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Open-File Report 2005-1293

High-Resolution Geologic Mapping of the Inner Continental Shelf: Nahant to Gloucester, Massachusetts

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Title Page

Table of Contents
List of Figures
Introduction
Maps
Data Collection
and Processing
Geologic Interpretation
References
Acknowledgments

Appendices

Geographic Information
System
Sediment Texture
Bottom Photographs
Seismic Profiles

Table of Contents

Table of Contents

Section 1: Introduction

Section 2: Maps

Section 3: Data Collection and Processing

  • Field program
  • Interferometric Sonar
  • Sidescan Sonar
  • Seismic-Reflection Profiling
  • Ground Validation
  • Geophysical Data Processing

Section 4: Geologic Interpretation

  • Setting
  • Mapping Seafloor Geology
  • Multivariate Analysis
  • Physiographic Zones
    • Nearshore Basin
    • Rocky Zone
    • Shelf Valley
    • Nearshore Ramp
    • Bay-Mouth Shoal
  • Bottom Sediment Texture
  • Geologic Framework and Late Quaternary Evolution
  • Summary

Reference Cited

Acknowledgments

Appendix I: Geographic Information System

  • Description of layers
  • Strategy to download coverages
  • Links to metadata

Appendix II: Textural analyses

Appendix III: Bottom Photographs

Appendix IV: Seismic reflection profiles



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