BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 

 VOL. 16. PP. 367-390, PL. 66 JUNE 23, 1905 



GEOLOGY OF FISHERS ISLAND, NEW YORK* 



BY MYRON L. FULLER 



(Presented before the Society December 3 J, 1904) 

 CONTENTS 



Page 



Location and general relations 368 



Topography 369 



Geology 371 



General conditions 371 



Character and history of the deposits 372 



Granite foundation 372 



Basal blue clay '. 372 



Mannetto and Jameco gravels 373 



Gardiner clay 375 



Use of term 375 



Conditions of deposition 375 



Composition of the clays 376 



Details of occurrence 377 



Jacob sands 378 



Use of term 378 



Conditions of deposition 378 



Character of the sands 379 



Details of occurrence 380 



Herod gravels 381 



Use of term 381 



Conditions of deposition 381 



Character of gravels 381 



Details of occurrence 382 



Montauk drift 382 



Use of term 382 



Conditions of deposition 383 



Character and occurrence of the Montauk drift 383 



Later pre-Wisconsin events 384 



"Wisconsin deposits 385 



Recent history 386 



Correlations 386 



Relation of Gardiner clay, Jacob sand, and Herod gravel to " Sankaty 



beds " (Wood worth) of Marthas Vineyard and Nantucket 386 



♦Published by permission of the Director of the United States Geological Survey. 

 L— Bull. Geol. Soc. Am., Vol. 16, 1904 (367) 



