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Geology and Geochemistry of Molybdenum Deposits in the Qinling Orogen, P R China
This book is the first systematic treatise of available data and view-points obtained from geological and geochemical studies of the Mo deposits in Qinling Orogen, China. Qinling Orogen has a minimum reserve of 8.7 Mt Mo, ranking the largest molybdenum province both in China and the world. Incorporating all known Mo deposit types in the world, it presents extensive studies of Mo deposits of world-class and unusual types within tectonic settings. The Qinling Orogen was finally formed during continental collision between Yangtze and North China cratons, following the Triassic closure of the northernmost paleo-Tethys. It hosts 49 Mo deposits formed in seven mineralization events since 1850 Ma, ...
The Nature of Life and Its Potential to Survive
This book looks at the persistence of life and how difficult it would be to annihilate life, especially a species as successful as humanity. The idea that life in general is fragile is challenged by the hardiness of microbes, which shows that astrobiology on exoplanets and other satellites must be robust and plentiful. Microbes have adapted to virtually every niche on the planet, from the deep, hot biosphere, to the frigid heights of the upper troposphere. Life, it seems, is almost indestructible. The chapters in this work examine the various scenarios that might lead to the extermination of life, and why they will almost always fail. Life's highly adaptive nature ensures that it will cling on no matter how difficult the circumstances. Scientists are increasingly probing and questioning life's true limits in, on and above the Earth, and how these limits could be pushed elsewhere in the universe. This investigation puts life in its true astronomical context, with the reader taken on a journey to illustrate life's potential and perseverance.
Evolution of Archean Crust and Early Life
This book presents an integrated approach to the study of the evolution of the Archean lithosphere, biosphere and atmosphere, and as such it is a unique contribution to our understanding of the early Earth and life. The structural and geochemical make-up of both the oceanic and continental crust of the Archean Earth is documented in some case studies of various cratons, and the implications of the Phanerozoic plate and plume tectonic processes for the Archean geology are discussed in several chapters in the book. All chapters are process-oriented and data-rich, and reflect the most recent knowledge and information on the Archean Earth. The interdisciplinary approach of examining the evolution of the Archean crust, oceans, and life that we adopt in this book sets it apart from previous publications on Precambrian geology. The book will be attractive to researchers in academia and in industry, and to senior undergraduate students, graduate students and faculty in earth and natural sciences.
Subduction and Closure of the Palaeo-Asian Ocean along the Solonker Suture Zone: Constraints from an Integrated Sedimentary Provenance Analysis
This Ph.D. thesis attempts to decipher the closure of the Palaeozoic Palaeo-Asian Ocean along the enigmatic Solonker Suture in East Asia adopting a methodology that integrates geochemical and geochronological data from Palaeozoic sedimentary and volcanic rocks in the region. It provides an in-detail but also broad insight into the Palaeozoic to early Mesozoic tectonic evolution of the region, not only pin-pointing the debated location of the Solonker Suture but also the timing of final disappearance of the Palaeo-Asian Ocean during Permian to Early Triassic times. The results have led to propose a tectonic ‘soft-collision’ model for the amalgamation of the North China Craton and the Mong...
The Next Supercontinent
An internationally recognized scientist shows that Earth’s separate continents, once together in Pangea, are again on a collision course. You’ve heard of Pangea, the single landmass that broke apart some 175 million years ago to give us our current continents, but what about its predecessors, Rodinia or Columbia? These “supercontinents” from Earth’s past provide evidence that land repeatedly joins and separates. While scientists debate what that next supercontinent will look like—and what to name it—they all agree: one is coming. In this engaging work, geophysicist Ross Mitchell invites readers to remote (and sometimes treacherous) lands for evidence of past supercontinents, de...
Formation and Crust-Mantle Geodynamic Processes of the Neoarchean K-rich Granitoid Belt in the Southern Range of Eastern Hebei-Western Liaoning Provinces, North China Craton
Meso- to Neoarchean is a critical transitional period for the formation and evolution of continental crust and the corresponding geodynamic mechanisms, during which the average composition of continental crust gradually shifted from Na-enriched to K-enriched. However, the ultimate source of K and its enrichment mechanism in continental crust are still enigmatic. Moreover, fierce controversies remain on the Precambrian subdivision and late Archean geodynamic models of the North China Craton (NCC). Archean basement terranes in the Eastern Hebei-Western Liaoning Provinces, northern NCC display characteristic lithological zonation similar to those developed in modern convergent plate margins, an...
Himalayan Climes and Multispecies Encounters
Woven together as a text of humanities-based environmental research outcomes, Himalayan Climes and Multispecies Encounters hosts a collection of historical and fieldwork-based case studies and conceptual discussions of climate change in the greater Himalayan region. The collective endeavour of the book is expressed in what the editors characterize as the clime studies of the Himalayan multispecies worlds. Synonymous with place embodied with weather patterns and environmental history, clime is understood as both a recipient of and a contributor to climate change over time. Supported by empirical and historical findings, the chapters showcase climate change as clime change that concurrently entails multispecies encounters, multifaceted cultural processes, and ecologically specific environmental changes in the more-than-human worlds of the Himalayas. As the case studies complement, enrich, and converse with natural scientific understandings of Himalayan climate change, this book offers students, academics, and the interested public fresh approaches to the interdisciplinary field of climate studies and policy debates on climate change and sustainable development.
Precambrian Evolution of the North China Craton
The North China Craton is one of the oldest cratonic blocks in the world, containing rocks as old as 3.85 billion years. Focusing on Neoarchean mantle plumes and Paleoproterozoic plate tectonics, this book combines the results from modern geological research to provide you with a detailed synthesis of the geology, structure, and evolution of the North China Craton. It will be of value to anyone interested in the evolution of cratonic blocks and Precambrian geology as well as geoscientists interested in applying tectonic models to other cratonic blocks globally. This work will also be of interest to geologists concerned with the problems of structure and evolution of the Precambrian continents and supercontinents. - The first book to apply mantle plume and plate tectonics models to understanding the Neoarchean accretion and Paleoproterozoic amalgamation of a craton - Features more than 75 geologic maps, illustrations, diagrams, and microphotographs depicting the progressive stages of the North China Craton's Precambrian evolution - Authored by one of the world's foremost experts in cratonic evolution and mantle plume and plate tectonic modeling
Ages, Geochemistry and Metamorphism of Neoarchean Basement in Shandong Province
Focusing on issues of when and how Archean crust in the craton was formed, this PhD thesis book presents major research outcomes of field based metamorphic, geochemical and geochronological investigations on Meso-Neoarchean basement rocks from Shandong Province in the Eastern Block of the North China Craton. Based on major findings and new data, the author proposes that the formation and evolution of Archean crust was governed by mantle plumes, not by plate tectonics. As one of the oldest cratonic blocks in the world containing rocks as old as 3.85 billion years, the formation and evolution of North China Craton is still controversial. Therefore this book will be of value to anyone interested in the evolution of cratonic blocks and Precambrian geology.
Precambrian Geology of China
This book is the first contribution to the overview of Precambrian geology of China. It covers Precambrian geology of the North China Craton, the South China Craton and the Tarim Craton, as well as other smaller blocks in the Chinese orogenic belts. It provides systematic concepts of the Chinese paleo-continents and incorporates the most up-to-date achievements. Edited by many of the active researchers working at the forefront of the related fields, it contributes greatly to the international Precambrian geology community and would be of interest to geoscientists working in the research field of geology of China and Precambrian geodynamics.
