Conodont Biofacies of Lower to Lower Middle Ordovician Megaconglomerates, Cow Head Group, Western Newfoundland PDF Download
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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: 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: Suzanne Margarete Luise Pohler
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 0
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Book Description
Author: Suzanne Margarete Luise Pohler
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 1090
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Book Description
Author: David Ian Johnston
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 462
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Author: Godfrey S. Nowlan
Publisher: 1973.
ISBN:
Category : Conodonts
Languages : en
Pages : 366
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Book Description
Author: Svend Sandbergh Stouge
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 826
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Book Description
Author: Alwynne Bowyer Beaudoin
Publisher: Geological Society of London
ISBN: 9781862391604
Category : Political Science
Languages : en
Pages : 370
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Book Description
This volume explores geological boundaries in time and space using palynology and micropalaeontology. Boundaries produce distinct signatures in the micropalaeontological record. They can tell us much about the response of biotic systems to environmental change in both marine and terrestrial realms. Different microfossil groups and geological contexts require their own approaches, definitions and considerations of boundaries. The papers here cover the methodology of boundary identification from biostratigraphical, ecological and palaeoenvironmental perspectives.
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: David Leigh Clark
Publisher: Geological Society of America
ISBN: 0813721962
Category : Science
Languages : en
Pages : 347
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Book Description
Author: Jacqueline A. English
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 68
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Book Description
