I. Selected Internet Resources
- A very complete, page-size, geologic time scale, from the Geological
Society of America (PDF). Get one!
- A brief
account of the basis for the geologic time scale, from the USGS.
- GEOLEX,
the huge USGS searchable database of US stratigraphic (lithologic and chronostratigraphic)
names.
II. Lab Materials
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