Prepared in cooperation with the Idaho Geological Survey and the Montana Bureau of Mines and Geology Spatial databases for the geology of the Northern Rocky Mountains - Idaho, Montana, and Washington By Michael L. Zientek, Pamela Dunlap Derkey, Robert J. Miller, J. Douglas Causey, Arthur A. Bookstrom, Mary H. Carlson, Gregory N. Green, Thomas P. Frost, David E. Boleneus, Karl V. Evans, Bradley S. Van Gosen, Anna B. Wilson, Jeremy C. Larsen, Helen Z. Kayser, William N. Kelley, and Kenneth C. Assmus Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government Open-File Report 2005-1235 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior Gale A. Norton, Secretary U.S. Geological Survey P. Patrick Leahy, Acting Director U.S. Geological Survey, Reston, Virginia 2005 For product and ordering information: World Wide Web: http://www.usgs.gov/pubprod Telephone: 1-888-ASK-USGS For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment: World Wide Web: http://www.usgs.gov Telephone: 1-888-ASK-USGS Although this report is in the public domain, permission must be secured from the individual copyright owners to reproduce any copyrighted material contained within this report. Contents Abstract .......................................................................................................................................................... 1 Introduction .................................................................................................................................................... 1 Acknowledgements ........................................................................................................................................ 2 Overview of Spatial Databases and Data Files............................................................................................... 6 Spatial databases and related files .............................................................................................................. 6 Map unit description, standardized rock terms and definitions, and related files....................................... 7 Description of spatial databases, look-up tables, and layer files .................................................................... 9 nr_geo database .......................................................................................................................................... 9 ESRI® Feature Attribute Tables .......................................................................................................... 12 ESRI® INFO Tables for classifying original and regional map units .................................................. 13 NR_GEO.MU TABLE............................................................................................................................ 13 NR_GEO.LITH TABLE.......................................................................................................................... 15 NR_GEO.UN TABLE ............................................................................................................................ 17 NR_GEO.BIB TABLE............................................................................................................................ 19 NR_GEO.LCD TABLE........................................................................................................................... 20 ESRI® INFO Tables for describing igneous map units ....................................................................... 21 NR_GEO.IGMU TABLE ........................................................................................................................ 21 ESRI® INFO Tables for describing named igneous intrusions or volcanic units ................................ 21 NR_GEO.IGPNAM TABLE .................................................................................................................... 22 NR_GEO.IGANAM TABLE.................................................................................................................... 23 nr_maps and nr_extent databases ............................................................................................................. 23 nr_basemap image.................................................................................................................................... 26 Non-Spatial Data Files included with the Compilation ................................................................................ 26 Map-unit descriptions............................................................................................................................... 26 Database and File Quality ............................................................................................................................ 27 Constraints that affect the use of the database.............................................................................................. 28 References cited ........................................................................................................................................... 28 Figures Figure 1. Map showing the extent of the regional geologic spatial database (solid lines and gray-filled polygons), lands managed by the U.S. Forest Service (green polygons), state outlines, interstate highways (red lines), and cities. ....................................................................................................... 3 Figure 2. Index of the 43 geologic maps used as the principal source of information for the regional geologic spatial database.................................................................................................................. 4 Figure 3. Map showing the extent of the regional geologic spatial database (solid line) and the Northern Rocky Mountains physiographic province (dashed line) on a hillshaded image of a digital elevation model symbolized by elevation ........................................................................................ 5 Figure 4. Relationships between the arc attribute table (NR_GEO arc) and associated look-up tables (NR_GEO.BIB, NR_GEO.IGANAM, NR_GEO.IGMU, NR_GEO.LCD, and NR_GEO.MU) in the NR_GEO geologic map database ................................................................................................................... 10 iii Figure 5. Relationships between the polygon attribute table (NR_GEO polygon) and associated look-up tables (NR_GEO.BIB, NR_GEO.IGPNAM, NR_GEO.IGMU, NR_GEO.LITH, NR_GEO.MU, and NR_GEO.UN) in the NR_GEO geologic map database............................................................................................ 11 Figure 6. Maps symbolized to show the classification of the Wallace Formation using different items in look-up tables for the ArcInfo® coverage NR_GEO........................................................................ 16 Figure 7. Lithologic map derived by symbolizing attributes in the field lname_2 in the table NR_GEO.LITH for the regional spatial database. .................................................................................................... 18 Figure 8. Maps symbolized to show the classification of igneous intrusive rocks using different items in look-up tables for the ArcInfo® coverage NR_GEO........................................................................ 24 Tables Table 1. Description of the spatial databases prepared for the Northern Rocky Mountains compilation....... 6 Table 2. List and description of digital files developed for this report........................................................... 7 Table 3. Summary of the ArcInfo® feature attribute table NR_GEO.PAT...................................................... 12 Table 4. Summary of the ArcInfo® feature attribute table NR_GEO.AAT. .................................................... 13 Table 5. Summary of the ArcInfo® look-up table NR_GEO.MU.................................................................... 14 Table 6. Summary of the ArcInfo® look-up table NR_GEO.LITH. ................................................................ 17 Table 7. Summary of the ArcInfo® look-up table NR_GEO.UN. ................................................................... 19 Table 8. Summary of the ArcInfo® look-up table NR_GEO.BIB. .................................................................. 20 Table 9. Summary of the ArcInfo® look-up table NR_GEO.LCD. ................................................................. 20 Table 10. Summary of the ArcInfo® look-up table NR_GEO.IGMU. ............................................................. 21 Table 11. Summary of the ArcInfo® look-up table NR_GEO.IGPNAM. ......................................................... 22 Table 12. Summary of the ArcInfo® look-up table NR_GEO.IGANAM.......................................................... 25 Table 13. Summary of the user defined items in the ArcInfo® feature attribute table NR_MAPS.PAT.......... 25 Table 14. Summary of the user defined item in the ArcInfo® feature attribute table NR_EXTENT.PAT........ 25 Table 15. Summary of quality assurance tests applied to the databases....................................................... 27 Table 16. Summary of issues that affect use of the ArcInfo® coverage NR_GEO. ....................................... 28 Appendices Appendix A. Map Symbolization (layer files).............................................................................................