GeoRef indexes journal articles, books, maps, conference papers reports, and theses covering subjects such as mineralogy and crystallography, general mineralogy, mineralogy of silicates, and mineralogy of non-silicates. Geology of North America is covered from 1785 to the present. Geology of the world is covered from 1933 to the present.

Web of Science Core Collection provides access to the world's leading citation databases. Authoritative, multidisciplinary content covers journals worldwide, including Open Access journals and conference proceedings. Includes current and retrospective coverage in the sciences, social sciences, arts, and humanities, with coverage to 1900.