Number 7--SIDESCAN SONAR IMAGE, SURFICIAL GEOLOGIC INTERPRETATION, AND

Survey Number 7--SIDESCAN SONAR IMAGE, SURFICIAL GEOLOGIC INTERPRETATION, AND BATHYMETRY OFF ROANOKE POINT, NEW YORK

Lawrence J. Poppe ¹, Ralph S. Lewis², Richard P. Signell¹, Harley J. Knebel¹,
Mohabir Persaud³, Jane F. Denny,¹, Kenneth F. Parolski,¹, and Mary L. DiGiacomo-Cohen, ²

^{1 U.S. Geological Survey, Woods Hole, MA 02543

² Long Island Sound Resource Center, Connecticut Geological and Natural History

Survey,

Department of Environmental Protection, 1084 Shennecossett Road, Avery Point, Groton, CT

06340

³ Division of Coastal Resources, New York State Department, 162 Washington

Ave., Albany, NY 12231

TABLE OF CONTENTS

INTRODUCTION

GEOLOGICAL SETTING

DATA COLLECTION AND PROCESSING

INTERPRETATION

Bathymetry

Near-surface Seismic Character

Sidescan Sonar Mosaic

Surficial Sediment Distribution

Sedimentary Processes

ACKNOWLEDGMENTS

REFERENCES

FIGURE CAPTIONS

SIDESCAN-SONAR MOSAIC

U.S. Department of the Interior, U.S. Geological Survey

URL: http://pubs.usgs.gov/of/1998/of98-502/chapt2/7roanoke/frontp7.htm

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