Early Ordovician (Arenig) Conodonts from St. Pauls Inlet and Martin Point, Cow Head Group, Western Newfoundland PDF Download
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Author: David Ian Johnston
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 462
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Book Description
Author: David Ian Johnston
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 462
Get Book Here
Book Description
Author: David Ian Johnston
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 0
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Book Description
Author: Leanne J. Pyle
Publisher: NRC Research Press
ISBN: 9780660185217
Category : Conodonts
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: 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: Otto H. Walliser
Publisher: Springer Science & Business Media
ISBN: 3642796346
Category : Science
Languages : en
Pages : 455
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Book Description
The existence of rapid and even catastrophic turnovers within the Phanerozoic ecosystems has been discussed controversially for more than 170 years. Since 1980 this discussion has become even more intensive after the hypothesis of Alvarez, explaining the end-Cretaceous mass extinction as the result of a huge asteroid impact on the Earth. This theory stimulated several thousand papers and is still controversial. The international research programme on "Global Biological Events in Earth History" attempts to bring the discussion back to the facts by using multidisciplinary investigations of the major Phanerozoic events. The results of an international group of experts are presented giving a wealth of information and a thorough discussion of the causes of the various global events.
Author: Susanne Margarete Luise Pohler
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 84
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Book Description
This study contains a documentation of conodont biofacies deduced from fragments of the shelf margin facies to establish a biostratigraphic zonation and to determine conodont paleoecology of the inner marginal environment through the Arenig interval. Among clasts in the megaconglomerates, local (lower slope derived), foreign (shelf, shelf break, and upper slope derived), and older clasts were distinguished. About 300 conodont samples were collected and processed, mainly from clasts of the three conglomerate horizons. The 12,492 conodont specimens recovered represent 132 different form and multi-element species.
Author: Stanley Charles Finney
Publisher:
ISBN: 9780813724669
Category : Science
Languages : en
Pages : 208
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Book Description
"The Ordovician period is a significant chapter in Earth's history that included the great Mid-Ordovician biodiversification event, the Hirnantian glaciation, and long-term greenhouse conditions. Ordovician rocks are widespread on most continents and the recent finalization of a modern chronostratigraphic classification of the Ordovician system now facilitates high-resolution correlations that allow for integrated multidisciplinary research. The diverse papers comprising this volume address orogenesis, paleogeography, climate modeling, sedimentation, biodiversity, and isotopic excursions; together they promote an integrated view of the Ordovician earth system."--Publisher's description.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 760
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Book Description
Author: Australian Museum
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 168
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Book Description
Author:
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 570
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Book Description
