40 



NEW YORK STATE MUSEUM 



The TuUy " Glacial Series " 



The topographic situation of the features to be described is well 

 shown in the photograph (plate i) of a relief model of " Syracuse 

 and Vicinity " published by the State Museum. While the model 

 indicates very well the bolder features of the topography and the 

 scenic diversity of the region, it was not made with a view to bring- 

 ing into relief the particular glacial details of the landscape, hence 

 does not show the features discussed in the following pages in so 

 striking a fashion as these themselves present when seen in the field. 



The Tully area exhibits compactly what has been termed by Penck 

 and Bruckner, in their work "Die Alpen im Eiszeitalter," a " glacial 

 series." By this phrase it is meant to characterize the typical suc- 

 cession and association in which the various evidences of the occupa- 

 tion of an area by glacial ice will be encountered after the ice has 

 melted away. Figure i, adapted from Penck, shows the several 



MORAINE LOOP 



LOBE TROUGH 

 DBUMUIN BELT 



Figure i. Diagram of the typical glacial series of the Alpine Glaciers. 



(After Penck) 



members of such a series in their areal relationships and gives some 

 idea also of the forms of which the series is comprised. Figure 2 

 is a reproduction of Penck's mapping of the actual occurrences of 

 such a series on the Swiss plateau. In correlating the New York 

 region, centering at Tully, with the Alpine area which these figures 

 illustrate, Lakes Ontario and Onondaga would correspond with the 

 Bodensee, the drumlin country and channels about Syracuse (drum- 

 lins are shown on the photograph of the relief model, plate i) 

 would match the drumlin and channel occurrences to the north and 

 west of the Bodensee, the upper courses of the several rivers, Rhine, 

 Danube etc. would be (less nearly) equivalent to the Finger Lakes 

 valleys of New York and the Onondaga valley. The " Young End 

 moraine " correlates with the morainic deposits at the heads of the 

 Finger Lakes valleys, and, specifically again, to the barrier across the 

 Onondaga valley west of Tully village, and finally, the small patches 

 of "white-dot-on-black" symbol "Younger Deckenschotter " (out- 

 wash) outside the Young End moraine correspond to the much more 



