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Biostratigraphy
Branch of geology concerned with the separation and differentiation of rock units based on the fossils they contain.
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Results 1 - 9 of 9 listed by similarity [list alphabetically]
Diatoms: applications [New Window]
Use of diatoms in biostratigraphy, coastal and estuarine studies, paleoceanology, paleoliminology, earthquake studies, environmental quality and forensic studies. Includes listing of USGS diatom projects and links to other diatom websites.
Early Paleozoic biochronology of the Great Basin, western United States [New Window]
Publication (PDF format) in three parts on the biostratigraphy and lithostratigraphy of the Ibexian Series in the North American Ordovician, with sections on the southern Egan Range, Nevada and the biostratigraphy of the eastern Great Basin.
Fossil groups: Vertebrates [New Window]
Information on vertebrate fossils and their use in paleontologic research in biostratigraphy, paleoclimatology, paleobiology, paleoecology, and earth history.
Geochronology (Western Earth Surface Processes Team) [New Window]
Description of the methods of geochronology, the science of dating, used by USGS scientists in geological research.
Major fossil groups [New Window]
Discusses how fossils can be grouped and studied by size, habitat type, and phylogenetic groups. Shows how fossil classification groups are used to solve geologic problems at the USGS.
Megafossils: vertebrates - technique of paleontological analyses [New Window]
Brief description of vertebrates and use of their fossil bones and footprints to aid in dating strata in biostratigraphy and to decipher past climates and recreate ancient ecosystems in paleoecology, paleoclimatology and paleobiogeography.
Mollusks [New Window]
Information on mollusks and uses of the identification of fossil mollusks in the fields of biostratigraphy, geochronology, paleocoeanography, paleoecology and ecosystems history. Links to experts and related USGS projects.
Online guide to the continental Cretaceous-Tertiary boundary in the Raton basin, Colorado and New Mexico [New Window]
Field guide describing the geology and paleontology of the continental Cretaceous-Tertiary boundary in the Raton basin, Colorado and New Mexico.
Paleontology at the U.S. Geological Survey [New Window]
USGS Paleontology home page documenting the wide diversity in paleontologic studies and applications within the USGS.


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