This paper records my geological and geomorphological observations enroute from Urumuchito Aksu.Leaving Urumuchi on August Ist,we passed through the graben trough of Davan,followed the course of Bayan Ho to Toksun in ...This paper records my geological and geomorphological observations enroute from Urumuchito Aksu.Leaving Urumuchi on August Ist,we passed through the graben trough of Davan,followed the course of Bayan Ho to Toksun in the Turfan Basin.Glaci-fluvial deposits were seen in the valley of Bayanho at 980m.above the sea.展开更多
The Association of American Geographers organized under Engeln,a symposium on the general subject of Penck’s contribution to geomorphology and its relation to the.Davisian system.The published Annual of Dec.1940 devo...The Association of American Geographers organized under Engeln,a symposium on the general subject of Penck’s contribution to geomorphology and its relation to the.Davisian system.The published Annual of Dec.1940 devoted.wholly to this subject reached me through Prof.Cressey four years later.展开更多
In May 1945,the author flew to Urumuchi vis the Kansu Corridor.There are evidently streamflood cournes on the no thern front the Chilienshan and great pediments have been formed.Former erosional surface on the Chilien...In May 1945,the author flew to Urumuchi vis the Kansu Corridor.There are evidently streamflood cournes on the no thern front the Chilienshan and great pediments have been formed.Former erosional surface on the Chilienshan were seen in two localities.They are well preserved flat-topped benches sloping towards the north;and flanked by gullies,These lie at the altitude 3,200 meters above the sea.展开更多
文摘This paper records my geological and geomorphological observations enroute from Urumuchito Aksu.Leaving Urumuchi on August Ist,we passed through the graben trough of Davan,followed the course of Bayan Ho to Toksun in the Turfan Basin.Glaci-fluvial deposits were seen in the valley of Bayanho at 980m.above the sea.
文摘The Association of American Geographers organized under Engeln,a symposium on the general subject of Penck’s contribution to geomorphology and its relation to the.Davisian system.The published Annual of Dec.1940 devoted.wholly to this subject reached me through Prof.Cressey four years later.
文摘In May 1945,the author flew to Urumuchi vis the Kansu Corridor.There are evidently streamflood cournes on the no thern front the Chilienshan and great pediments have been formed.Former erosional surface on the Chilienshan were seen in two localities.They are well preserved flat-topped benches sloping towards the north;and flanked by gullies,These lie at the altitude 3,200 meters above the sea.
