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The GeoRef database covers the geology of North America from 1693 to the present and the geology of the rest of the world from 1933 to the present. The database contains over 2.6 million references to geoscience journal articles, books, maps, conference papers and reports. It also includes references to all publications of the U.S. Geological Survey. Masters' theses and doctoral dissertations from US and Canadian universities are covered as well.

The GeoRef database includes access to GeoRef In Process.

The GeoRef In Process database contains records that are in the process of being indexed prior to their integration in the main GeoRef database.

GeoRef can also be searched on the GeoScience World platform along with GeoScience World journals. Please refer to GeoScience World.


Click on the "Help" link in the upper right corner of any screen.

For help using these indexes see: How do I find an article on my topic?

User tools and features

RSS feeds and alerts; RefWorks citation tool; ProQuest My Research account to save, tag, organize and share research.

Dates covered

1693 - present (North America coverage); 1933 - present (Worldwide coverage)

Updating frequency

Biweekly with approximately 3,000 new records added per update.


The database includes: publications of the U.S. Geological Survey; subject-related dissertations and theses from the U.S. and Canada; international scholarly journals; monographs; reports; conference proceedings; and maps.

Type of coverage

Bibliographic citations and abstracts.

Print counterpart or
related resources

Includes citations from the print publications: Bibliography and index of geology; Geophysical abstracts (Washington, D.C.); Bibliography of North American geology (including its earlier titles); and: Bibliography and index of geology exclusive of North America; with additional citations from other sources.

Producer/content provider

American Geological Institute (AGI)

Vendor/electronic presentation provider