Chronological Study on the Maximum Expansion of Valley Glaciers during the Last Glaciation in the Hidaka Range

1.冰川没有形成典型的地貌，如边缘位置的终碛脊; 2.在一些地方发现了典型的沉降冰碛和变形冰碛; 3.沉降冰碛覆盖了插入托雅和RP-3标志火山灰的角砾。因此，冰川在60ka.4左右已经前进到几乎最大的位置。5.末次冰期盛期冰川已推进到约1000米的范围，并在此范围内形成了一个新的冰碛层。6.在分析绘图仪制作的高分辨率地形图上，利用航空摄影解译制作了冰川地貌图。7.在野外观测的基础上，编制了冰川地貌及其沉积物清单。

1.Glaciers had not formed typical landforms such as the terminal moraine ridge at the marginal position.2.Typical lodgement till and deformation tills were found at some localities.3.A lodgement till had covered the angular gravels intercalating the marker tephras of Toya and RP-3. Therefor the glacier had already advanced to the almost maximum position at around 60 ka.4.The older till was found to be underlain by the angular gravels. Therefor this till should have associated with the penultimate glaciation.5.The glacier at the maximum stage of the last glaciation had advanced down to the area of ca. 850m above sea level.6.A glacial-geomorphological map based on the air-photo interpretation was produced on the high resolution topographical map prepared by the analytical plotter.7.Inventory of glacial landforms and their sediments were compiled on the basis of field observation.