Petrology and Geochemistry of Dikes in the North of Saveh in Iran

作     者：Mohammad-Hassan Bazoobandi Mohammad-Ali Arian Mohammad-Hashem Emami Gholamreza Tajbakhsh Abdollah Yazdi Mohammad-Hassan Bazoobandi;Mohammad-Ali Arian;Mohammad-Hashem Emami;Gholamreza Tajbakhsh;Abdollah Yazdi

作者机构：Department of Geology Faculty of Science North Tehran Branch Islamic Azad University Tehran Iran Department of Geology Faculty of Science Islamshahr Branch Islamic Azad University Tehran Iran Department of Geology Faculty of Science Yazd University Yazd Iran Department of Geology Faculty of Science Kahnooj Branch Islamic Azad University Kerman Iran 

出 版 物：《Open Journal of Marine Science》 (海洋科学期刊（英文）)

年 卷 期：2016年第6卷第2期

页      面：210-222页

学科分类：0709[理学-地质学] 070901[理学-矿物学、岩石学、矿床学] 07[理学] 

主　　题：Swarm Dikes Alkaline and Calc-Alkaline Saveh Iran 

摘      要：Dikes in the north of Saveh are located in a region with an area of approximately 200 square kilometers, in a distance of approximately 100 kilometers south of Tehran. Dikes mentioned in terms of petrological composition, are divided into two categories: alkaline and intermediate to acidic. Alkaline dikes include: andesitic basalt and andesite and intermediate to acidic dikes include: trachyte and trachyandesite. In terms of geochemical, dikes in the north of Saveh have a dual nature of alkaline and calc-alkaline. Both groups are derived from more enrichment source than primitive mantle. Despite similarity of pattern of both groups, varieties of alkaline having less silica, in the elements Sr, Ti, Nb and Ta show more enrichment and in the elements Hf, Rb, Th, K show less enrichment than varieties of calc-alkaline.