1895. | NEW YORK ACADEMY OF SCIENCES. 1% 
out the island, evidently consists of transported material, from 
its heterogeneous composition, lignite sand, clay and pebbles be- 
ing in places mingled together. The following section taken 
about a quarter of a mile south of Clay Head will show the 
general character of the formation : 
Surface loam and drift.......... BA cided ee eee D ft. 
HSI AC UNA Nea ac tA ceia's aqet Sid teSecs acoanaes een eRtetioRes eo hatte. 3 (ous 
SSPMR GUI * SATU, 282 het yeh aes ol sl va eR Oe ee serbiee’t 
Wopblezstone: bed 48%. 2 woes 225% Pee see ee: Sn Aye © 
Stratified bluish clay and sand.....:......5....-. Pit) teed Wp 
HereueinOuscsaAnastOne, SOLbe .0...), «<target ania me 5 a 
Eats T SIE! SMI ice) shad)stes Se Syehieae sx xad SWS. Sr oeed Back aie ee 4 
Pee eamiyel ayia ssid la iecarscs che ols aeahatelas Sheets ote : te. LORS 
Mom Ges WeaCh a a since oes dl Pee it ey 
At this point the three lowest beds are disturbed and faulted 
as shown in the following sketch. 
Rng ale 
This formation shows that there were two advances of the ice 
sheet during the deposition of these strata, the first producing 
the disturbance shown in the lower part of the section when 
only those beds had been formed and the second producing the 
low but extensive anticlinal, in the north slope of which this 
point is situated. 
Half a mile south, stratified sand, kaolin and white clay rise 
up through the lowest strata in an abrupt fold, the top of which 
has a curve of about thirty feet radius. This deposit in char- 
TRANSACTIONS N. Y. ACAD. Scl., Vol. XY., Sig. 2, January 13, 1896. 
