作　　者： ;

机构地区： 华南师范大学

出　　处： 《云南地理环境研究》 1991年第2期44-48,共5页

摘　　要： 作者在1984年考察金沙江石鼓袭夺地形时,发现古长江确实存在,如古阶地剖面、古河床卵石层及古谷地纵斜度均匀向剑川递降等。金沙江袭夺发生于更新世末期,古谷地沉积物(灰华)C_(14)测定为17,300±520年。 There has been some debate among the geographers as to whether there is an old stream that belonged to Jinshajiang river from Shigu to Erhai lake. After some time of field work, the author has come to take as affirmative attitude to the problems as issue. Some fresh insights have also been on the subject.

关 键 词： 金沙江 石鼓 河流袭夺 古谷地 地形

领　　域： [天文地球]