Includes very short definitions for the most commonly used terms in the earth sciences. Encyclopedia of Field and General Geology, REF QE 5 .E515 1988. Encyclopedia of Solid Earth Sciences, REF QE 5 .E517 1993. Explanations of varying length for over 2700 terms relevant to geology and geophysics. Lengthier articles include references.
Subject index provides alternative access to the main alphabetical arrangement.
Stratigraphic Nomenclature Databases for the United States, its Possessions and Territories, DOCS I19. Includes geologic names, ages, type areas, location and description of type sections, as well as references to important papers relating to original descriptions .