OROGRAPHY OF CENTRAL TIBET.
that dry up, and thus are in the last stadium preceding total disappearance. And we may speak of terrace lakes, the best and most beautiful examples of which occur in western Tibet. Moreover further exploration of that part of the country
Fig. 377. SOME VIEWS OF ISOLATED GLACIATED MOUNTAINS IN CENTRAL TIBET.
will beyond doubt reveal a number of lakes which, like the Lakor-tso, have subsided more than I oo m., judging from the evidence afforded by their old strand-terraces. The shores of the Lakor-tso lie 200 to 300 m. lower than the country which immediately encircles that lake. As a rule the lakes which have disappeared
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