Collaborative Proposal: How Did the "World's Largest Single Volcano" Form at a Triple Junction? A Magnetic and Bathymetry Survey of Tamu Massif, Shatsky Rise

合作提案：“世界上最大的单一火山”是如何在三重连接处形成的？

• 批准号: 1543903
• 负责人: Masako Tominaga
• 金额: $ 5.29万
• 依托单位: Texas A&M University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2015
• 资助国家: 美国
• 起止时间: 2015-04-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1543903&HistoricalAwards=false
• 关键词: Collaborative; Proposal; How; Did; World

Part 1The proposed work will attempt to gain a better understanding of the formation of Tamu Massif, the main volcanic edifice of Shatsky Rise oceanic plateau. This will be accomplished by collecting and analyzing magnetic anomaly and bathymetric data over Tamu Massif during of a 32-day cruise on the Schmidt Ocean Institute research vessel Falkor in the fall of 2015. The project will support an early-career female investigator and promote international collaboration with Japan. Graduate students as well as undergraduates will be involved in the sea-going experience. The project will have an outreach component consisting of learning modules for students to learn about submarine volcanoes and marine geology and geophysics as well as partnering with museums to create exhibits with video feeds to the ship.Part 2This project will test two end-member hypotheses about the formation of Tamu Massif on the Shatsky Rise: 1) that Tamu Massif is the result of a large mass of thermally-buoyant material arising from the core-mantle boundary region as a new mantle plume is formed (?plume head? hypothesis); or 2) that Tamu Massif is the result of plateau eruptions occurring where plate boundaries or plate cracks release pressure above areas of the upper mantle with lower melting temperatures (?fertile? mantle hypothesis). The project results will allow for the revision of the existing map of magnetic anomalies and the revision of the tectonic and structural interpretation. The project will have an outreach component that will be organized by Leslie Peart, former outreach coordinator for Consortium for Ocean Leadership for IODP, who currently works for the Corpus Christi Aquarium. Potential outreach activities consist of learning modules for students to use to learn about submarine volcanoes and marine geology and geophysics as well as partnering with museums to create exhibits with video feeds to the ship.

第一部分：对塔木地块的形成过程进行了研究，塔木地块是沙茨基海隆的主要火山机构。这将通过在2015年秋季施密特海洋研究所研究船Falkor进行为期32天的巡航期间收集和分析Tamu Massif上空的磁异常和测深数据来完成。该项目将支持一名职业生涯初期的女性调查员，并促进与日本的国际合作。研究生和本科生都将参与航海体验。该项目将有一个外展组成部分，包括学习模块，让学生了解海底火山和海洋地质学和海洋物理学，以及与博物馆合作，创建展览与视频饲料的船舶。第2部分该项目将测试两个端元假说的形成塔穆地块上的沙茨基隆起：1）Tamu地块是由于新地幔柱的形成，在核幔边界区域产生了大量热浮力物质（？）羽毛头？假设）;或2）塔穆地块是高原喷发的结果，发生在板块边界或板块裂缝释放压力以上的地区的上地幔具有较低的熔融温度（？肥沃的？地幔假说）。项目成果将有助于修订现有的磁异常图，并修订构造和结构解释。 该项目将有一个外展部分，将由国际海洋发展方案海洋领导联合会前外展协调员莱斯利·皮尔特组织，他目前在科珀斯克里斯蒂水族馆工作。潜在的外联活动包括供学生学习海底火山、海洋地质学和海洋物理学的学习模块，以及与博物馆合作制作展览，并向船上提供视频。