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Author: Susanne Margarete Luise Pohler
Publisher: Geological Survey of Canada
ISBN:
Category : Science
Languages : en
Pages : 48
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Book Description
A total of 116 conodont collections from Upper Cambrian to Upper Ordovician rocks in the western Canadian Cordillera are reported and documented.
Author: Susanne Margarete Luise Pohler
Publisher: Geological Survey of Canada
ISBN:
Category : Science
Languages : en
Pages : 48
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Book Description
A total of 116 conodont collections from Upper Cambrian to Upper Ordovician rocks in the western Canadian Cordillera are reported and documented.
Author: Geological Survey of Canada
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 348
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Book Description
This compilation is a synthesis of Ordovician-Triassic conodont research undertaken in the Canadian Cordillera during the past decade. The studies include an overview of the record in Western Canada; a review of the paleontology; and descriptions of conodonts from the Cordillera Road River group in northern Yukon Territory, from the eastern and northern Canadian cordillera, of the Palliser Formation in the Rocky Mountains, and from the Cache Creek Complex in south-central B.C.
Author: Leanne J. Pyle
Publisher: NRC Research Press
ISBN: 9780660185217
Category : Nature
Languages : en
Pages : 248
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Book Description
Conodonts, the tiny, phosphatic, tooth-like remains of an extinct group of early vertebrates, are the most important fossil group for biostratigraphy throughout their stratigraphic range from Late Cambrian to Late Triassic. This monograph represents a benchmark study of these important zonal fossils. The detailed paleontological work not only provides a taxonomic basis for future studies on early Paleozoic conodonts but also focuses on the evolution of conodonts in the early Ordovician, a time of extraordinary adaptive radiation. The taxonomic work provides detailed descriptions and illustrations of 185 species representing 69 genera. Seven new genera and 39 new species are described. The high diversity of taxa across the platform-to-basin transect shows the biogeographic differentiation and spatial ecological partitioning of conodonts through time. The taxonomy permits the refinement to the biostratigraphic zonation within two faunal realms for British Columbia that can be correlated with schemes elsewhere in North America and also internationally.
Author:
Publisher: Natural Resources Canada
ISBN:
Category :
Languages : en
Pages : 89
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Book Description
Author: Barry D. Webby
Publisher: Columbia University Press
ISBN: 0231501633
Category : Science
Languages : en
Pages : 497
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Book Description
Two of the greatest evolutionary events in the history of life on Earth occurred during Early Paleozoic time. The first was the Cambrian explosion of skeletonized marine animals about 540 million years ago. The second was the "Great Ordovician Biodiversification Event," which is the focus of this book. During the 46-million-year Ordovician Period (489–443 m.y.), a bewildering array of adaptive radiations of "Paleozoic- and Modern-type" biotas appeared in marine habitats, the first animals (arthropods) walked on land, and the first non-vascular bryophyte-like plants (based on their cryptospore record) colonized terrestrial areas with damp environments. This book represents a compilation by a large team of Ordovician specialists from around the world, who have enthusiastically cooperated to produce this first globally orientated, internationally sponsored IGCP (International Geological Correlation Program) project on Ordovician biotas. The major part is an assembly of genus- and species-level diversity data for the many Ordovician fossil groups. The book also presents an evaluation of how each group diversified through Ordovician time, with assessments of patterns of change and rates of origination and extinction. As such, it will become the standard work and data source for biotic studies on the Ordovician Period.
Author: Jeffrey A. Bauer
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 56
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Book Description
Author:
Publisher: Academic Press
ISBN: 0128115505
Category : Science
Languages : en
Pages : 520
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Book Description
Stratigraphy and Timescales covers current research across a wide range of stratigraphic disciplines, providing information on recent developments for the geoscientific research community. This fully commissioned review publication aims to foster and convey progress in stratigraphy, including geochronology, magnetostratigraphy, lithostratigraphy, event-stratigraphy, isotope stratigraphy, astrochronology, climatostratigraphy, seismic stratigraphy, biostratigraphy, ice core chronology, cyclostratigraphy, palaeoceanography, sequence stratigraphy, and more. - Contains contributions from leading authorities in the field - Informs and updates on all the latest developments in the field - Aims to foster and convey progress in stratigraphy, including geochronology, magnetostratigraphy, lithostratigraphy, event-stratigraphy, and more
Author: Geological Survey of Canada
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 310
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Book Description
Author: Geological Survey of Canada
Publisher: Geological Survey of Canada, 1992 [i.e. 1991]
ISBN:
Category : Science
Languages : en
Pages : 880
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 536
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Book Description
