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本文主要是根据最近几年出版的国外有关书刊及我所和地矿部情报所等单位的出版资料综合而成的。全文共分下列五部分。一、前寒武纪地质工作已引起各国地质工作者的广泛重视,研究浪潮不断高涨。二、国外前寒武纪地质工作的主要特点。三、目前国外前寒武纪地质研究中一些主要动态。 (一)前寒武纪长英质片麻岩成因的深入研究取得了重要进展,对认识地壳演化有重要意义。
This article is mainly based on published in recent years, foreign publications and I and the Ministry of Mines and other units of information published by the integrated information. The full text is divided into the following five parts. First, the Precambrian geological work has aroused widespread attention of geological workers in various countries, the wave of research is constantly rising. Second, the main features of Precambrian geological work abroad. Third, the current foreign Precambrian geological research in some of the major developments. (I) Significant progress has been made in the in-depth study of the genesis of the early Cambrian quartz gneisses, which is of great significance for understanding the evolution of the crust.