GeoRef Thesaurus Lists
These GeoRef lists provide information on the classification schemes used in GeoRef’s controlled vocabulary. Most lists provide both an alphabetical and an hierarchical list for browsing. Search tips are also provided.
- List A GeoRef Categories/Subjects covered
- List B Age dating methods
- List C Commodities
- List D Chemical hierarchies, methods, and data terms
- List E Geologic age (stratigraphic) terms
- List F Fossils
- List G Meteorites
- List H Igneous rocks
- List I Sedimentary rocks
- List J Metamorphic rocks
- List K Sedimentary structures
- List L Minerals
- List M Soils
- List N Sediments
- List O Geographic terms
- List P Major terms
- List R Rock units
Please send comments or requests for information to GeoRef at thesauruseditor@americangeosciences.org.