论文部分内容阅读
红柳峡位于酒泉盆地西南部,东南距玉门市40公里。自垩第三纪砂页岩系在这里形成近东西向的一带长岭,火山颈则突出于长岭南侧的丘陵之上,高出山南盆地约200米,地形上非常显著,自玉门市西行不远就可以看到它,因此很早就引起地质工作者的注意。1957年中国科学院地质研究所祁连山队对这个火山岩颈及其附近的岩流进行过1:2000的地质制图。现结合野外及室内观察初步报导如下(参看图1):1.根据玉门矿务局资料,火山颈系穿过自垩第三
Hongliu Gorge is located in the southwest Jiuquan Basin, 40 km southeast of Yumen City. The Cretaceous Tertiary sand shale formed a nearly east-west belt along Changling. The volcanic neck protruded above the hills on the south side of Changling, about 200 meters above the Shannan basin, and the terrain was very clear. From Yumen westbound It can be seen not far away, and so early attracted the attention of geologists. In 1957, the Qilian Mountain Institute of Geology, Chinese Academy of Sciences conducted a 1: 2000 geological mapping of the volcanic rock neck and the rock mass nearby it. Now combined with the field and indoor observation of the initial report is as follows (see Figure 1): 1. According to the Yumen Mining Bureau, volcanic neck through the chalk third