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U.S. Geological Survey Open-File Report 2011–1005

Surficial Geology of the Sea Floor in Central Rhode Island Sound Southeast of Point Judith, Rhode Island


Skip past contents information Title | List of Figures | Conversion Factors | Abstract | Introduction | Setting | Methods | Bathymetry | Sediments | Bottom Photography | GIS Data Catalog | Summary | Acknowledgments | References | Contacts


Figure 9. Chart showing grain size relationships.

Figure 9. Chart showing the relations among phi sizes, millimeter diameters, size classifications (Wentworth, 1922), and American Society for Testing and Materials and Tyler sieve sizes. Chart also shows the corresponding intermediate diameters, grains per milligram, settling velocities, and threshold velocities for traction.

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