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U.S. Geological Survey Open-File Report 2007-1373

High-Resolution Geologic Mapping of the Inner Continental Shelf: Cape Ann to Salisbury Beach, Massachusetts

Skip past contents informationTitle Page / Table of Contents / List of Figures / Introduction / Maps / Data Collection/Processing / Interpretation / Summary / Acknowledgments / References Cited / Appendix 1 / Appendix 2 / Appendix 3 / Appendix 4 / Appendix 5

Figure 4.9. Ternary diagrams depicting texture of surficial sediment in samples collected from the survey area. Apexes of the diagrams represent 100 percent of the labeled textural component (i.e., gravel, sand, silt, and/or clay). The upper diagram depicts 45 samples that lack gravel; the lower diagram depicts 34 samples that contain at least 0.5 percent gravel. See table 4.2 for additional information on these samples.


Figure 4.9.  Ternary diagrams depicting texture of surficial sediment in samples collected from the survey area.  Apexes of the diagrams represent 100 percent of the labeled textural component (i.e., gravel, sand, silt, and/or clay).  The upper diagram depicts 45 samples that lack gravel; the lower diagram depicts 34 samples that contain at least 0.5 percent gravel.  See table 4.2 for additional information on these samples.

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