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Stratigraphy
Branch of geology concerned with the study of the formation, composition, ordering in time, and arrangement in space of stratified rocks.
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Results 1 - 8 of 8 listed by similarity [list alphabetically]
1999 resource assessment of selected Tertiary coal beds and zones in the northern Rocky Mountains and Great Plains region. [New Window]
Coal resources, stratigraphy, geochemistry, coal quality and geology of Tertiary coal beds and zones in the northern Rocky Mountains and Great Plains regions. Text in PDF format and available on CD-ROM.
Core Research Center [New Window]
Overview of the Core Research Center (CRC) in Denver for preserving valuable rock cores for permanent storage and making the cores available for examination and testing. Includes links to services, well reports, and resources.
Fossils, rocks, and time [New Window]
Booklet describes how paleontologists use the identification of fossils to recognize rocks of the same or different ages.
Geologic framework of the central Death Valley region [New Window]
Description of a multi-disciplinary effort to develop an integrated tectonic, geologic, and hydrogeologic data model for the central and southern Death Valley area with links to geologic map index, location maps, and 1999 conference.
Maps On Demand: limited printing of digitally supported U.S. Geological Survey maps and reports [New Window]
The USGS provides map-on-demand (MOD) printing for selected infrequently requested geologic and other theme map products providing high-quality paper-copy maps as needed. Site links to available map products with thumbnail views and how to order.
National Geologic Map Database Geologic Names Lexicon GEOLEX [New Window]
Search tool for locating lithologic and geochronologic unit names for geologic studies.
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.
Western lake catchment systems - Bear Lake region, Idaho-Utah [New Window]
Homepage for project on Bear Lake, Idaho-Utah, to study past climate change and effect on lake catchment basins. Includes link to summary, personnel, geology, methods used including coring and seismic surveying, and publications.


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