• 责任者：Li Shanping (Laboratory of Geological Processes and Mineral of Northern Qinghai-Tibetan Plateau of Qinghai Province ; Qinghai Institute of Geological Survey ; Xining 810012 ; China) ; Li Yongxiang
• 刊名：Northwestern Geology
• 出版年：2012
• 卷期：45(1)
• 关键词：火山岩 ; volcanic rocks ; 青海 ; Qinghai Province
• 页码：p.124-133
• 图表：7 illus., 3 tables, 24 refs.
• 分类号：0801
• issnNo：ISSN1009-6248
• isbnNo：CN61-1149/P

Elashan magmatic belt has complex internal structure and is an important junction in West China and ore concentration area in Qinghai Province. Marine volcanic widely outcrops in Elashan area and the rock types are ainly amygdaloidal basaltic andesite, amygdaloidal andesite, andesitic volcanic breccia, andesitic crystal-vitric tuff debris, andesitic breccia tuff lava, dacite and rhyolite.Marine volcanic rocks occurs by the volcanic strata, or laminated and lenticular shapes in the Suolaqu sandstone, Xingfucun fine-turbidite and Hekashan coarse-turbidite of the Hongshuichuan Formation, which is the product of a marine environment eruption.