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集宁-凉城地区位于內蒙台背斜中部向南突出部分。本区变貭岩系早为我国地貭学者划为太古代桑乾片麻岩。近年来北京地貭学院水文队及內蒙地貭局普查队在本区进行了調查,但尚缺乏完整的地貭图,而且对变貭岩系的层位划分及其变貭相并未进行过系統的研究。我們的工作以研究地貭剖面及小区域的1/5万制图开始,1962年夏作者們共同研究了集宁-三岔口及土貴烏拉一带,1963年夏鍾富道、楊学昌等又調查了凉城-卓資县
Jining - Liangcheng area is located in the central part of Inner Mongolia Airstream southward prominent part. In this area, the metamorphic rock series have been classified as too ancient Sanggan gneiss by the mesozoic scholars in our country. In recent years, the investigation teams of the hydrology team from Beijing Di? Xing Institute and the Census Bureau of Inner Mongolia Bureau of Land and Resources conducted a survey in this area, but there is still no complete map of the land and the stratigraphic division of the variable rock series and its transformation have not been conducted System research. Our work began with the study of the 1 / 500,000 cartography of the earthquakes and small areas. In the summer of 1962, the authors jointly studied the Jining-Sanchakou and Tugui-Ula areas. In the summer of 1963, Zhongfu Road and Yang Xuechang investigated the Liangcheng - Zhuozi County