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| 0036 |
Explorations in Turkestan : Expedition of 1904 : vol.2 |
Captions
| [Photo] 436 |
An Ice Dome, and its Third and Fourth Epoch Moraines in the foreground (Kara Kul). |
Citation Information
OCR Text
where exposed. At first it may seem too extraordinary that the ice of an ancient
glacial epoch should exist to-day, but, when realizing that the temperature over
these steppes falls to 10° and 12° F. at night during the warmest part of the sum-
mer, it appears more natural. We shall have to attribute it to the second of our
glacial epochs, having found it towards the limits of that expansion and 7 miles
from the end of the glacier to-day.
So in some way or other Kara Kul rose to drown the piedmont sheets of
ice and bury them with its sediments of glacier-ground stuff. The corresponding
shore-lines are on the peninsula well-preserved beaches of wave-action 200 feet
above the present level. The open water for wave-action and sedimentation of
glacier-ground stuff, together with vegetable life—grass like the present—all this
during the second glacial epoch is of great significance. We must believe it
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