Petrography, Mineral Chemistry and Petrochemistry of Granite Porphyry Dykes from Sibbo, Southern Finland PDF Download
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Author: Ragnar Törnroos
Publisher:
ISBN:
Category : Dikes (Geology)
Languages : en
Pages : 50
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Author: Ragnar Törnroos
Publisher:
ISBN:
Category : Dikes (Geology)
Languages : en
Pages : 50
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Book Description
Author: O. Tapani Rämö
Publisher:
ISBN: 9789516904392
Category : Batholiths
Languages : en
Pages : 168
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Book Description
Author: Joseph V. Smith
Publisher: Springer Science & Business Media
ISBN: 3642725945
Category : Science
Languages : en
Pages : 884
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Book Description
Remarks by JVS. Volumes 1 and 2 of Feldspar Minerals were published in 1974, but Volume 3 was not completed because I was forced to devote 3 years to the resolution of unforeseen problems in the construction of an ion probe. By 1977, the incomplete draft for Volume 3 had become obsolete because of the enormous advances in knowledge of feldspars, particularly those in lunar rocks and meteorites, and in both deep-seated and ancient terrestrial rocks. Furthermore, it soon became obvious that a completely new version of Feldspar Minerals was needed because of the important new results on the physical and chemical properties. I had kept up with the interesting but tedious chore of weekly reading of the incoming literature and maintenance of the files. By 1980, the intense day-to day pressure had gone from my research programs on lunar rocks and on the development of the ion microprobe as a quantitative geochemical instrument, and I began preparation of a second edition of Feldspar Minerals.
Author: P. E. Brown
Publisher: Geological Society of America
ISBN: 0813722721
Category : Science
Languages : en
Pages : 520
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Book Description
Author: Lauri J. J Pesonen
Publisher: Elsevier
ISBN: 0128185341
Category : Science
Languages : en
Pages : 664
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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
Author: Jorma Paavola
Publisher:
ISBN:
Category : Dikes (Geology)
Languages : en
Pages : 790
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Book Description
Author: Z.X. Li
Publisher: Geological Society of London
ISBN: 1862397333
Category : Science
Languages : en
Pages : 298
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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.
Author: Veli Suominen
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 122
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Author: Geologian tutkimuskeskus (Finland)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 582
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Author: Suomen Geologinen Seura
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 616
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Book Description
