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Author: Donald E. Russell
Publisher:
ISBN: 9782856531402
Category : Geology, Stratigraphic
Languages : en
Pages : 488
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Book Description
Author: Donald E. Russell
Publisher:
ISBN: 9782856531402
Category : Geology, Stratigraphic
Languages : en
Pages : 488
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Book Description
Author: Brian Paul Kraatz
Publisher:
ISBN:
Category :
Languages : en
Pages : 294
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Book Description
Author: Donald E. Russell
Publisher:
ISBN:
Category : Cypriniformes
Languages : en
Pages : 616
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Book Description
Author: Trond H. Torsvik
Publisher: Cambridge University Press
ISBN: 1107105323
Category : Science
Languages : en
Pages : 329
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Book Description
This book provides a complete Phanerozoic story of palaeogeography, using new and detailed full-colour maps, to link surface and deep-Earth processes.
Author: Sunil Bajpai
Publisher: Springer
ISBN: 3319774433
Category : Science
Languages : en
Pages : 327
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Book Description
This unique book provides a concise account of Indian Paleogene and presents a unified view of the Paleogene sequences of India. The Paleogene, comprising the early part of the Cenozoic Era, was the most dynamic period in the Earth’s history with profound changes in the biosphere and geosphere. The period spans ~42 million years, beginning from post- K/T mass extinction event at ~65 Ma and ending at ~23 Ma, when the first Antarctic ice sheet appeared in the Southern Hemisphere. The early Paleogene (Paleocene–Eocene) has been considered a globally warm period, superimposed on which were several transient hyperthermal events of extreme warmth. Of these, the Palaeocene Eocene Thermal Maxima (PETM) boundary interval is the most prominent extreme warming episode, lasting 200 Ka. PETM is characterized by 2–6‰ global negative carbon isotope excursion. The event coincided with the Benthic Extinction Event (BEE) in deep sea and Larger Foraminifera Turnover (LFT) in shallow seas. Rapid ~60–80 warming of high latitudinal regions led to major faunal and floral turnovers in continental, shallow-marine and deep-marine areas. The emergence and dispersal of mammals with modern characteristics, including Artiodactyls, Perissodactyls and Primates (APP), and the evolution and expansion of tropical vegetation are some of the significant features of the Paleogene warm world. In the Indian subcontinent, the beginning and end of the Paleogene was marked by various events that shaped the various physiographic features of the Indian subcontinent. The subcontinent lay within the equatorial zone during the earliest part of the Paleogene. Carbonaceous shale, coal and lignite deposits of early Eocene age (~55.5–52 Ma) on the western and north-eastern margins of the Indian subcontinent are rich in fossils and provide information on climate as well as the evolution and paleobiogeography of tropical biota. Indian Paleogene deposits in the India–Asia collision zone also provide information pertaining to the paleogeography and timing of collision. Indian Paleogene rocks are exposed in the Himalayan and Arakan mountains; Assam and the shelf basins of Kutch–Saurashtra, Western Rajasthan; Tiruchirappalli–Pondicherry and Andaman and, though aerially limited, these rocks bear geological evidence of immense importance.
Author: Spencer G. Lucas
Publisher: New Mexico Museum of Natural History and Science
ISBN:
Category : Science
Languages : en
Pages : 227
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Book Description
Author: Tianfeng Wan
Publisher: Springer Nature
ISBN: 9811530327
Category : Science
Languages : en
Pages : 319
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Book Description
The purpose of this book is to provide a review of tectonic outlines of the Asian continent, metallogenesis rules of 242 large deposits or fields in 67 tectonic units of 6 tectonic domains in the Asia, and guidelines for the mining companies to effectively prospect the large deposits in the Asia in future. The main contents include the tectonic evolution of every tectonic unit in Asia at different geological periods, the mechanism of growth and intraplate deformation of the Asian continental lithosphere, the lithospheric types of the Asian continent, and relationship between tectonic evolution and mineralization process in the Asian continent.
Author: David J. Cantrill
Publisher: Cambridge University Press
ISBN: 113956028X
Category : Science
Languages : en
Pages : 489
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Book Description
The fossil history of plant life in Antarctica is central to our understanding of the evolution of vegetation through geological time and also plays a key role in reconstructing past configurations of the continents and associated climatic conditions. This book provides the only detailed overview of the development of Antarctic vegetation from the Devonian period to the present day, presenting Earth scientists with valuable insights into the break up of the ancient supercontinent of Gondwana. Details of specific floras and ecosystems are provided within the context of changing geological, geographical and environmental conditions, alongside comparisons with contemporaneous and modern ecosystems. The authors demonstrate how palaeobotany contributes to our understanding of the paleoenvironmental changes in the southern hemisphere during this period of Earth history. The book is a complete and up-to-date reference for researchers and students in Antarctic paleobotany and terrestrial paleoecology.
Author: Robert Hall
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 434
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Book Description
Author: Mustafa Kaya
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Unlike today's prevailing terrestrial features, the geologic past of Central Asia witnessed marine environments and conditions as well. A vast, shallow sea, known as proto-Paratethys, extended across Eurasia from the Mediterranean Tethys to the Tarim Basin in western China during Cretaceous to Paleogene times. This sea formed about 160 million years ago (during Jurassic times) when the waters of the Tethys Ocean flooded into Eurasia. It drastically retreated to the west and became isolated as the Paratethys during the Late Eocene-Oligocene (ca. 34 Ma). Having well-constrained timing and paleogeography for the Cretaceous-Paleogene proto-Paratethys sea incursions in Central Asia is essential to properly understand and distinguish the controlling mechanisms and their link to Asian paleoenvironmental and paleoclimatic change. The Cretaceous-Paleogene tectonic evolution of the Pamir and Tibet and their far-field effects play a significant role on the sedimentological and structural evolution of the Central Asian basins and on the ...
