Collaborative Study of Pliocene Andean Volcanism in the Vicinity of Santiago, Chile

智利圣地亚哥附近上新世安第斯火山活动的合作研究

• 批准号: 8912820
• 负责人: Charles Stern
• 金额: $ 1.19万
• 依托单位: University of Colorado at Boulder
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-03-15 至 1992-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8912820&HistoricalAwards=false
• 关键词: Collaborative; Study; Pliocene; Andean; Volcanism

This award supports cooperative research in the geochemistry of early volcanic rock to be conducted by Charles Stern of the University of Colorado at Boulder and Michael Dobbs of the University of Santiago, Chile. The work will involve field mapping and chemical analysis of Pliocene and early Quaternary Andean volcanic rocks near Santiago. These rocks were formed at the boundary between two distinct segments of the Andes across which important north to south differences occur in the angle of Pacific plate subduction, in spatial and petrochemical characteristics of recently active Andean volcanos and in significant geologic and tectonic features. The study will refine the understanding of the temporal and spatial relationships between the changing features near the north-south segment boundary, of Andean magma genesis and of the economically significant copper mineralization developed during Pliocene volcanism. In addition to the scientific results, this project allows for a significant international interchange and the training of graduate students from both the United States and from Chile. Also, it provides an opportunity for participation of the Chileans in the advanced analytical chemistry in Colorado. This kind of training and participation is an important feature of the Science in Developing Countries program.

该奖项支持地球化学领域的合作研究， 早期火山岩的研究， 位于博尔德的科罗拉多大学和 智利圣地亚哥大学。 这项工作将涉及外地 上新世和第四纪早期填图和化学分析 圣地亚哥附近的安第斯火山岩。 这些岩石形成于 横跨安第斯山脉两个不同部分的边界 南北之间的哪些重要差异发生在角度上 太平洋板块俯冲，在空间和石化 最近活跃的安第斯火山的特征， 重要的地质和构造特征。 该研究将完善 对时空关系的理解 在南北段附近不断变化的特征之间 边界，安第斯岩浆成因和经济 上新世发育了重要的铜矿化 火山作用 除了科学成果，该项目还允许 重要的国际交流和研究生培养 来自美国和智利的学生。 而且 为智利人参加 在科罗拉多的高级分析化学 这种训练 参与是科学的一个重要特征， 发展中国家计划。