CONTENTS 













ix 



PAGE 



Other exposures 167 



Gardiners clay .... 













167 



Name 













167 



Character .... 













168 



Thickness .... 













168 



Source of materials 













168 



Relation to older deposits 













169 



Structure .... 













169 



Date of folding of Gardiners clay 













170 



Conditions during deposition . 













170 



Distribution . . . . 













170 



Outcrops ..... 













171 



Form of surface 













172 



Fossils and age 













173 



Jacob sand ..... 













174 



Name ..... 













174 



Character .... 













174 



Source of materials . 













174 



Structure .... 













175 



Conditions during deposition . 













175 



Distribution and exposure 













175 



Form of surface 













176 



Fossils and age 













177 



Manhasset formation 















177 



Name 















177 



Subdivisions 















178 



General distribution 















178 



Herod gravel member 















178 



Name 















178 



Character . 















178 



Thickness . 















179 



Structure . 















179 



Source of materials 















180 



Relation to other deposits 













. 180 



Conditions during deposition 













181 



Distribution 













181 



Age 













182 



Montauk till member 













182 



Name .... 













182 



Character . - . . . 













182 



Thickness .... 













183 



Source of materials . 













183 



Relation to other deposits 













183 



Structure .... 













184 



Conditions during deposition 













184 



Distribution 













184 



Age 













186 



Hempstead gravel member 













186 



Name 













186 



Character . 



. 













187 



