THAW EFFECTS 



205 



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#itK 





Glacier ice 

 Forming large 

 rounded domes 



Fig. 59. Sketch plan showing small inlet receiving the drainage of a surface glacial stream on the 

 southern side of the Drygalski Ice Barrier Tongue at a point 20 miles west of its seaward end 



snow-drifts caused deep erosion of the snow. A kind of stratification resulted, 



which appeared to have no relation to any original stratification of the snow. Thin 



flat layers of ice were formed, separated by cavities. These dipped at a gentle angle 



2 D 



