CONTENTS 



Page 



I INTRODUCTION 7 



1. Background 7 



2. Field and Laboratory Procedures 8 



3. Scope 10 



4. Geographic Setting 15 



5. Geologic Setting and Regional Stratigraphy 16 



6. Water Movement and Littoral Drift 23 



II SHELF GEOMORPHOLOGY, SHALLOW STRUCTURE, AND STRATIGRAPHY . 24 



1. Continental Shelf Morphology 24 



2. Shallow Subbottom Structure and Stratigraphy 26 



3. Major Surface and Buried Paleodrainage Channels ... 39 



III SURFACE AND SUBSURFACE SEDIMENT CHARACTER AND DISTRIBUTION 50 



1. Primary Sediment Classes 52 



2. Radiometric Dating and Land-Sea Relationships .... 60 



IV SANDFILL NEEDS AND RESOURCE POTENTIAL 65 



1. Sandfill Requirements for Area Beaches 65 



2. Suitability of Sand for Beach Nourishment 67 



3. Potential Borrow Areas and Sand Volumes 67 



V SUMMARY 77 



LITERATURE CITED 79 



APPENDIX 



A CORE SEDDCNT DESCRIPTIONS 87 



B GRANULOMETRIC DATA 108 



TABLES 



1 Generalized stratigraphy of Long Island 18 



2 Correlation of stratigraphy from New Jersey and Long Island. . . 21 



3 Log of the Orient Point, Long Island boring 38 



4 Carbon- 14 dates from CERC Long Island vibratory cores 63 



5 Sand availability for borrow areas ..... 72 



FIGURES 



1 Location map of the New York Bight study area 11 



2 Location of seismic reflection ship tracklines, vibratory 



cores, and Orient Point boring 13 



