Tertiary Molluscan Fauna from the Yakataga District and Adjacent Areas of Southern Alaska PDF Download
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Author: Saburō Kanno
Publisher:
ISBN:
Category : Mollusks
Languages : en
Pages : 248
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Book Description
Author: Saburō Kanno
Publisher:
ISBN:
Category : Mollusks
Languages : en
Pages : 248
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Book Description
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 88
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 676
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 864
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 916
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 360
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Author: Ronald F. Turner
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 436
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Book Description
Regional, petroleum and shallow geology of the Gulf of Alaska geological province, including geohazards (earthquakes, vulcanism, extreme climatic factors) and environmental conditions. Includes historical data on hydrocarbon exploration and development.
Author: Donald R. Prothero
Publisher: Columbia University Press
ISBN: 0231127162
Category : Eocene-Oligocene boundary
Languages : en
Pages : 558
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Book Description
The marine Eocene-Oligocene transition of 34 million years ago was a critical turning point in Earth's climatic history, when the warm, high-diversity "greenhouse" world of the early Eocene ceded to the glacial, "icehouse" conditions of the early Oligocene. This book surveys the advances in stratigraphic and paleontological research and isotopic analysis made since 1989 in regard to marine deposits around the world. In particular, it summarizes the high-resolution details of the so-called doubthouse interval (roughly 45 to 34 million years ago), which is critical to testing climatic and evolutionary hypotheses about the Eocene deterioration. The authors' goals are to discuss the latest information concerning climatic and oceanographic change associated with this transition and to examine geographic and taxonomic patterns in biotic turnover that provide clues about where, when, and how fast these environmental changes happened. They address a range of topics, including the tectonic and paleogeographic setting of the Paleogene; specific issues related to the stratigraphy of shelf deposits; advances in recognizing and correlating boundary sections; trends in the expression of climate change; and patterns of faunal and floral turnover. In the process, they produce a valuable synthesis of patterns of change by latitude and environment.
Author: R.W. Barendregt
Publisher: Geological Society of America
ISBN: 0813725518
Category : Science
Languages : en
Pages : 39
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Book Description
"Meighen Island is a keystone site in the Neogene Canadian High Arctic, unique in the Beaufort Formation for its interbedded marine tongue. This volume is a comprehensive report on the biostratigraphy, age, and correlation of Meighen Island to other important Arctic localities from the standpoint of deposits exposed in the area of Bjaere Bay on the west side of the Island. The authors consider the diverse fossil macrofloras and pollen, the terrestrial and marine faunas, magnetostratigraphy, and amino acid racemization and put this site in the context of major changes in climate and geography during the Pliocene"--
Author: Martin Avery Snyder
Publisher: Academy of Natural Sciences
ISBN: 9780910006576
Category : Science
Languages : en
Pages : 440
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Book Description
