Comparative Petrology of Propagating and Failing Rifts of the Galapagos Spreading Center at 95.5'W

这项研究是为了继续调查地质 1985年阿尔文/亚特兰蒂斯号卫星观测和收集的样品 II号在加拉帕戈斯冰穹裂谷区西经95.5度巡航。 这项工作将集中于获得一个扩大的数据库 矿物成分，玻璃分离微量元素 成分和熔体夹杂物主要元素。 结果将回答一些基本问题 关于岩浆的产生和开采过程 裂谷地区，显示出有趣的岩石多样性。 这项研究也将有助于了解 断裂和裂缝扩展的构造 岩石圈板块 该项目将得到65，000美元的支持， FY 87 18个月

This research is to continue investigation of geological observation and samples collected during the 1985 Alvin/Atlantis II cruise in the Galapagos Propagating Rift area 95.5 degrees W. The work will be concentrated on obtaining an expanded data base of mineral compositions, selected glass separate trace element compositions, and melt inclusion major elements. The results will answer some of the fundamental questions about the magma generation and mining processes in a propagating rift area which has shown interesting petrological diversity. This study will also contribute to the understanding of the tectonics of failure and propagation of rifts within a lithospheric plate. The project will be supported at $65,000 in FY87 for 18 months.