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The Phanerozoic calendar of the history of the earth is composed of fundamental units called stages. A priority of the International Commission on Stratigraphy is to redefine these stages using a modern approach. This work presents a unique solution to the previously debated and diversified locations of the Campanian-Maastrichtian boundary, providing a precise correlation using the most accepted known time markers. The Campanian and the Maastrichtian are the last two stages of the Cretaceous System. This volume includes a large amount of previously unpublished stratigraphical data. With the use of uncertainty margins for observations, established by comparison of results obtained by various experts using different approaches for the same stratigraphical tool, a new approach to stratigraphical information was employed. While most of the data have been taken from the recently rediscovered geological site at Tercis, France, data from other sections around the world have been considered. The section studied at Tercis is the best stratigraphical record on Earth for the period of several million years across the Campanian-Maastrichtian boundary.
Sequence stratigraphy is a powerful tool for the prediction of depositional porosity and permeability, but does not account for the impact of diagenesis on these reservoir parameters. Therefore, integrating diagenesis and sequence stratigraphy can provide a better way of predicting reservoir quality. This special publication consists of 19 papers (reviews and case studies) exploring different aspects of the integration of diagenesis and sequence stratigraphy in carbonate, siliciclastic, and mixed carbonate-siliciclastic successions from various geological settings. This book will be of interest to sedimentary petrologists aiming to understand the distribution of diagenesis in siliciclastic and carbonate successions, to sequence stratigraphers who can use diagenetic features to recognize and verify interpreted key stratigraphic surfaces, and to petroleum geologists who wish to develop more realistic conceptual models for the spatial and temporal distribution of reservoir quality. This book is part of the International Association of Sedimentologists (IAS) Special Publications. The Special Publications from the IAS are a set of thematic volumes edited by specialists on subjects of central interest to sedimentologists. Papers are reviewed and printed to the same high standards as those published in the journal Sedimentology and several of these volumes have become standard works of reference.
This is the opening volume of a series that represents the first modern, extensive study of the planktic foraminifera of the Late Cretaceous Age. This group of microscopical single-celled protistans are the most used in the biostratigraphy of the Upper Cretaceous successions, and, from this perspective, this book is of paramount importance for specialists in oil industry and academia. This first volume is dedicated to one iconic group of planktics, the globotruncanids. It describes 61 species that are grouped into thirteen genera, illustrating them with high-quality photographs that emphasize the spectacular morphology of this foraminiferal group. With emphasis on the test ultrastructures and high-detail morphological characters in concert with the features pertaining of the general test architecture, this work provides the most comprehensive perspective on this group of foraminifera. The work will provide specialists and students with a wealth of ready-to-use data in a wide array of applications, from biostratigraphy to evolution.
A new detailed international geologic time scale, including methodology and a wallchart.
The Geologic Time Scale 2012, winner of a 2012 PROSE Award Honorable Mention for Best Multi-volume Reference in Science from the Association of American Publishers, is the framework for deciphering the history of our planet Earth. The authors have been at the forefront of chronostratigraphic research and initiatives to create an international geologic time scale for many years, and the charts in this book present the most up-to-date, international standard, as ratified by the International Commission on Stratigraphy and the International Union of Geological Sciences. This 2012 geologic time scale is an enhanced, improved and expanded version of the GTS2004, including chapters on planetary scales, the Cryogenian-Ediacaran periods/systems, a prehistory scale of human development, a survey of sequence stratigraphy, and an extensive compilation of stable-isotope chemostratigraphy. This book is an essential reference for all geoscientists, including researchers, students, and petroleum and mining professionals. The presentation is non-technical and illustrated with numerous colour charts, maps and photographs. The book also includes a detachable wall chart of the complete time scale for use as a handy reference in the office, laboratory or field. The most detailed international geologic time scale available that contextualizes information in one single reference for quick desktop access Gives insights in the construction, strengths, and limitations of the geological time scale that greatly enhances its function and its utility Aids understanding by combining with the mathematical and statistical methods to scaled composites of global succession of events Meets the needs of a range of users at various points in the workflow (researchers extracting linear time from rock records, students recognizing the geologic stage by their content)
What is the past? It is a time as well as a place. Acclaimed author Peter D. Ward describes the tools that contemporary scientists use to uncover facts about the past - terrain, climate, and the life forms that once inhabited this planet. Time Machines presents fascinating profiles of the deep past and the scientists who are making it come alive. "...for the general reader, Time Machines may be the most interesting book yet by the University of Washington prof..." -SEATTLE WEEKLY "For anyone interested in how and why as well as the what of paleontology, Time Machines is a must read."-AMERICAN SCIENTIST
Magnetic Stratigraphy is the most comprehensive book written in the English language on the subject of magnetic polarity stratigraphy and time scales. This volume presents the entirety of the known geomagneticrecord, which now extends back about 300 million years. The book includes the results of current research on sea floor spreading, magnetic stratigraphy of the Pliocene and Pleistocene, and postulations on the Paleozoic. Also included are both historicalbackground and applications of magnetostratigraphy. Individual chapters on correlation are presented, using changes in magnetic properties and secular variation.Key Features* Discusses pioneering work in the use of marine sediments to investigate the Earths magnetic field* Serves as a guide for students wishing to begin studies in magnetostratigraphy* Provides a comprehensive guide to magnetic polarity stratigraphy including up-to-date geomagnetic polarity time scales* Correlates magnetic stratigraphics from marine and non-marine Cenozoic sequences* Details reversal history of the magnetic field for the last 350 million years* Discusses correlation using magnetic dipole intensity changes* Up-to-date correlation of biostratigraphy with magnetic stratigraphy through the late Jurassic