Geochemistry of Alkali-rich Igneous Rocks of Northern Xinjiang and Its Implications for Geodynamics

• 作 者: ZHAO Zhenhua BAI Zhenghua XION
• 机 构: GuangzhouInstituteofGeochemistry,?,graduatedfromtheDepartmentofModemChemistry
• 出 处: 地质学报：英文版
• 发表日期: 2000年2期
• 关键词: Alkali-rich IGNEOUS ROCKS GEOCHEMISTRY CRUSTAL growth XINJIANG Alkali-rich igneo

Five nearly E-W-trending alkali-rich igneous rock belts are distributed from north to south in northern Xinjiang, and they are composed mainly of riebeckite, K-feldspar granite and high-K and medium-K calc-alkaline volcanic rocks and shoshonite. They were