Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Oceanic Anoxic Event (OAE) 1b PDF full book. Access full book title Oceanic Anoxic Event (OAE) 1b by Isabel Urbat. Download full books in PDF and EPUB format.
Author: Isabel Urbat Publisher: Sudwestdeutscher Verlag Fur Hochschulschriften AG ISBN: 9783838117232 Category : Languages : en Pages : 172
Book Description
The Cretaceous OAE 1b is one of the major perturbations of the global carbon cycle. It is documented in Albian deposits from the Atlantic regions as well as in regions of the Western Tethys. High-resolution geochemical profiles show, that the perturbation of the carbon cycle occurred synchronously in the oceanic- and atmospheric carbon reservoirs. This is indicated by the stable isotopic composition of biomarkers for terrestrial higher plant waxes and marine algal lipids. The climate system in the tropics responded with a rapid rise in sea surface temperature (SST). Climate proxies indicate a shift towards more humid climate conditions. The effects of this major perturbation of the climate had also consequences for the biota. At the Mazagan Plateau the organic matter production increased even though the upwelling weakened probably due to an increased influx of nutrients from the adjacent African Continent. The bioproduction of the Vocontian Basin shifted towards bacterial dominated communities. These major perturbations of the carbon cycle had complex effects in different regions of the Lower Albian tropics.
Author: Isabel Urbat Publisher: Sudwestdeutscher Verlag Fur Hochschulschriften AG ISBN: 9783838117232 Category : Languages : en Pages : 172
Book Description
The Cretaceous OAE 1b is one of the major perturbations of the global carbon cycle. It is documented in Albian deposits from the Atlantic regions as well as in regions of the Western Tethys. High-resolution geochemical profiles show, that the perturbation of the carbon cycle occurred synchronously in the oceanic- and atmospheric carbon reservoirs. This is indicated by the stable isotopic composition of biomarkers for terrestrial higher plant waxes and marine algal lipids. The climate system in the tropics responded with a rapid rise in sea surface temperature (SST). Climate proxies indicate a shift towards more humid climate conditions. The effects of this major perturbation of the climate had also consequences for the biota. At the Mazagan Plateau the organic matter production increased even though the upwelling weakened probably due to an increased influx of nutrients from the adjacent African Continent. The bioproduction of the Vocontian Basin shifted towards bacterial dominated communities. These major perturbations of the carbon cycle had complex effects in different regions of the Lower Albian tropics.
Author: Nicholas Bennett Harris Publisher: SEPM Soc for Sed Geology ISBN: Category : Nature Languages : en Pages : 296
Book Description
Depositional models for organic-carbon-rich sediments have been the subjects of both great interest and great controversy for many years. These sediments serve as the ultimate source of virtually all oil and gas. They also represent the interface between biological and geological processes and provide critical evidence for the state of the atmosphere and oceans. Yet despite their importance and decades of research, the origin of these sediments remains the source of vigorous disagreement. The twelve papers in this volume represent the cutting edge of research in this topic. They explore the origin of organic-carbon-rich sediments through a variety of techniques, including sedimentology, geochemistry, paleontology and computer modeling. All papers take multidisciplinary approaches to the topic, and together, they demonstrate the complex interconnected processes that trigger the deposition of organic carbon. This book will appeal to geoscientists in many disciplines, including explorers for petroleum who need models for source rock deposition, organic and inorganic geochemists who study processes in water and sediment, sedimentologists who interpret ancient deposition environments, and climatologists and oceanographers who reconstruct the behavior of the ancient atmosphere and oceans.
Author: Robert N. Ginsburg Publisher: Springer Science & Business Media ISBN: 9780792306306 Category : Science Languages : en Pages : 390
Book Description
' this volume represents perhaps the best available report on state-of-the-science cretaceous research. Some may query the wisdom of grand schemes such as the GSGP, believing that science is best left to the imaginative individual. This useful volume offers a persuasive counter-argument. That it speaks with many voices (if not languages) is to be expected and indeed adds to its strength.' Cretaceous Research 11, 1990
Author: Richard E. Ernst Publisher: Cambridge University Press ISBN: 1316060519 Category : Science Languages : en Pages : 667
Book Description
Large igneous provinces (LIPs) are intraplate magmatic events, involving volumes of mainly mafic magma upwards of 100,000 km3, and often above 1 million km3. They are linked to continental break-up, global environmental catastrophes, regional uplift and a variety of ore deposit types. In this up-to-date, fascinating book, leading expert Richard E. Ernst explores all aspects of LIPs, beginning by introducing their definition and essential characteristics. Topics covered include continental and oceanic LIPs; their origins, structures, and geochemistry; geological and environmental effects; association with silicic, carbonatite and kimberlite magmatism; and analogues of LIPs in the Archean, and on other planets. The book concludes with an assessment of LIPs' influence on natural resources such as mineral deposits, petroleum and aquifers. This is a one-stop resource for researchers and graduate students in a wide range of disciplines, including tectonics, igneous petrology, geochemistry, geophysics, Earth history, and planetary geology, and for mining industry professionals.
Author: Thierry Adatte Publisher: Geological Society of America ISBN: 0813725445 Category : Science Languages : en Pages : 245
Book Description
"This volume covers new developments and research on mass extinctions, volcanism, and impacts. It addresses the following topics: the Central Iapetus magmatic province; thermogenic degassing in large igneous provinces; global mercury enrichment in Valanginian sediments; Guerrero-Morelos carbonate platform response to the Caribbean-Colombian Cretaceous large igneous province; implications for the Cretaceous-Paleocene boundary event in shallow platform environments and correlation to the deep sea; environmental effects of Deccan volcanism on biotic transformations and attendant Cretaceous/Paleogene boundary mass extinction in the Indian subcontinent; Deccan red boles; and factors leading to the collapse of producers during the Chicxulub impact and Deccan Traps eruptions"--
Author: John W. Snedden Publisher: Cambridge University Press ISBN: 110841902X Category : Business & Economics Languages : en Pages : 343
Book Description
A comprehensive and richly illustrated overview of the Gulf of Mexico Basin, including its reservoirs, source rocks, tectonics and evolution.
Author: Marcelle K. BouDagher-Fadel Publisher: UCL Press ISBN: 1910634263 Category : Science Languages : en Pages : 320
Book Description
The role of fossil planktonic foraminifera as markers for biostratigraphical zonation and correlation underpins most drilling of marine sedimentary sequences and is key to hydrocarbon exploration. The first - and only - book to synthesise the whole biostratigraphic and geological usefulness of planktonic foraminifera, Biostratigraphic and Geological Significance of Planktonic Foraminifera unifies existing biostratigraphic schemes and provides an improved correlation reflecting regional biogeographies.Renowned micropaleontologist Marcelle K. Boudagher-Fadel presents a comprehensive analysis of existing data on fossil planktonic foraminifera genera and their phylogenetic evolution in time and space. This important text, now in its Second Edition, is in considerable demand and is now being republished by UCL Press.
Author: Isabel Urbat
Author: Isabel Urbat
Author: P. W. Skelton
Author: Nicholas Bennett Harris
Author: Xiumian Hu
Author: Robert N. Ginsburg
Author: Richard E. Ernst
Author: Thierry Adatte
Author: Emile A. Pessagno
Author: John W. Snedden
Author: Marcelle K. BouDagher-Fadel