] Prarce J.A. : An expert system for the tectonic characterization of ancient volcanic rocks,J. Volcanol. Geother. Res. , 1987 ,Vol. 32 ,pp. 51~65
• [8] Pearce J.A. : Role of the soh—continental lithosphere in magma genesis at active continental margins, Continental Basalts and Mantle Xenolith, ed. by Hawkesworth,C. J. ,Shiva Publishing Ltd. ,1983,pp. 230~249
• [9] Wood D. A. et al. : A re—appraisal of the use of trace element to classify and discriminate between magmas—series erupted in different tectonic setting ,Earth Planet Sci. Letl. , 1979 ,Vol. 45 ,pp. 326~336