Homepage about the Geology Discipline with links to what's new, publications, real-time hazards information, GEODE - Geologic Data Explorer, partnerships, fellowship program, and major science programs.
Article on geology and hydrogeology of the Florida Keys with sections on Holocene and Pleistocene geology, water resources, and introduction with a brief history and overview of early studies.
Site has links to Lake Mead National Recreation Area: geologic field trips, geologic history, plate tectonics, rocks and minerals, geologic time, geologic maps, and glossary.
Site has links to Mohave National Preserve: geologic field trips, geologic history, plate tectonics, rocks and minerals, geologic time, geologic maps, and glossary.
Site has links to Sunset Crater Volcano National Monument geologic field trips, geologic history, plate tectonics, rocks and minerals, geologic time, geologic maps, and glossary.
This digital map database represents the general distribution of the geology (bedrock and surficial deposits) in San Mateo County. Accompanying text file (*.txt or *.ps) provides current information on the geologic structure and stratigraphy.
Second report of a joint project with the Tianjin Geological Academy to study sedimentary rock-hosted Au deposits in China. Links to text in PDF format with appendices in *.pdf, *.xls, *.csv, *.jpg, and *.tif formats. Also readme file of CD-ROM version.
Report on asbestos, six types of mineral fibers belonging to two mineral groups, serpentines and amphiboles,with fiber morphology, crystal structure, analytical methods, properties, mining, milling, uses, and safety factors.(PDF file,28 pp.,4.5 MB)
U.S. Department of the Interior |
U.S. Geological Survey