Maps depicting geological characteristics of the earth's surface, including lithology, geologic structure, age, and the results of crustal processes.
Magnetic and gravity anomaly maps of West Virginia [ More info] Colored map in two parts and text in PDF files requiring Adobe Acrobat Reader 3.0 to view.
Map and database of Quaternary faults and folds in Colombia and its offshore regions [ More info] PDF file of map of Quaternary faults and folds in Columbia prepared as part of the World Map of Major Active Faults with locations, ages, and activity rates of major earthquake-related features accompanied by database of description and activity.
Map showing geology, oil and gas fields and geologic provinces of Africa, ver. 2.0 [ More info] Digitally compiled interactive maps with links to metadata, descriptions of map units, and data files.
National Cooperative Geologic Mapping Program [ More info] Geological mapping carried out by USGS in close cooperation with state, university, and federal partners. Includes general information about geological maps and mapping standards.
National Geologic Map Database Catalog [ More info] Search tool for locating print and online U.S. geologic maps by area, title, author, etc.
North Cascades National Park geology, a mountain mosaic [ More info] Homepage for information on geology of the North Cascades National Park in the state of Washington. Includes links to geologic story, geologic field trips, geologic maps, plate tectonics, rocks and minerals, geologic time, and glossary.
Pacific Northwest geologic mapping and urban hazards [ More info] Overview of the Pacific Northwest Urban Corridor Geologic Mapping Program concerned with geology and urban hazards with links to online geologic maps, current research, publications, and contacts.
Pacific Northwest geologic mapping and urban hazards [ More info] Description of research underway in the Pacific Northwest including geologic mapping and urban hazards studies with links to geologic maps, publications, and data.
Preliminary geologic map of the Santa Barbara coastal plain area, Santa Barbara County, California [ More info] A geologic map of the Santa Barbara coastal plain region in PDF format with data in GIS format (ArcInfo export, shapefile, and TIFF)
San Francisco Bay Region geology [ More info] Gateway to the geology of the San Francisco Bay region with links to geologic maps, paleontology, marine geology, earthquakes, landslides, and geophysics. Includes maps, 3-D models, and photos.
Alphabetical Index of Topics
a b c d e f g h i j k l m n o p q r s t u v w x y z