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A Stratigraphic Review And Analysis For Selected Marine And Terrestrial Sections Spanning The Cretaceous Tertiary Boundary
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Book Synopsis A Stratigraphic Review and Analysis for Selected Marine and Terrestrial Sections Spanning the Cretaceous-tertiary Boundary by : Lowell Wilson Dingus
Download or read book A Stratigraphic Review and Analysis for Selected Marine and Terrestrial Sections Spanning the Cretaceous-tertiary Boundary written by Lowell Wilson Dingus and published by . This book was released on 1983 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Stratigraphic Review and Analysis for Selected Marine and Terrestial Sections Spanning the Cretaceous-Tertiary Boundary by : Lowell Dingus
Download or read book A Stratigraphic Review and Analysis for Selected Marine and Terrestial Sections Spanning the Cretaceous-Tertiary Boundary written by Lowell Dingus and published by . This book was released on 1983 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Bug Creek Problem and the Cretaceous-Tertiary Transition at McGuire Creek, Montana by : Donald L. Lofgren
Download or read book The Bug Creek Problem and the Cretaceous-Tertiary Transition at McGuire Creek, Montana written by Donald L. Lofgren and published by Univ of California Press. This book was released on 1995-08-31 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bug Creek assemblages from Montana, transitional in composition between typical Cretaceous and Paleocene vertebrate faunas, are critical to K-T extinction debates because they have been used to support both gradual and catastrophic K-T extinction scenarios. Geological and palynological data from McGuire Creek indicate that Bug Creek assemblages are Paleocene and restricted to channel fills entrenched into older sediments, suggesting that the Cretaceous component of the assemblage was reworked. Thus, the author concludes, "Paleocene dinosaurs" are an illusion and the K-T survival rate of mammals is low because the presence of Cretaceous mammals in Bug Creek assemblages is also the result of reworking.
Book Synopsis Non-dinosaurian Lower Vertebrates Across the Cretaceous-Tertiary Boundary in Northeastern Montana by : Laurie J. Bryant
Download or read book Non-dinosaurian Lower Vertebrates Across the Cretaceous-Tertiary Boundary in Northeastern Montana written by Laurie J. Bryant and published by Univ of California Press. This book was released on 1989-01-01 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: 00 This study presents current data on vertebrate survival and extinction across the Cretaceous-Tertiary boundary in Montana. Nearly all the common taxa of reptiles (except dinosaurs), amphibians, and fish survived the end of the Cretaceous Period; extinctions were concentrated among rare groups and those found in near-shore habitats. The author concludes that ocean regression and climatic deterioration may explain these selective extinction patterns better than catastrophic hypotheses. This study presents current data on vertebrate survival and extinction across the Cretaceous-Tertiary boundary in Montana. Nearly all the common taxa of reptiles (except dinosaurs), amphibians, and fish survived the end of the Cretaceous Period; extinctions were concentrated among rare groups and those found in near-shore habitats. The author concludes that ocean regression and climatic deterioration may explain these selective extinction patterns better than catastrophic hypotheses.
Book Synopsis Palynology of the Cretaceous-Tertiary Boundary in Central Montana, U.S.A., and Its Implications for Extraterrestrial Impact by : Carol Louise Hotton
Download or read book Palynology of the Cretaceous-Tertiary Boundary in Central Montana, U.S.A., and Its Implications for Extraterrestrial Impact written by Carol Louise Hotton and published by . This book was released on 1988 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt: The distribution of pollen and spores across the Cretaceous-Tertiary boundary in Garfield and McCone Counties, Montana was studied to determine whether the pattern of change in vegetation was compatible with a hypothesis of extraterrestrial impact as an agent of extinction. Fifteen sections in the (Cretaceous) Hell Creek and (Tertiary) Tullock Formations, including six boundary sections containing unusually high concentrations of iridium, were examined. Of 291 species of pollen and spores, 45 species of spores, 20 species of gymnosperms and about 225 species of angiosperms were recognized and described in Part II; these constitute the database upon which the statistical analysis in Part I rests
Book Synopsis Phanerozoic Diversity Patterns by : J. Valentine
Download or read book Phanerozoic Diversity Patterns written by J. Valentine and published by Princeton University Press. This book was released on 2014-07-14 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here twenty-one leading paleontologists use important refinements in fossil diversity data to provide critical evaluations of older hypotheses of diversification and extinction processes and to propose fresh interpretations. Originally published in 1986. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Book Synopsis Through the End of the Cretaceous in the Type Locality of the Hell Creek Formation in Montana and Adjacent Areas by : Gregory P. Wilson
Download or read book Through the End of the Cretaceous in the Type Locality of the Hell Creek Formation in Montana and Adjacent Areas written by Gregory P. Wilson and published by Geological Society of America. This book was released on 2014-01-21 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The chapters represent a surge of field and laboratory research activity, illustrating the impacts of new and refined methods and tools. This volume explores geologic and biologic history preserved in the strata bounding the Cretaceous-Paleogene boundary"--Provided by publisher.
Book Synopsis University of California Publications in Geological Sciences by : Laurie J. Bryant
Download or read book University of California Publications in Geological Sciences written by Laurie J. Bryant and published by . This book was released on 1989 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Bug Creek Problem and the Cretaceous-tertiary Transition at McGuire Creek, Montana by : Donald Lionel Lofgren
Download or read book The Bug Creek Problem and the Cretaceous-tertiary Transition at McGuire Creek, Montana written by Donald Lionel Lofgren and published by . This book was released on 1990 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Journal of Earth Sciences by :
Download or read book Canadian Journal of Earth Sciences written by and published by . This book was released on 1993 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1984 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis University of California Publications. Bulletin of the Department of Geological Sciences by : University of California, Berkeley
Download or read book University of California Publications. Bulletin of the Department of Geological Sciences written by University of California, Berkeley and published by . This book was released on 1989 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Special Papers written by and published by . This book was released on 1934 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamics of Extinction by : David K. Elliot
Download or read book Dynamics of Extinction written by David K. Elliot and published by Wiley-Interscience. This book was released on 1986-04-15 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive summary of current research and scientific thinking on the possible causes and mechanisms of large-scale periodic extinctions. Topics include the fossil record of extinctions, modern extinctions, theoretical modelling of extinction events, the periodicity of mass extinctions, modern extinctions, and more. Touches on many speculations and controversies. The articles, originally presented at a Northern Arizona University symposium at Flagstaff in 1983, have been revised and updated.
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1983 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Petroleum Abstracts written by and published by . This book was released on 1992 with total page 1716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography and Index of Geology by :
Download or read book Bibliography and Index of Geology written by and published by . This book was released on 1985 with total page 1434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
