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一、桂林谷地定义、洞穴遗址调查状况桂林位于广西壮族自治区东北部。本文所称桂林谷地,北起兴安,南迄阳朔,位于南岭山系的西南,坐落在北为越城岭、东为海洋山、西为天平山、西南为架桥岭等海拔1 000米以上山岭夹持的岩溶谷地中。地质构造上是一个大致呈南北走向、略向西突出的弧形构造,又称桂林弧形构造。谷地内地势低平,大致自北向南微倾斜,地面海拔140～160米。谷地内岩溶地貌发育明显,洞穴众多。桂林洞穴遗址也主要保存在这样的岩溶洞穴中。桂林洞穴遗址的科学调查,发端于1930年代裴文中、杨钟健等专家对广西洞穴的调查,在桂林北门
First, the definition of Guilin Valley, cave site survey status Guilin is located in the northeast of Guangxi Zhuang Autonomous Region. Guilin valley in this paper, north of Xing’an, south to Yangshuo, located in the southwest of the Nanling Mountains, located in the north of the Yuechengling, the sea east of the mountain, west of Mount Tianping, south-west Jiaolingling more than 1,000 meters above sea level Karst valley in the mountains. Geological structure is a roughly north-south, slightly prominent arc structure, also known as Guilin arc structure. Low-lying flat valley in the valley, generally slightly tilted from north to south, the ground elevation of 140 to 160 meters. Valley karst landform development is obvious, many caves. Guilin cave sites are also mainly preserved in such karst caves. Guilin cave site scientific investigation, originated in the 1930s Pei Wenzhong, Yang Zhongjian and other experts on the investigation of caves in Guangxi, in the north gate of Guilin