U.S. -Philippines Cooperative Research: Geochemical Investigation of ARC Magmas from Camiguin Island, Southern Philippines

该提案要求提供资金，允许Paterno R. 卡斯蒂略，海洋地质和地球物理司， 迈阿密大学，与雷蒙多·S。 Punongbayan，菲律宾火山研究所， 地震学，为期24个月， 合作研究卡米金弧岩浆 岛，菲律宾南部。 其主要目标是 研究的目的是（1）研究表面上有规律的周期 火山活动的卡米金岛，（2）确定最 可能的分化机制对此负责 岩浆活动模式;（3）制约物源 从卡米金和巴拉图坎喷出的岩浆成分 (on附近的棉兰老岛）火山，（4）比较和 对比卡米金的岩浆源成分， Balatukan与东部火山中心的火山， 菲律宾北方的西部弧，（5）模拟 下俯冲地幔的长期历史 菲律宾确定它是否是洋中脊 玄武岩、洋岛玄武岩或亚大陆型。 合作者希望该项目的结果 从而更好地了解卡米金的本质 希望能预测未来的火山活动 岛上的活动。 此外， 该项目将帮助地球科学家获得一个全面的 对岛弧岩浆作用来源的认识。 的 本项目将允许这些高度尊重 科学家们联合收割机结合他们的才能和兴趣， 互利 该项目与目标相关 发展中国家科学计划， 加强与美国的合作。 科学家和工程师以及 发展中国家通过科学交流， 信息、想法、技能和技术， 在互惠互利的问题上进行合作。

This proposal requests funds to permit Dr. Paterno R. Castillo, Division of Marine Geology and Geophysics, University of Miami, to pursue with Dr. Raymundo S. Punongbayan, Philippine Institute of Volcanology and Seismology, for a period of 24 months, a program of cooperative research on the arc magmas from Camiguin Island, southern Philippines. The main objectives of this study are to (1) investigate the apparently regular cycle of vulcanism on Camiguin Island, (2) identify the most probable differentiation mechanisms responsible for this pattern of igneous activity, (3) constrain the source composition of magmas erupted from Camiguin and Balatukan (on nearby Mindanao Island) volcanoes, (4) compare and contrast the magma source composition of Camiguin and Balatukan with those of volcanic centers in the eastern and western arcs of northern Philippines, and (5) model the long-term history of the suprasubduction mantle beneath the Philippines to determine whether it was mid-ocean ridge basalt, ocean island basalt, or sub-continental type. The collaborators expect the results of this project to lead to a better understanding of the nature of Camiguin volcanoes and, hopefully, to predict future volcanic activity on the island. In addition, results of the project will help earth scientists gain a comprehensive understanding of the source of island arc magmatism. The present project will allow these highly respected scientists to combine their talents and interests for mutual benefit. This project is relevant to the objectives of the Science in Developing Countries Program which seeks to increase the level of cooperation between U.S. scientists and engineers and their counterparts in developing countries through the exchange of scientific information, ideas, skills, and techniques and through collaboration on problems of mutual benefit.