Resources
To help you understand the map themes, we suggest you explore these general geology and GIS resources.
- Geology
- Web Geological Time Machine
USGS - Major Divisions of Geological Time
Geologic Maps and Mapping (part of the National Cooperative Geologic Mapping Program)
Dictionary of Geologic Terms
Illustrated Glossary of Geologic Terms
A Tapestry of Time and Terrain: Geology and Topography
USGS Educational Resources For Primary Grades (K-6)
USGS Educational Resources For Secondary Grades (7-12)
USGS Educational Resources For Undergraduate Education
- Geographic Information Systems (GIS)
- Northwest GeoData Clearinghouse
Geospatial Enterprise Office
Oregon Data Standards
Oregon Geographic Information Council
DAS—Information Resources Management Division
Oregon Geospatial Data Clearinghouse
The Oregon Map
USGS Digital Raster Graphic (DRG) Maps
USGS Digital Elevation Model (DEM) Data Files - Recommended Literature on Oregon Geology
- "The other face of Oregon: Geologic processes that shape our state," by E.L. Orr and W.N. Orr, Oregon Geology, vol. 61, no. 6, p. 131.
- In Search of Ancient Oregon: A Geological and Natural History, by Ellen Morris Bishop, Timber Press, Portland, OR, 2003.
- Geology of Oregon, 5th ed., by William N. Orr and Elizabeth L. Orr, Kendall/Hunt Pub. Co., 1999.
These and many other Oregon geology publications can be purchased at Nature of the Northwest.