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Books and Journals
Indexes and Abstracts
- Infotrac OneFile
Index to articles in the sciences and other fields, many with full text.
- Science Direct
Index to articles from Elsevier journals in the sciences and other fields, many with full text.
- GEOLEX
USGS search tool for lithologic and geochronologic unit names
- NATIONAL GEOLOGIC MAP DATABASE
Searchable catalog of paper and digital geologic maps , mostly for the US
and related data cover: geology, hazards, earth resources, geophysics, geochemistry, geochronology, paleontology, and marine geology.
Citing your sources