为地质界所俗称的巴丹吉林地区,位于内蒙古自治区西部,其名称来源于南部的巴丹吉林沙漠,其西界是弱水,东界是黄河河套平原.由于地域偏僻、荒芜,地质上一直属于研究程度很低的地区,以往从未有过关于寒武系及奥陶系的报导.1977-1978年宁夏地质局综合研究队和西安地质矿产研究所在这一地区开展了详细的地质调查,在珠斯楞海尔罕、 The Badanjilin area, commonly known as the geologic community, is located in the western part of the Inner Mongolia Autonomous Region and its name is derived from the Badain Jaran Desert in the south, where the western boundary is weak and the east boundary is the Hetao plain of the Yellow River. Because of its remoteness, barrenness and geology Belongs to the study area is very low, never before on the Cambrian and Ordovician reports 1977-1978 Ningxia Bureau of Geology comprehensive research team and Xi’an Institute of Geology and mineral resources in the region conducted a detailed geological survey , In the beads sturgeon haierhan,