Drifting Together Or Apart?


Book Description

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The Origin of Continents and Oceans


Book Description

A source of profound influence and controversy, this landmark 1915 work explains various phenomena of historical geology, geomorphy, paleontology, paleoclimatology, and similar areas in terms of continental drift. 64 illustrations. 1966 edition.




Ancient Supercontinents and the Paleogeography of Earth


Book Description

Ancient Supercontinents and the Paleogeography of Earth offers a systematic examination of Precambrian cratons and supercontinents. Through detailed maps of drift histories and paleogeography of each continent, this book examines topics related to Earth’s tectonic evolution prior to Pangea, including plate kinematics, orogenic development, and paleoenvironments. Additionally, this book discusses the methodologies used, principally paleomagnetism and tectonostratigraphy, and addresses geophysical topics of mantle dynamics and geodynamo evolution over billions of years. Structured clearly with consistent coverage for Precambrian cratons, this book combines state-of-the-art paleomagnetic and geochronologic data to reconstruct the paleogeography of the Earth in the context of major climatic events such as global glaciations. It is an ideal, up-to-date reference for geoscientists and geographers looking for answers to questions surrounding the tectonic evolution of Earth. Provides robust paleogeographies of Precambrian cratons based on high-quality paleomagnetic and geochronologic data and critically tested by global geological datasets Includes links to updated databases for the Precambrian such as PALEOMAGIA and the Global Paleomagnetic Database (GPMDB) Presents full-color maps of the drift histories of each continent as well as their paleogeographies Discusses key questions regarding continental drift, the supercontinent cycle, and the geomagnetic dipole hypothesis and analyzes palaeography in the context of Earth’s holistic evolution




This Dynamic Earth


Book Description

In the early 1960s, the emergence of the theory of plate tectonics started a revolution in the earth sciences. Since then, scientists have verified and refined this theory, and now have a much better understanding of how our planet has been shaped by plate-tectonic processes. We now know that, directly or indirectly, plate tectonics influences nearly all geologic processes, past and present. Indeed, the notion that the entire Earth's surface is continually shifting has profoundly changed the way we view our world.




Drifting Together


Book Description

"This is one of the best accounts of Canadian-American relations to appear in many, many years." - Thomas Keating, University of Alberta




The Biology of Caves and Other Subterranean Habitats


Book Description

The second edition of this widely cited textbook continues to provide a concise but comprehensive introduction to cave and subterranean biology, describing this fascinating habitat and its biodiversity. It covers a range of biological processes including ecosystem function, evolution and adaptation, community ecology, biogeography, and conservation. The authors draw on a global range of examples and case studies from both caves and non-cave subterranean habitats. One of the barriers to the study of subterranean biology has been the extraordinarily large number of specialized terms used by researchers; the authors explain these terms clearly and minimize the number that they use. This new edition retains the same 10 chapter structure of the original, but the content has been thoroughly revised and updated throughout to reflect the huge increase in publications concerning subterranean biology over the last decade.




The Myth of Continents


Book Description

In a thoughtful and engaging critique, geographer Martin W. Lewis and historian Karen Wigen re-examine the basic geographical divisions we take for granted. Their up-to-the-minute study reflects both on the global scale and its relation to the specific continents of Europe, Asia, and Africa actually part of one contiguous landmass. Photos. maps.




Our wandering continents


Book Description

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.




The Lonely American


Book Description

In today's world, it is more acceptable to be depressed than to be lonely-yet loneliness appears to be the inevitable byproduct of our frenetic contemporary lifestyle. According to the 2004 General Social Survey, one out of four Americans talked to no one about something of importance to them during the last six months. Another remarkable fact emerged from the 2000 U.S. Census: more people are living alone today than at any point in the country's history—fully 25 percent of households consist of one person only. In this crucial look at one of America's few remaining taboo subjects—loneliness—Drs. Jacqueline Olds and Richard S. Schwartz set out to understand the cultural imperatives, psychological dynamics, and physical mechanisms underlying social isolation. In The Lonely American, cutting-edge research on the physiological and cognitive effects of social exclusion and emerging work in the neurobiology of attachment uncover startling, sobering ripple effects of loneliness in areas as varied as physical health, children's emotional problems, substance abuse, and even global warming. Surprising new studies tell a grim truth about social isolation: being disconnected diminishes happiness, health, and longevity; increases aggression; and correlates with increasing rates of violent crime. Loneliness doesn't apply simply to single people, either—today's busy parents "cocoon" themselves by devoting most of their non-work hours to children, leaving little time for friends, and other forms of social contact, and unhealthily relying on the marriage to fulfill all social needs. As a core population of socially isolated individuals and families continues to balloon in size, it is more important than ever to understand the effects of a culture that idealizes busyness and self-reliance. It's time to bring loneliness—a very real and little-discussed social epidemic with frightening consequences-out into the open, and find a way to navigate the tension between freedom and connection in our lives.




The Rejection of Continental Drift


Book Description

Why did American geologists reject the notion of continental drift, first posed in 1915? And why did British scientists view the theory as a pleasing confirmation? This text, based on archival resources, provides answers to these questions.