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1 引言 目前已收集了大量印度洋洋底岩浆岩的资料,需要进行总结。从1973年《勇士》号科学考察船第54航次考查开始起到1990年,本文作者都直接参加了大部份资料的收集和处理。本文试图分析与构造-岩浆活动过程有关的洋底基岩的资料,来观察洋底地质演化的某些方面。早期的有些论文仅涉及个别的构造或部份构造,本文是根据《深部地质圈》计划进行的研究结果完成的。
1 INTRODUCTION A large amount of information has been collected from the Indian Ocean floor magma and needs to be summarized. From 1973, “Warriors” scientific investigation of the 54th voyage test began to 1990, the authors of this paper are directly involved in the collection and processing of most of the information. This paper attempts to analyze the data of the ocean bedrock associated with tectono-magmatic activity to observe some aspects of the geological evolution of the ocean floor. Some of the earlier papers dealt with only individual structures or partial structures. This article is based on the findings of the “Deep Geosphere” program.