Transform and Subduction Tectonics Along the Macquarie Ridge: Side-Scan, Seismic Reflection, and Gravity Studies

麦格理海岭沿线的转变和俯冲构造：侧扫描、地震反射和重力研究

• 批准号: 9217519
• 负责人: Garry Karner
• 金额: $ 32.68万
• 依托单位: Columbia University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-02-01 至 1998-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9217519&HistoricalAwards=false
• 关键词: Transform; Subduction; Tectonics; Along; Macquarie

9216873 Coffin In this project the PIs will examine the problem of how subduction initiates at the Macquarie Ridge complex, which occurs 1500km south of New Zealand and separates Pacific and Australian plates (Triple Junction with the Antarctic plate isn't too far either). The P.I.s argue that this is the best place in the world where to study this process. The field program includes side-scan sonar/bathymetric swath (Hawaii MR1), 6-channel seismic reflection, and gravity measurements aboard Moana Wave. The P.I.s will determine the deformation process and test two different models of subduction initiation.

小行星9216873 在这个项目中，PI将研究在新西兰以南1500公里处发生的Macquarie Ridge复合体如何开始俯冲的问题，该复合体将太平洋和澳大利亚板块分开（与南极板块的三联点也不太远）。私家侦探们认为这是世界上研究这个过程的最佳地点。现场项目包括侧扫声纳/测深条带（夏威夷MR 1）、6通道地震反射和Moana Wave上的重力测量。P.I.s将确定变形过程并测试两种不同的俯冲开始模型。