Provenance History of Upper Cenozoic Sandstones of the Bengal Basin, Bangladesh

孟加拉国孟加拉盆地上新生代砂岩的物源史

• 批准号: 9300295
• 负责人: Neil Lundberg
• 金额: $ 2万
• 依托单位: Florida State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1993
• 资助国家: 美国
• 起止时间: 1993-03-15 至 1996-02-29
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9300295&HistoricalAwards=false
• 关键词: Provenance; History; Upper; Cenozoic; Sandstones

Description: This dissertation improvement grant supports travel and provides field expenses for Dr. Neil Lundberg and his doctoral candidate, Ashraf Uddin of Bangladesh. In addition, a U.S. undergraduate student will participate in the research and gain experience in working with Bangladesh geologists. The project will be carried out in collaboration with Dr. Monirul Hoque of the Department of Geology, University of Dhaka in Bangladesh. It seeks to study the quaternary sequences of the Bengal basin for petrographic, mineralogic and geochronologic evidence of the tectonic history of the adjacent mountain belts. Sample collection and sedimentologic observations in the field will be followed by detailed analysis of sediment composition and fission-track geochronology. Modal analysis of sandstones and heavy-metal studies, complemented by fission-track analysis of detrital apatite and zircon, will be used to evaluate changes in source-area composition, to determine unroofing trends and rates, and to test hypothesized episodes of uplift. These data will be compared to existing data sets for equivalent deposits of the Sub-Himalayan Siwalik sequence and the Bengal fan. Scope: This project is likely to provide detailed quantitative data on the stratigraphic record of the Himalayan collision. It will provide research opportunity in an excellent natural laboratory for a graduate and undergraduate students in a U.S. university. It can also help the host country by provding an improved understanding of the regional geological framework and basin history, important in developing petroleum resources of the Bengal basin.

描述：本论文的改进 赠款支持旅行，并提供实地 尼尔·伦德伯格博士和他的博士 候选人，孟加拉国的阿什拉夫·乌丁。 在 此外，美国本科生将 参与研究并积累经验 与孟加拉地质学家合作。 的 该项目将在合作 与医学系的Monirul Hoque博士 地质学，孟加拉国达卡大学。 它 试图研究的第四纪序列的 孟加拉盆地的岩石学、矿物学和 构造历史的年代学证据 邻近的山脉。 样品 收集和沉积学观察， 实地调查之后将进行详细分析 沉积物成分和裂变轨迹 地质年代学 砂岩的模态分析 和重金属研究， 碎屑磷灰石的裂变径迹分析， 锆石，将用于评估 源区组成，以确定去顶 趋势和比率，并检验假设 一幕幕的隆起 这些数据将 与现有数据集相比， 亚喜马拉雅期西瓦利克层序沉积 还有孟加拉球迷 范围：该项目可能提供 详细的地层定量数据 喜马拉雅山碰撞的记录 它将 提供研究机会，在一个良好的 自然实验室的研究生和 美国大学的本科生。 它还可以帮助东道国， 更好地了解区域 地质框架和盆地历史， 在开发石油资源方面， 孟加拉盆地