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LATE PLEISTOCENE GLACIATION AND TECTONICS AT LAKE HOVSGOL

机译:霍维尔湖湖泊的渗透冰川和构造

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Glaciers have occupied the Vostoch and Bayan Nuruu mountain ranges (fig. 1) intermittently over the past million years (Hovsgol Drilling Project Members, 2010). Abundant glacial features including terminal and recessional moraines, glacial outwash terraces, and glacial kettles are preserved in the I1-Horoo-Gol Valley and piedmont. Two distinct moraine complexes exist: one containing a series of inset recessional moraines whose terminal moraine is currently under Lake Hovsgol, and the other whose terminal moraine ends at the head of the I1-Horoo-Gol Valley delta plain, about seven kilometers up valley (north) of the largest terminal moraine. Based on morphology of moraine crests we believe that the inner moraine complex is of Last Glacial Maximum (LGM) age while the outer complex is of MIS 4-6 age.
机译:冰川在过去的一百年(Hovsgol钻探项目成员,2010)中占据了沃斯太科和巴纳鲁乌山脉(图1)。丰富的冰川特性,包括终端和医生冰盖,冰川露水露台和冰川水壶在I1-HOROO-GOL山谷和皮埃蒙特保留。存在两个不同的冰碛复合体:一个包含一系列插入型冰箱,其终端冰更湖目前在霍维斯尔湖湖中,另一个羊岛在I1-HOROO-GOL山谷德雷塔普利湖主管结束,大约七公里(北北渡碛最大的北部。基于冰碛冠的形态,我们相信内羊膜复合体是最后的冰川最大(LGM)年龄,而外部复合物是MES 4-6岁。

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