CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 7 



I INTRODUCTION 9 



1 . Background and Purpose 9 



2. Location and Data Coverage 9 



3. Geologic Setting 10 



4. Field and Laboratory Procedures 15 



II SEISMIC REFLECTION RESULTS 18 



1. General 18 



2. Primary Reflectors 18 



3. Reflection Units 23 



III SEDIMENT CHARACTERISTICS 31 



1 . General 31 



2 . Sediment Composition 31 



3. Sediment Categories 38 



IV DISCUSSION 50 



1. Age and Correlation of Sediment Bodies 50 



2. Evolution of the Inner Shelf Zone 63 



V ENVIRONMENTAL AND ENGINEERING FACTORS 72 



1 . General 72 



2. Geological Hazards 72 



3. Soil Properties. 75 



4. Sand Resources 77 



5. Relict -Modern Sediment Boundary 79 



6. Natural Tracers 80 



VI SUMMARY 82 



LITERATURE CITED 84 



APPENDIX 



A SEISMIC PROFILE DATA 91 



B CORE DESCRIPTIONS 99 



C GRANULOMETRIC DATA 119 



D CONSTITUENT ANALYSIS 125 



E FAUNAE LISTS 129 



TABLES 



1 Upper Cretaceous to Holocene stratigraphic units of southern 



North Carolina 16 



