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Open-File Report 2005-1001
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 OFR 2005-1001 Home   /    Procedures    /    East-Coast Database   /    GIS Data Catalog

U.S. Geological Survey Open-File Report 2005-1001
USGS East-Coast Sediment Analysis: Procedures, Database, and GIS Data


Lithologic Symbols

Basic lithologic symbols
Chart showing basic lithologic symbols.

Basic lithologic symbols are provided as guidelines. Symbols similar to these are generally acceptable for use as patterns both on sediment distribution maps and in lithologic columnar sections, such as on core description forms. Although the symbols shown are the most commonly used symbols for each of the respective lithologies, the patterns must still be explained separately in a key. As with most graphics, users should also be mindful of the eventual publication scale when choosing line weights.

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