阿尔金山位于青藏高原北缘,西自且末县以南由昆仑山分出,东到当金山口与祁连山相接,长约700余公里(图1)。阿尔金山地区以往地质研究程度很低,到目前为止,有化石依据的石炭系仅有上石炭统,主要分布在阿尔金山中段索尔库里北东的碎岩山和因格布拉克以南地区。其次,在东段的化石沟及安南坝东南亦有零星分布。 The Altun Mountains are located on the northern margin of the Qinghai-Tibet Plateau, separated from the Kunlun Mountains to the south of Qiandu County by the west and connected to the Qilian Mountains to the east when the Dangjin Pass is about 700 km long (Figure 1). In the past, the fossil-based Carboniferous has only the Upper Carboniferous, which is mainly distributed in the rocky mountains of Kitalkur and the area south of Ingebrak in the middle of the Altun Mountains. Second, scattered fissures in the eastern segment and southeast of Annan dam.