Author: James Russell Ehrets
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 136

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Author: Donald L. Woodrow
Publisher: Geological Society of America
ISBN: 0813722012
Category : Science
Languages : en
Pages : 256

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Author: Geological Society of London
Publisher: Geological Society of London
ISBN: 9781862390713
Category : Nature
Languages : en
Pages : 644

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Author: Jeff Over
Publisher: Elsevier
ISBN: 0080457843
Category : Science
Languages : en
Pages : 343

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Book Description
The Late Devonian and Permian-Triassic intervals are among the most dynamic episodes of Earth history, marked by large secular changes in continental ecosystems, dramatic fluctuations in ocean oxygenation, major phases of biotic turnover, volcanism, bolide impact events, and rapid fluctuations in stable isotope systems and sea level. This volume highlights contributions from a broad range of geological sub-disciplines currently striving to understand these critical intervals of geologically rapid, global-scale changes.* Provides updated, current models for the mid-Late Devonian and Permian-Triassic mass extinction episodes* Highlights several new analytical approaches for developing quantitative datasets* Takes an integrated approach presenting datasets from a broad range of sub-disciplines

Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 60

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Author: John W. Cosgrove
Publisher: Geological Society of London
ISBN: 9781862391659
Category : Science
Languages : en
Pages : 340

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This volume is a state of the art look at our understanding of joint development in the crust. Answers are provided for such questions as the mechanisms by which joints are initiated, the factors controlling the path they follow during the propagation process, and the processes responsible for the arrest of joints. Many of the answers to these questions can be inferred from the geometry of joint surface morphology and joint patterns. Joints are a record of the orientation of stress at the time of propagation and as such they are also useful records of ancient stress fields, regional and local. Because outcrop and subsurface views of joints are limited, statistical techniques are required to characterize joints and joint sets. Finally, joints are subject to post-propagation stresses that further localize deformation and are the focus for the development of new structures.

Author: Ian W. D. Dalziel
Publisher:
ISBN: 9780813722009
Category : Science
Languages : en
Pages : 406

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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 264

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Author: P. L. DeBoer
Publisher: John Wiley & Sons
ISBN: 1444304046
Category : Science
Languages : en
Pages : 583

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Book Description
Classically orbital cycles have been recognized in pelagic and lacustrine sequences characterized by quiet sedimentation, not disturbed by tectonics. Hoiwever, there is now increasing recognition that orbital cycles do influence climate and oceanography in general terms. There is also increasing acceptance of the possibility at least that the effect should be felt over large parts of the Earth's surface and that orbital cycles may well leave signs in other sedimentary environments that are commonly considered to be dominated by tectonics and eustasy. Containing thirty-one papers from a symposium held at the International Sedimentological Congress in Nottingham in 1990, this volume spans a range of topics from the astronomical theory behind orbital forcing, to field studies dealing with a broad range of sedimentary environments, and to modelling and simulation. State-of-the-art research papers. International expert authorship. The latest research in the highly topical subject of orbital forcing.

Author:
Publisher:
ISBN:
Category : Gas wells
Languages : en
Pages : 464

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