GLACIAL STUDIES IN GREENLAND. 



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general and more powerful movement from the east rather than 

 an extension of the local glaciation of the island. 



Ascending Blase Dale amid such feeble tokens of former 

 ice action, and turning to the left into the wide mouth of the 

 first tributary valley, we reach the lowest of the Blase Dale gla- 

 ciers at a height of about 1500 feet above the sea. 



Fig. 6. — Portion of the end of Lower Blase Dale glacier in the west valley, 

 showing terminal slope and the relations of the ice to the morainic material. 



Lower Blase Dale Glacier. — This glacier descends from the 

 ice cap by a steep, much-crevassed cataract. An embossment 

 of rock in the center causes the ice to break over it and fall in 

 fragments to the base of the declivity, where it again solidifies 

 and moves on with the branches on either hand that succeeded 

 in descending without complete disruption. These branches 

 correspond to the heads of two valleys that jointly make up the 

 common valley. These diverge gently below the cataract, leav- 



