Toarcian Early Jurassic Ammonoids From Western North America

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Toarcian (early Jurassic) Ammonoids from Western North America

G. K. Jakobs
Toarcian early Jurassic Ammonoids from Western North America Book PDF

Author : G. K. Jakobs
Publisher : Unknown
Page : 148 pages
File Size : 40,7 Mb
Release : 1997
Category : Ammonoidea
ISBN : UIUC:30112002138912

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Toarcian (early Jurassic) Ammonoids from Western North America by G. K. Jakobs Pdf

Toarcian (Early Jurassic) strata in the Queen Charlotte Islands have yielded a well-preserved and diverse ammonite fauna that provides a framework for a regional ammonite zonation for western North America described in this report. Other localities, particularly in southern Alaska and north- western British Columbia, have provided additional material contributing to the development of this zonation, which is of prime importance in determining the age of sedimentary strata and the relative timing of tectonic events. The report describes the biostratigraphy of the five western North American Toarcian ammonite zones, the occurrence and stratigraphy of Toarcian fossil occurrences in the western Cordillera, Pacific Northwest, and Queen Charlotte Islands, and biostratigraphic correlations with other areas including Europe. Systematic paleontological descriptions are provided of fossil ammonoids. The appendix includes fossil specimen locality data.

Pliensbachian-Toarcian (Early Jurassic) Ammonoids from the Luning Embayment, West-Central Nevada, U. S. A.

Andrew Caruthers,Paul Smith,Darren Gröcke,Benjamin Gill,Theodore Them II,João P. Trabucho Alexandre
Pliensbachian Toarcian Early Jurassic Ammonoids from the Luning Embayment West Central Nevada U S A Book PDF

Author : Andrew Caruthers,Paul Smith,Darren Gröcke,Benjamin Gill,Theodore Them II,João P. Trabucho Alexandre
Publisher : Unknown
Page : 128 pages
File Size : 43,7 Mb
Release : 2018-02-28
Category : Electronic
ISBN : 0877105227

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Pliensbachian-Toarcian (Early Jurassic) Ammonoids from the Luning Embayment, West-Central Nevada, U. S. A. by Andrew Caruthers,Paul Smith,Darren Gröcke,Benjamin Gill,Theodore Them II,João P. Trabucho Alexandre Pdf

Volcanism, Impacts, and Mass Extinctions: Causes and Effects

Gerta Keller,Andrew C. Kerr
Volcanism Impacts and Mass Extinctions Causes and Effects Book PDF

Author : Gerta Keller,Andrew C. Kerr
Publisher : Geological Society of America
Page : 468 pages
File Size : 54,5 Mb
Release : 2014-09-16
Category : Science
ISBN : 9780813725055

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Volcanism, Impacts, and Mass Extinctions: Causes and Effects by Gerta Keller,Andrew C. Kerr Pdf

"Comprises articles stemming from the March 2013 international conference at London's Natural History Museum. Researchers across geological, geophysical, and biological disciplines present key results from research concerning the causes of mass extinction events"--

GAC Special Paper

Geological Association of Canada
GAC Special Paper Book PDF

Author : Geological Association of Canada
Publisher : Unknown
Page : 440 pages
File Size : 55,5 Mb
Release : 2006
Category : Geology
ISBN : 1897095147

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GAC Special Paper by Geological Association of Canada Pdf

The Jurassic of the Circum-Pacific

Gerd Ernst Gerold Westermann,Gerd E. G. Westermann
The Jurassic of the Circum Pacific Book PDF

Author : Gerd Ernst Gerold Westermann,Gerd E. G. Westermann
Publisher : Cambridge University Press
Page : 696 pages
File Size : 52,6 Mb
Release : 2005-09-15
Category : Science
ISBN : 0521019923

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The Jurassic of the Circum-Pacific by Gerd Ernst Gerold Westermann,Gerd E. G. Westermann Pdf

In this work, 60 specialists come together to discuss the regional occurrences of Jurassic rocks. Not only is this the first comprehensive synthesis of Jurassic geology and palaeontology, but it is in fact the only one of its kind for any geological system.

Geological Survey Professional Paper

Geological Survey (U.S.)
Geological Survey Professional Paper Book PDF

Author : Geological Survey (U.S.)
Publisher : Unknown
Page : 84 pages
File Size : 51,9 Mb
Release : 1981
Category : Electronic
ISBN : STANFORD:36105016825999

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Geological Survey Professional Paper by Geological Survey (U.S.) Pdf

Geological Survey Professional Paper

Anonim
Geological Survey Professional Paper Book PDF

Author : Anonim
Publisher : Unknown
Page : 334 pages
File Size : 43,6 Mb
Release : 1981
Category : Geology
ISBN : MINN:31951D00326926A

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Geological Survey Professional Paper by Anonim Pdf

Jurassic Paleobiogeography of the Conterminous United States in Its Continental Setting

Ralph Willard Imlay
Jurassic Paleobiogeography of the Conterminous United States in Its Continental Setting Book PDF

Author : Ralph Willard Imlay
Publisher : Unknown
Page : 144 pages
File Size : 47,5 Mb
Release : 1980
Category : Geology
ISBN : ERDC:35925003031744

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Jurassic Paleobiogeography of the Conterminous United States in Its Continental Setting by Ralph Willard Imlay Pdf

Paleogeographic changes in the United States during Jurassic time are revealed by the distribution, succession, and differentiation of molluscan faunas; by gross stratigraphic changes; by the position, extent, and duration of unconformities; and by comparisons with Jurassic data elsewhere in North America.

Ammonoid Paleobiology: From macroevolution to paleogeography

Christian Klug,Dieter Korn,Kenneth De Baets,Isabelle Kruta,Royal H. Mapes
Ammonoid Paleobiology From macroevolution to paleogeography Book PDF

Author : Christian Klug,Dieter Korn,Kenneth De Baets,Isabelle Kruta,Royal H. Mapes
Publisher : Springer
Page : 615 pages
File Size : 49,8 Mb
Release : 2015-07-22
Category : Science
ISBN : 9789401796330

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Ammonoid Paleobiology: From macroevolution to paleogeography by Christian Klug,Dieter Korn,Kenneth De Baets,Isabelle Kruta,Royal H. Mapes Pdf

​This two-volume work is a testament to the abiding interest and human fascination with ammonites. We offer a new model to explain the morphogenesis of septa and the shell, we explore their habitats by the content of stable isotopes in their shells, we discuss the origin and later evolution of this important clade, and we deliver hypotheses on its demise. The Ammonoidea produced a great number of species that can be used in biostratigraphy and possibly, this is the macrofossil group, which has been used the most for that purpose. Nevertheless, many aspects of their anatomy, mode of life, development or paleobiogeographic distribution are still poorly known. Themes treated are biostratigraphy, paleoecology, paleoenvironment, paleobiogeography, evolution, phylogeny, and ontogeny. Advances such as an explosion of new information about ammonites, new technologies such as isotopic analysis, tomography and virtual paleontology in general, as well as continuous discovery of new fossil finds have given us the opportunity to present a comprehensive and timely "state of the art" compilation. Moreover, it also points the way for future studies to further enhance our understanding of this endlessly fascinating group of organisms.

Ammonoid Paleobiology

Neil H. Landman,Kazushige Tanabe,Richard Arnold Davis
Ammonoid Paleobiology Book PDF

Author : Neil H. Landman,Kazushige Tanabe,Richard Arnold Davis
Publisher : Springer Science & Business Media
Page : 857 pages
File Size : 54,6 Mb
Release : 2013-11-21
Category : Science
ISBN : 9781475791532

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Ammonoid Paleobiology by Neil H. Landman,Kazushige Tanabe,Richard Arnold Davis Pdf

Renowned researchers summarize the current knowledge on ammonoid paleobiology. The book begins with a description of the systematic position of the Ammonoidea within the Cephalopoda, providing the phylogenetic framework for the rest of the book. Following discussions include soft- and hard-part morphology of ammonoids, rate of growth and ontogeny, and taphonomy and ecology. Closing chapters explore the distribution of ammonoids in time and space as well as their extinction at the end of the Cretaceous. With its diverse viewpoints and new material, this resource will benefit researchers and graduate students in paleontology, marine biology, and evolutionary biology.

Carbon Cycle and Ecosystem Response to the Jenkyns Event in the Early Toarcian (Jurassic)

M. Reolid,L.V. Duarte,E. Mattioli,W. Ruebsam
Carbon Cycle and Ecosystem Response to the Jenkyns Event in the Early Toarcian Jurassic Book PDF

Author : M. Reolid,L.V. Duarte,E. Mattioli,W. Ruebsam
Publisher : Geological Society of London
Page : 418 pages
File Size : 51,7 Mb
Release : 2021-11-30
Category : Science
ISBN : 9781786205469

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Carbon Cycle and Ecosystem Response to the Jenkyns Event in the Early Toarcian (Jurassic) by M. Reolid,L.V. Duarte,E. Mattioli,W. Ruebsam Pdf

The Toarcian Oceanic Anoxic Event, also known as the Jenkyns Event, was a hyperthermal episode which occurred during the early Toarcian (c. 183 Ma; Early Jurassic) and resulted in numerous collateral effects including global warming, enhanced weathering, sea-level change, carbonate crisis, marine anoxia–dysoxia, and a second-order mass extinction. This volume presents the last advances for understanding early Toarcian environmental changes through different disciplines: biostratigraphy, micropalaeontology, palaeontology, ichnology, palaeoecology, sedimentology, integrated stratigraphy, inorganic, organic and isotopic geochemistry, and cyclostratigraphy. The study of this abrupt climate change is critical for predicting future global changes, and for understanding the complex biogeochemical interactions through time between geosphere, atmosphere, hydrosphere and biosphere.