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Author: William Harold Fritz Publisher: ISBN: Category : Science Languages : en Pages : 76
Book Description
This paper is an expansion of Charles D. Walcott's project of describing a Lower Cambrian subfauna' from the Mount Robson area. The paper demonstrates that Walcott's fossils came from two zones, and that the area of research is unfinished. It describes previous investigations in this area of Mount Robson and the local biostratigraphy and locality 61k, and regional correlations. It then presents a systematic paleontology of the family Olenellidea, the family Nevadiidae, and the family Wanneriidae.
Author: William Harold Fritz Publisher: ISBN: Category : Science Languages : en Pages : 76
Book Description
This paper is an expansion of Charles D. Walcott's project of describing a Lower Cambrian subfauna' from the Mount Robson area. The paper demonstrates that Walcott's fossils came from two zones, and that the area of research is unfinished. It describes previous investigations in this area of Mount Robson and the local biostratigraphy and locality 61k, and regional correlations. It then presents a systematic paleontology of the family Olenellidea, the family Nevadiidae, and the family Wanneriidae.
Author: Felix Gradstein Publisher: Elsevier ISBN: 0128243619 Category : Science Languages : en Pages : 1393
Book Description
Geologic Time Scale 2020 (2 volume set) contains contributions from 80+ leading scientists who present syntheses in an easy-to-understand format that includes numerous color charts, maps and photographs. In addition to detailed overviews of chronostratigraphy, evolution, geochemistry, sequence stratigraphy and planetary geology, the GTS2020 volumes have separate chapters on each geologic period with compilations of the history of divisions, the current GSSPs (global boundary stratotypes), detailed bio-geochem-sequence correlation charts, and derivation of the age models. The authors are on the forefront of chronostratigraphic research and initiatives surrounding the creation of an international geologic time scale. The included charts display the most up-to-date, international standard as ratified by the International Commission on Stratigraphy and the International Union of Geological Sciences. As the framework for deciphering the history of our planet Earth, this book is essential for practicing Earth Scientists and academics. - Completely updated geologic time scale - Provides the most detailed integrated geologic time scale available that compiles and synthesize information in one reference - Gives insights on the construction, strengths and limitations of the geological time scale that greatly enhances its function and its utility
Author: F M Gradstein Publisher: Elsevier ISBN: 0444594256 Category : Science Languages : en Pages : 1176
Book Description
The Geologic Time Scale 2012, winner of a 2012 PROSE Award Honorable Mention for Best Multi-volume Reference in Science from the Association of American Publishers, is the framework for deciphering the history of our planet Earth. The authors have been at the forefront of chronostratigraphic research and initiatives to create an international geologic time scale for many years, and the charts in this book present the most up-to-date, international standard, as ratified by the International Commission on Stratigraphy and the International Union of Geological Sciences. This 2012 geologic time scale is an enhanced, improved and expanded version of the GTS2004, including chapters on planetary scales, the Cryogenian-Ediacaran periods/systems, a prehistory scale of human development, a survey of sequence stratigraphy, and an extensive compilation of stable-isotope chemostratigraphy. This book is an essential reference for all geoscientists, including researchers, students, and petroleum and mining professionals. The presentation is non-technical and illustrated with numerous colour charts, maps and photographs. The book also includes a detachable wall chart of the complete time scale for use as a handy reference in the office, laboratory or field. The most detailed international geologic time scale available that contextualizes information in one single reference for quick desktop access Gives insights in the construction, strengths, and limitations of the geological time scale that greatly enhances its function and its utility Aids understanding by combining with the mathematical and statistical methods to scaled composites of global succession of events Meets the needs of a range of users at various points in the workflow (researchers extracting linear time from rock records, students recognizing the geologic stage by their content)
Author: William Harold Fritz
Author: William Harold Fritz
Author: Mark R. Blaker
Author: Felix Gradstein
Author: Mark Webster
Author: F M Gradstein
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Author: Felix M. Gradstein