The Phanerozoic Carbon Cycle
The Phanerozoic Carbon Cycle

Author: Robert A. Berner

Publisher: Oxford University Press

Published: 2004-08-19

Total Pages: 158

ISBN-13: 0190291613

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The term "carbon cycle" is normally thought to mean those processes that govern the present-day transfer of carbon between life, the atmosphere, and the oceans. This book describes another carbon cycle, one which operates over millions of years and involves the transfer of carbon between rocks and the combination of life, the atmosphere, and the oceans. The weathering of silicate and carbonate rocks and ancient sedimentary organic matter (including recent, large-scale human-induced burning of fossil fuels), the burial of organic matter and carbonate minerals in sediments, and volcanic degassing of carbon dioxide contribute to this cycle. In The Phanerozoic Carbon Cycle, Robert Berner shows how carbon cycle models can be used to calculate levels of atmospheric CO[2 and O[2 over Phanerozoic time, the past 550 million years, and how results compare with independent methods. His analysis has implications for such disparate subjects as the evolution of land plants, the presence of giant ancient insects, the role of tectonics in paleoclimate, and the current debate over global warming and greenhouse gases

Chemostratigraphy Across Major Chronological Boundaries
Chemostratigraphy Across Major Chronological Boundaries

Author: Alcides N. Sial

Publisher: John Wiley & Sons

Published: 2018-12-18

Total Pages: 318

ISBN-13: 1119382483

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Winner of the 2020 PROSE Award for Earth Science! Exploring environmental changes through Earth’s geological history using chemostratigraphy Chemostratigraphy is the study of the chemical characteristics of different rock layers. Decoding this geochemical record across chronostratigraphic boundaries can provide insights into geological history, past climates, and sedimentary processes. Chemostratigraphy Across Major Chronological Boundaries presents state-of-the-art applications of chemostratigraphic methods and demonstrates how chemical signatures can decipher past environmental conditions. Volume highlights include: Presents a global perspective on chronostratigraphic boundaries Describes how different proxies can reveal distinct elemental and isotopic events in the geologic past Examines the Archaean-Paleoproterozoic, Proterozoic-Paleozoic, Paleozoic-Mesozoic, and Mesozoic-Paleogene boundaries Explores cause-and-effect through major, trace, PGE, and REE elemental, stable, and radiogenic isotopes Offers solutions to persistent chemostratigraphic problems on a micro-global scale Geared toward academic and researchgeoscientists, particularly in the fields of sedimentary petrology, stratigraphy, isotope geology, geochemistry, petroleum geology, atmospheric science, oceanography, climate change and environmental science, Chemostratigraphy Across Major Chronological Boundaries offers invaluable insights into environmental evolution and climatic change. Read the Editors' Vox: https://eos.org/editors-vox/unravelling-the-past-using-elements-and-isotopes

Carbon, Sulfur, and Strontium Isotope Stratigraphy of the Lower-Middle Ordovician, Great Basin, USA
Carbon, Sulfur, and Strontium Isotope Stratigraphy of the Lower-Middle Ordovician, Great Basin, USA

Author: Cole T. Edwards

Publisher:

Published: 2014

Total Pages:

ISBN-13:

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Long-term d13C and d34S trends indicate two pulses of oxygenation occurred during periods of increased burial rates of organic matter and pyrite. These oxygenation pulses are roughly coincident with the first major biodiversification pulses during the Middle Ordovician and suggest that increasing oxygen levels played an important role in global biodiversity. Continued research focused on resolving the precise timing of biodiversification globally or within individual basins will be able use chemostratigraphic correlation to compare with the d13C, d34S, or 87Sr/86Sr and isotopic data presented here.