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COCORP profiles from the Montana plains: The Archean cratonic crust and a lower crustal anomaly beneath the Williston basin
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1988
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Marine GeologyQuaternary PeriodEngineeringStructural GeologyGeomorphologyContinental TectonicsGeographyTectonic EvolutionGeologyEarth SciencesMontana PlainsGeological DataOrogenyWilliston BasinEarth ScienceRegional GeologyCocorp ProfilesTectonics
Research Article| December 01, 1988 COCORP profiles from the Montana plains: The Archean cratonic crust and a lower crustal anomaly beneath the Williston basin Thomas S. Latham; Thomas S. Latham 1Institute for the Study of the Continents, Snee Hail, Cornell University, Ithaca, New York 14853-1504 Search for other works by this author on: GSW Google Scholar J. Best; J. Best 2Department of Geological Sciences and Institute for the Study of the Continents, Snee Hall, Cornell University, Ithaca, New York 14853-1504 Search for other works by this author on: GSW Google Scholar T. Chaimov; T. Chaimov 2Department of Geological Sciences and Institute for the Study of the Continents, Snee Hall, Cornell University, Ithaca, New York 14853-1504 Search for other works by this author on: GSW Google Scholar J. Oliver; J. Oliver 2Department of Geological Sciences and Institute for the Study of the Continents, Snee Hall, Cornell University, Ithaca, New York 14853-1504 Search for other works by this author on: GSW Google Scholar L. Brown; L. Brown 2Department of Geological Sciences and Institute for the Study of the Continents, Snee Hall, Cornell University, Ithaca, New York 14853-1504 Search for other works by this author on: GSW Google Scholar S. Kaufman S. Kaufman 2Department of Geological Sciences and Institute for the Study of the Continents, Snee Hall, Cornell University, Ithaca, New York 14853-1504 Search for other works by this author on: GSW Google Scholar Geology (1988) 16 (12): 1073–1076. https://doi.org/10.1130/0091-7613(1988)016<1073:CPFTMP>2.3.CO;2 Article history first online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Thomas S. Latham, J. Best, T. Chaimov, J. Oliver, L. Brown, S. Kaufman; COCORP profiles from the Montana plains: The Archean cratonic crust and a lower crustal anomaly beneath the Williston basin. Geology 1988;; 16 (12): 1073–1076. doi: https://doi.org/10.1130/0091-7613(1988)016<1073:CPFTMP>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract New COCORP deep seismic reflection profiles from the Montana plains between the Rocky Mountains and the Williston basin image the crystalline continental basement of the Archean Wyoming cratonic province on a regional scale. The crust is, in general, reflective throughout its entire thickness. West of the Williston basin, the crust-mantle boundary is at the base of the reflective zone and is not marked by the presence of any distinctive reflections. The lowermost crust beneath the Williston basin is, in contrast, characterized by a prominent, laterally extensive zone of relatively high-amplitude reflections. If, as the spatial correlation suggests, the anomalously reflective lower crustal zone is causally related to the subsidence of the basin, then the data place constraints in addition to those of the sedimentary record on physical models for the evolution of the Williston basin. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.