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关于三峡壩址区的选择工作,经过了我会设计部门较长时期的研究後,目前正就宜昌以上约60公里范围内进行两段地区的比较:一段是美人沱至三斗坪(距宜昌46.5公里)的花岗片麻岩区,在地质上无问题(该区以上的水库地质在理论上也无问题),可以作为壩址区;另一段是石牌至南津关(距宜昌7公里)的石灰岩区,在地形及位置上说都很理想,但石灰岩溶洞非常发育,必须弄清这段的复杂地质情况,才能肯定是否适于筑壩,目前正集中大批钻机与地质人员在这里收集地质资料。
Regarding the selection of the Three Gorges dam area, after a relatively long period of research by the design department, I am currently conducting a comparison of two sections within about 60 km of Yichang. The first section is from Mei Ren Tuo to Sandou Ping 46.5 km) of granite gneiss area, no geological problems (in this area above the reservoir geology in theory, no problem), can be used as the dam site; the other section is the Shipai to Nanjinguan (7 km away from Yichang ) Of the limestone area, both in terms of topography and location are ideal, but the limestone cave is very developed, we must find out the complex geological conditions in this section can be sure whether it is suitable for dam construction, is currently concentrated a large number of rigs and geologists are collected here Geological information.