GEOLOGY OF THE LAKE PLACID QUADRANGLE 95 



Deformation table for the lower series of lakes in the quadrangle 



Altitude Calculated tilt, 



Lake in feet feet a mile 



Wilmington iioo 2.94 



Upper phase of Upper Jay 1016 2.80 



Lower phase of Lower Jay 994 2.75 



Haselton 967 2.71 



Lower Jay 930 • • • • 



Otis 903 



Rocky branch 860 .... 



Clifford 835 2.70 



Marine level 648 2.71 



The writer came to the same conclusion in 191 6 although at that 

 time his data were not so accurate as those now available, and 

 hence the figures are slightly different. 



It will be noticed that the rate of tilt decreases as one passes 

 from Lake Wilmington to Lake Haselton ; the tilt of the latter 

 appears to be the same as that of the marine plain. If any con- 

 fidence can be placed in the figures, it would seem that the lakes 

 below and including Haselton drained directly into the marine 

 waters. Since warping is a function of uplift, it would appear 

 that the total amount of uplift for the quadrangle since glacial 

 times is greater than the amount, 600 feet (for the southeast cor- 

 ner), proposed by Fairchild. 



ACKNOWLEDGMENT 



The writer is indebted to Professors James F. Kemp, Herman 

 L. Fairchild, George H. Chadwick and D. W. Johnson for advice 

 and counsel in the field and in the laboratory. 



