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Background

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Geologic Map Symbolization

• FGDC standard:
  • in PDF format (with guidance and background documentation)
  • Postscript files (available Summer, 2008)
  • ESRI implementation (available Winter, 2008)
  • draft, superseded version, still available as Postscript files in USGS OFR 99-430
  • Development and public review of the FGDC standard
  • FGDC standard for describing scientific and locational accuracy of geologic features
  • background information, for the FGDC standard
• Colors used for the International Stratigraphic Chart (see http://www.stratigraphy.org/)
  • in USGS color scheme (about 70KB)
  • in Commission for the Geological Map of the World color scheme (about 70KB)

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Geologic Time Scales

• USGS Divisions of Geologic Time
  • PDF format
  • Time Scale colors, for Adobe Illustrator swatch library (coming soon!)
• International Commission on Stratigraphy (http://www.stratigraphy.org/)
  • in USGS color scheme (about 700KB)
  • in Commission for the Geological Map of the World color scheme (about 700KB)

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Geologic Map Database

     DATA MODEL --

• International Data Model Working Group (sponsored by the IUGS CGI)
• NADM Conceptual Model 1.0
• ESRI Geology Data Model (see links under their "Geology" page, especially to NGMDB geologic map feature class model)
• North American Data Model Steering Committee ("NADM")
• NADM Data Model Design Technical Team
• Report of the North American Data Model Steering Committee (2001)
• Report of the AASG/USGS/GSC Data Model Working Group (1998)
• background

     SCIENCE TERMINOLOGY --

• Report on progress to develop a North American Science-Language Standard for digital geologic-map databases
  (includes all NADM SLTT reports listed separately below):
  • Appendix A. Philosophical and operational guidelines for developing a North American science-language standard for digital geologic-map databases.
    [ PDF - 784 KB | Microsoft Word - 392 KB ]
  • Appendix B. Classification of metamorphic and other composite-genesis rocks, including hydrothermally altered, impact-metamorphic, mylonitic, and cataclastic rocks.
    [ PDF - 2.8 MB | Microsoft Word - 332 KB | Microsoft Access glossary of terms - 200KB ]
  • Appendix C. Sedimentary materials: Science language for their classification, description, and interpretation in digital geologic-map databases.
    [PDF - 36.4 MB | Microsoft Word-Adobe Illustrator - 47.7 MB ] This file includes:
    • Appendix C1. Report[ p. 1-267 ]
    • Graphics accompanying Appendix C1.[ p. 268-359 ]
    • Appendix C2. Glossary of sedimentary terms[ p. 360-514 ]
    • Appendix C3. Alphabetic listing of sedimentary deposit types[ p. 515-528 ]
    • Appendix C4. Cumulative picklist of sedimentary terms and attributes[ p. 529-595 ]
  • Appendix D. Volcanic materials: Science language for their naming and characterization in digital geologic-map databases.
    [ PDF - 168 KB | Microsoft Word - 100 KB | Microsoft Excel picklist of volcanic terms - 24 KB ]
• NADM Science Language Technical Team
• Geoscience Terminology Development for the NGMDB
• Tools for Managing and Referencing Taxonomies

     DATA INTERCHANGE FORMAT --

• GeoSciML (the IUGS CGI Datamodel and Encoding Working Group)
• NADM Data Interchange Technical Team
• GML encoding of NADM C1
• XML Encoding of NADM

     DATABASE IMPLEMENTATIONS --

• NGMDB Geologic Map Feature Class Model
• Implementing NADM C1 for the National Geologic Map Database
• Map Database Implementation in ESRI Geodatabase
• NGMDB - Kentucky prototype (overview)
• NGMDB - Kentucky prototype (data model design)
• Yellowstone prototype (2000)
• General plan

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Map Publication Guidelines

• Guidelines for STATEMAP products
• STATEMAP Request for Proposals
• Policy for USGS products
• Map authorship and citation guidelines
• background

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Digital Mapping Techniques

• Proceedings volumes, 1997-2007
• background

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Metadata

• Tools and information
• background

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