Sr, Nd, Pb Isotopic Characteristics of Granite in Jinduicheng Area and Their Geological Significance
详细信息
- 责任者：Li Hongying (MLR Key Laboratory of Metallogeny and Mineral Assessment ; Institute of Mineral Resources ; Chinese Academy of Geological Sciences ; Beijing 100037 ; China) ; Mao Jingwen
- 刊名：Geology in China
- 出版年：2011
- 卷期：38(6)
- 关键词：花岗岩 ; granite ; 钼矿 ; molybdenum ores ; 锶同位素 ; strontium isotopes ; 钕同位素 ; neodymium isotopes ; 铅同位素 ; lead isotopes ; 陕西 ; Shaanxi Province
- 页码：p.1536-1550
- 图表：9 illus., 3 tables, 43 refs.
- 分类号：1001
- issnNo：ISSN1000-3657
- isbnNo：CN11-1167/P
摘要
A study of petrology and element geochemistry shows that Jinduicheng granite porphyry and Balipo granite porphyry are I–type granites in the Jinduicheng ore concentration area. Nd and Pb plots show that the Jinduicheng rocks originated from the lower crust, but were contaminated by mantle-derived materials, and the source rock of Balipo is the lower crust, which has considerable ore-forming potential. The values of Sr, Nd and Pb isotopes are similar to the data of the North China Plate, suggesting that these intrusives constitute a component part of the North China Plate.