Author: Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 306
Book Description
MESA Journal
Author: The Geological Environment of the Sullivan Deposit, British Columbia
Author: Geological Association of Canada. Mineral Deposits DivisionPublisher: St. John's, Nfld. : Geological Association of Canada, Mineral Deposits Division
ISBN:
Category : Science
Languages : en
Pages : 856
Book Description
Collected papers reporting on the results of the Sullivan Project.
Supercontinent Cycles Through Earth History
Author: Z.X. LiPublisher: Geological Society of London
ISBN: 1862397333
Category : Science
Languages : fr
Pages : 298
Book Description
The supercontinent-cycle hypothesis attributes planetary-scale episodic tectonic events to an intrinsic self-organizing mode of mantle convection, governed by the buoyancy of continental lithosphere that resists subduction during the closure of old ocean basins, and the consequent reorganization of mantle convection cells leading to the opening of new ocean basins. Characteristic timescales of the cycle are typically 500 to 700 million years. Proposed spatial patterns of cyclicity range from hemispheric (introversion) to antipodal (extroversion), to precisely between those end members (orthoversion). Advances in our understanding can arise from theoretical or numerical modelling, primary data acquisition relevant to continental reconstructions, and spatiotemporal correlations between plate kinematics, geodynamic events and palaeoenvironmental history. The palaeogeographic record of supercontinental tectonics on Earth is still under development. The contributions in this Special Publication provide snapshots in time of these investigations and indicate that Earth’s palaeogeographic record incorporates elements of all three end-member spatial patterns.
Palaeoproterozoic Supercontinents and Global Evolution
Author: Steven Michael ReddyPublisher: Geological Society of London
ISBN: 9781862392830
Category : Science
Languages : en
Pages : 376
Book Description
The Palaeoproterozoic era (2500-1600 Ma) is a critical period of Earth history, with dynamic evolution from the deep planetary interior to its surface environment. Several lines of geological evidence suggest the existence of at least one pre-Rodinia supercontinent, named Nuna or Columbia, which formed near the end of Palaeoproterozoic time. Prior to this assembly, there may have been an older supercontinent (Kenorland) or perhaps only independently drifting supercratons. The tectonic records of amalgamation and dispersal of these ancient landmasses provide a framework that links processes of the deep Earth with those of its fluid envelope. The sixteen papers in this volume present reviews and new analytical data that span the geological record of Palaeoproterozoic Earth. The volume is useful as a reference book for students and professional geoscientists interested in this important period of global evolution.
Hydrothermal Iron Oxide, Copper-gold & Related Deposits
Author: T. Michael PorterPublisher:
ISBN:
Category : Science
Languages : en
Pages : 362
Book Description
The Adelaide Geosyncline
Author: Publisher:
ISBN:
Category : Adelaide Geosyncline (S.A.)
Languages : en
Pages : 468
Book Description
AGSO Journal of Australian Geology & Geophysics
Author: Structure and Tectonics of the Indian Continental Crust and Its Adjoining Region
Author: Harish C TewariPublisher: Elsevier
ISBN: 0128136863
Category : Science
Languages : en
Pages : 268
Book Description
Structure and Tectonics of the Indian Continental Crust and Its Adjoining Region: Deep Seismic Studies, Second Edition, collates essential data from seismic studies of Earth's crust across India, offering an essential understanding of the tectonic development of the Indian subcontinent. Seismic studies have been carried out in various parts of India since 1972, recording crust-related seismic data for determination of velocity-depth configuration and determination of structural patterns. The book examines the details of these studies, including their synthesis and global applications. The book presents both background and applications in one cohesive volume for researchers and students of geophysics and geology. - Presents all the information and metadata of the Indian continental crust and its neighbouring regions in a cohesive way - Provides basic knowledge of the Indian subcontinent to support the discussion of seismic studies related to crustal structure - Includes all new chapter covering global applications and synthesis of the findings and observations
Geological Evolution of the Precambrian Indian Shield
Author: M.E.A. MondalPublisher: Springer
ISBN: 3319896989
Category : Science
Languages : en
Pages : 753
Book Description
This book presents findings from research into the Precambrian history of the Indian shield obtained using state-of-the-art technology. It demonstrates a paradigm shift towards studying the Precambrian shield regions using petrological, geochemical, structural, metallogenic, sedimentological and paleobiological data from the rocks in the Precambrian shield area, and presents a collection of contributions on these diverse topics that help to reconstruct the Precambrian evolution of the Indian Shield.
The Extreme Proterozoic
Author: Gregory S. JenkinsPublisher: American Geophysical Union
ISBN:
Category : Nature
Languages : en
Pages : 248
Book Description
Topics of this volume include observational evidence of extreme climatic conditions; geochemical and coupled climate modeling studies, alternative hypotheses for explaining low-latitude glacial deposits; and the biosphere and extreme climatic conditions.