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本文主要讨论通化地区龙岗山脉中段太古界鞍山群的层序。该区鞍山群沿北50°—70°东方向自南西而北东展布,南北宽80Km,北东——南西长大于120Km,由中深程度的变质岩、混合岩及混合花岗岩类组成,构成了著名的龙岗复式背斜。一、研究历史概述该区的鞍山群研究程度较低,一九三四——一九三八年日人斋腾林次及野田光雄统称为花岗片麻岩类。一九五四——一九五八年通化地质大队、吉林省冶金局普查大队称
This article mainly discusses the sequence of the Archean Anshan Group in the middle segment of the Longgang Mountains in Tonghua area. The Anshan Group stretches from north to south in the direction of 50 ° -70 ° in the north, with a width of 80 km north-south and a length of more than 120 km in the north-south west. It consists of middle-deep metamorphic rocks, mixed rocks and mixed granites, Constitute the famous Longgang double anticline. I. Overview of the Study History The Anshan Group in this area has a relatively low degree of research. The Japanese Teng-Teng Lin and Noda Tomitsu are known as granitic gneiss from 1934 to 1938. 1954 - 1958 Tonghua Geological Brigade, Jilin Province Metallurgical Bureau census team said