Orogenic Processes

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Author :
Publisher : Geological Society of London
ISBN 13 : 9781862390737
Total Pages : 474 pages
Book Rating : 4.3/5 (97 download)

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Book Synopsis Orogenic Processes by : Wolfgang Franke (géologue).)

Download or read book Orogenic Processes written by Wolfgang Franke (géologue).) and published by Geological Society of London. This book was released on 2000 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Orogenic Processes in the Alpine Collision Zone

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 3764399503
Total Pages : 310 pages
Book Rating : 4.7/5 (643 download)

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Book Synopsis Orogenic Processes in the Alpine Collision Zone by : Nikolaus Froitzheim

Download or read book Orogenic Processes in the Alpine Collision Zone written by Nikolaus Froitzheim and published by Springer Science & Business Media. This book was released on 2009-12-08 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers a multitude of Alpine-type working areas and processes active in collisional mountain building in the form of 16 selected very up-to-date review and research articles covering the Alps, Carpathians and Dinarides. These data were presented at the 8th workshop on Alpine Geological Studies in Davos held in October 2007. The compilations and new data are of interest to earth scientists interested in mountain building in general and those interested in processes of continental collision in particular. The book is virtually indispensable for advanced students and scientists involved in Alpine studies.

Orogenesis

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Author :
Publisher : Cambridge University Press
ISBN 13 : 0521765560
Total Pages : 415 pages
Book Rating : 4.5/5 (217 download)

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Book Synopsis Orogenesis by : Michael R. W. Johnson

Download or read book Orogenesis written by Michael R. W. Johnson and published by Cambridge University Press. This book was released on 2012-03-08 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: A valuable introduction to the processes of mountain belt formation and summary of orogenic research, for advanced students and researchers.

Continental Basin and Orogenic Processes: Tectonic Deformation and Associated Landscape and Environmental Evolution

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Author :
Publisher : Frontiers Media SA
ISBN 13 : 2889769828
Total Pages : 194 pages
Book Rating : 4.8/5 (897 download)

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Book Synopsis Continental Basin and Orogenic Processes: Tectonic Deformation and Associated Landscape and Environmental Evolution by : Xuhua Shi

Download or read book Continental Basin and Orogenic Processes: Tectonic Deformation and Associated Landscape and Environmental Evolution written by Xuhua Shi and published by Frontiers Media SA. This book was released on 2022-09-16 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Continental Basin and Orogenic Processes: Deep Structure, Tectonic Deformation, and Dynamics

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Author :
Publisher : Frontiers Media SA
ISBN 13 : 2832503969
Total Pages : 392 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Continental Basin and Orogenic Processes: Deep Structure, Tectonic Deformation, and Dynamics by : Hanlin Chen

Download or read book Continental Basin and Orogenic Processes: Deep Structure, Tectonic Deformation, and Dynamics written by Hanlin Chen and published by Frontiers Media SA. This book was released on 2022-11-04 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Middle American Terranes, Potential Correlatives, and Orogenic Processes

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Author :
Publisher : CRC Press
ISBN 13 : 1420073737
Total Pages : 416 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Middle American Terranes, Potential Correlatives, and Orogenic Processes by : J. Duncan Keppie

Download or read book Middle American Terranes, Potential Correlatives, and Orogenic Processes written by J. Duncan Keppie and published by CRC Press. This book was released on 2008-04-09 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consisting of papers that have appeared recently in International Geology Review, Middle American Terranes, Potential Correlatives, and Orogenic Processes focuses on Middle American terranes in which tectonic processes, including flat-slab subduction, for orogenic development are examined at various times since the late Mesoproterozoi

Orogenic Belts, Geological Mapping

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Author :
Publisher : VSP
ISBN 13 : 9789067642637
Total Pages : 180 pages
Book Rating : 4.6/5 (426 download)

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Book Synopsis Orogenic Belts, Geological Mapping by : Zhiqin Xu

Download or read book Orogenic Belts, Geological Mapping written by Zhiqin Xu and published by VSP. This book was released on 1997 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Linkages and Feedbacks in Orogenic Systems

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Author :
Publisher : Geological Society of America
ISBN 13 : 0813712130
Total Pages : 372 pages
Book Rating : 4.8/5 (137 download)

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Book Synopsis Linkages and Feedbacks in Orogenic Systems by : Richard D. Law

Download or read book Linkages and Feedbacks in Orogenic Systems written by Richard D. Law and published by Geological Society of America. This book was released on 2017-09-11 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dedicated to Bob Hatcher, this Memoir explores linkages between tectonic processes through a series of field-, numerical- and laboratory-based studies, concentrating on feedback mechanisms within ancient and evolving orogens by which individual or linked tectonic processes may influence or predetermine the operation of other processes in space and time. Case studies cover a wide range of ancient to modern orogens: the Svecofennian of southern Finland, the Gyeonggi Massif of Korea, the Caledonides of northern Scotland, the Variscan of the East European craton, the Appalachians of the eastern United States, the European Alps and Dinarides, north Cascades of the northwestern United States, and the Himalaya. Emphasis is placed on integration between data sets developed from a wide range of analytical approaches, including: field mapping, seismic reflection profiling, strain analyses, petrology, isotopic dating, and numerical modeling-based studies of thermal evolution associated with tectonic processes such as thrust-related burial and exhumation.

New Developments in the Appalachian-Caledonian-Variscan Orogen

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Publisher : Geological Society of America
ISBN 13 : 0813725542
Total Pages : pages
Book Rating : 4.8/5 (137 download)

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Book Synopsis New Developments in the Appalachian-Caledonian-Variscan Orogen by : Yvette D. Kuiper

Download or read book New Developments in the Appalachian-Caledonian-Variscan Orogen written by Yvette D. Kuiper and published by Geological Society of America. This book was released on 2022-08-01 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "This volume provides a comprehensive overview of our understanding of the evolution of the Appalachian-Caledonian-Variscan orogen. It takes the reader along a clockwise path around the North Atlantic Ocean from the U.S. and Canadian Appalachians; to the Caledonides of Spitsbergen, Scandinavia, Scotland and Ireland; and thence south to the Variscides of Morocco"--

Physical Geography TOPICWISE MCQs for UPSC/IAS/State PCS/OPSC/TPSC/KPSC/WBPSC/MPPSC/MPSC/CDS/CAPF/UPPCS/BPSC/NET JRF Exam/College/School

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Author :
Publisher : Arora IAS
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4./5 ( download)

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Book Synopsis Physical Geography TOPICWISE MCQs for UPSC/IAS/State PCS/OPSC/TPSC/KPSC/WBPSC/MPPSC/MPSC/CDS/CAPF/UPPCS/BPSC/NET JRF Exam/College/School by : Team Arora IAS

Download or read book Physical Geography TOPICWISE MCQs for UPSC/IAS/State PCS/OPSC/TPSC/KPSC/WBPSC/MPPSC/MPSC/CDS/CAPF/UPPCS/BPSC/NET JRF Exam/College/School written by Team Arora IAS and published by Arora IAS . This book was released on 2023-02-18 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Index Questions only MCQs Topic: Solar System (Q.1 to Q.22) (Page No. 2-3) MCQs Topic: The solar system planets information (Q.23 to Q.66) (Page No. 4- 8) Geomorphology MCQs Topic: Latitudes and Longitudes (Q.67 to Q.76) (Page No.8-9) MCQs Topic: Latitude and Longitude Specific | Standard Time zone (Q.77 to Q.101) (Page No.9-11) MCQs Topic: Motions of the Earth: Rotation and Revolution (Q.102 to Q.111) (Page No.11-12) MCQs Topic: Domains of the Earth: Lithosphere, Atmosphere, Hydrosphere, Biosphere (Q.112 to Q.133) (Page No.12-14) MCQs Topic: Interior of the Earth: Core, Mantle and Crust (Q.134 to Q.155) (Page No.14-16) MCQs Topic: Earthquake Causes and Effects (Q. 156 to Q.195) (Page No.16-20) MCQs Topic: Seismic waves and earth’s interior: P waves, S waves, L waves (Q.196 to Q.215) (Page No.20-21) MCQs Topic: Classification of Rocks: Igneous, Sedimentary and Metamorphic Rocks (Q.216 to Q.251) (Page No.21-24) MCQs Topic: Continental Drift Theory: Evidences and Drawbacks (Q.252 to Q.261) (Page No.25-25) MCQs Topic: Seafloor Spreading theory, Paleomagnetism (Q.262 to Q.277) (Page No.25-27) MCQs Topic: Plate Tectonics theory (Q.278 to Q.305) (Page No.27-30) MCQs Topic: Geomorphic Processes: Endogenic and Exogenic forces (Q.306 to Q.322) (Page No.30-31) MCQs Topic: Endogenic forces: Epeirogenic and Orogenic (Q.323 to Q.341) (Page No.31-33) MCQs Topic: Exogenic Forces: Denudation and Weathering (Q.342 to Q.366) (Page No.33-35) MCQs Topic: Tsunami and its causes & Tsunami Warning Systems (Q.367 to Q.373) (Page No.35-36) MCQs Topic: Volcanism and Volcanic landforms (Q.374 to Q.423) (Page No.36-41) MCQs Topic: Major Landforms of the Earth (Q.424 to Q.430) (Page No.41-41) MCQs Topic: Fluvial landforms (Q.431 to Q.445) (Page No.41-43) MCQs Topic: Aeolian Landforms (Q.446 to Q.474) (Page No.43-45) Climatology MCQs Topic: Latitudes and Longitudes (Q.475 to Q.480) (Page No.45-46) MCQs Topic: Composition and structure of the atmosphere (Q.481 to Q.509) (Page No.46-49) MCQs Topic: Insolation and Heat budget of the Earth (Q.510 to Q.538) (Page No.49-51) MCQs Topic: Pressure Belts of the Earth (Q.539 to Q.567) (Page No.51-54) MCQs Topic: Types of Wind – Permanent, Secondary & Local Winds (Q.568 to Q.602) (Page No.54-57) MCQs Topic: Temperature Inversion: Types & Effects on Weather (Q.603 to Q.619) (Page No.57-59) MCQs Topic: Cyclones and Anticyclone (Q.620 to Q.654) (Page No.59-62) MCQs Topic: Jet Stream (Climatology) (Q.655 to Q.669) (Page No.62-64) MCQs Topic: Clouds formation & Types of clouds (Q.670 to Q.696) (Page No.64-66) MCQs Topic: Precipitation: Types of Precipitation & Types of Rainfall (Q.697 to Q.739) (Page No.66-70) Oceanography MCQs Topic: Major and Minor Ocean Relief Features (Q.740 to Q.785) (Page No.70-75) MCQs Topic: Important Seas of the world (Q.786 to Q.830) (Page No.75-79) MCQs Topic: Salinity of Ocean water (Q.831 to Q.853) (Page No.79-81) MCQs Topic: Ocean Waves & Movements of Ocean Water (Q.854 to Q.865) (Page No.81-82) MCQs Topic: Ocean Currents: Types of Ocean Currents (Q.866 to Q.892) (Page No.82-84) MCQs Topic: Tides: Spring & Neap Tide, Tidal Bulge, Tidal Bore (Q.893 to Q.921) (Page No.84-87) MCQs Topic: Ocean Resources: Biotic and Abiotic (Q.922 to Q.945) (Page No.87-89) MCQs Topic: El-Nino, La-Nina, ENSO, El Nino Modoki (Q.946 to Q.970) (Page No.89-92) MCQs Topic: Oceans Issues and Threats (Q.971 to Q.995) (Page No.92-94) Revision Test: (Q.1 to Q.322) (Page No.94-122) Questions Cum Answers MCQs Topic: Solar System (Q.1 to Q.22) (Page No.124-130) MCQs Topic: The solar system planets information (Q.23 to Q.66) (Page No.130-141) Geomorphology MCQs Topic: Latitudes and Longitudes (Q.67 to Q.76) (Page No.141-143) MCQs Topic: Latitude and Longitude Specific | Standard Time zone (Q.77 to Q.101) (Page No.143-150) MCQs Topic: Motions of the Earth: Rotation and Revolution (Q.102 to Q.111) (Page No.150-153) MCQs Topic: Domains of the Earth: Lithosphere, Atmosphere, Hydrosphere, Biosphere (Q.112 to Q.133) (Page No.153-158) MCQs Topic: Interior of the Earth: Core, Mantle and Crust (Q.134 to Q.155) (Page No.158-162) MCQs Topic: Earthquake Causes and Effects (Q. 156 to Q.195) (Page No.162-171) MCQs Topic: Seismic waves and earth’s interior: P waves, S waves, L waves (Q.196 to Q.215) (Page No.171-175) MCQs Topic: Classification of Rocks: Igneous, Sedimentary and Metamorphic Rocks (Q.216 to Q.251) (Page No.175-183) MCQs Topic: Continental Drift Theory: Evidences and Drawbacks (Q.252 to Q.261) (Page No.183-186) MCQs Topic: Seafloor Spreading theory, Paleomagnetism (Q.262 to Q.277) (Page No.186-190) MCQs Topic: Plate Tectonics theory (Q.278 to Q.305) (Page No.190-197) MCQs Topic: Geomorphic Processes: Endogenic and Exogenic forces (Q.306 to Q.322) (Page No.197-200) MCQs Topic: Endogenic forces: Epeirogenic and Orogenic (Q.323 to Q.341) (Page No.200-204) MCQs Topic: Exogenic Forces: Denudation and Weathering (Q.342 to Q.366) (Page No.204-210) MCQs Topic: Tsunami and its causes & Tsunami Warning Systems (Q.367 to Q.373) (Page No.210-212) MCQs Topic: Volcanism and Volcanic landforms (Q.374 to Q.423) (Page No.212-224) MCQs Topic: Major Landforms of the Earth (Q.424 to Q.430) (Page No.224-225) MCQs Topic: Fluvial landforms (Q.431 to Q.445) (Page No.225-229) MCQs Topic: Aeolian Landforms (Q.446 to Q.474) (Page No.229-236) Climatology MCQs Topic: Latitudes and Longitudes (Q.475 to Q.480) (Page No.236-238) MCQs Topic: Composition and structure of the atmosphere (Q.481 to Q.509) (Page No.238-244) MCQs Topic: Insolation and Heat budget of the Earth (Q.510 to Q.538) (Page No.244-251) MCQs Topic: Pressure Belts of the Earth (Q.539 to Q.567) (Page No.251-260) MCQs Topic: Types of Wind – Permanent, Secondary & Local Winds (Q.568 to Q.602) (Page No.260-269) MCQs Topic: Temperature Inversion: Types & Effects on Weather (Q.603 to Q.619) (Page No.269-274) MCQs Topic: Cyclones and Anticyclone (Q.620 to Q.654) (Page No.274-284) MCQs Topic: Jet Stream (Climatology) (Q.655 to Q.669) (Page No.284-289) MCQs Topic: Clouds formation & Types of clouds (Q.670 to Q.696) (Page No.289-295) MCQs Topic: Precipitation: Types of Precipitation & Types of Rainfall (Q.697 to Q.739) (Page No.295-306) Oceanography MCQs Topic: Major and Minor Ocean Relief Features (Q.740 to Q.785) (Page No.306-316) MCQs Topic: Important Seas of the world (Q.786 to Q.830) (Page No.316-324) MCQs Topic: Salinity of Ocean water (Q.831 to Q.853) (Page No.324-330) MCQs Topic: Ocean Waves & Movements of Ocean Water (Q.854 to Q.865) (Page No.330-333) MCQs Topic: Ocean Currents: Types of Ocean Currents (Q.866 to Q.892) (Page No.333-339) MCQs Topic: Tides: Spring & Neap Tide, Tidal Bulge, Tidal Bore (Q.893 to Q.921) (Page No.340-346) MCQs Topic: Ocean Resources: Biotic and Abiotic (Q.922 to Q.945) (Page No.346-351) MCQs Topic: El-Nino, La-Nina, ENSO, El Nino Modoki (Q.946 to Q.970) (Page No.351-358) MCQs Topic: Oceans Issues and Threats (Q.971 to Q.995) (Page No.358-364) Revision Test: (Q.1 to Q.322) (Page No.365-412)

Geodynamics of a Cordilleran Orogenic System: The Central Andes of Argentina and Northern Chile

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Author :
Publisher : Geological Society of America
ISBN 13 : 0813712122
Total Pages : 490 pages
Book Rating : 4.8/5 (137 download)

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Book Synopsis Geodynamics of a Cordilleran Orogenic System: The Central Andes of Argentina and Northern Chile by : Peter G. DeCelles

Download or read book Geodynamics of a Cordilleran Orogenic System: The Central Andes of Argentina and Northern Chile written by Peter G. DeCelles and published by Geological Society of America. This book was released on 2015-01-01 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This memoir brings together results from a multidisciplinary study of the processes that have formed the highest, widest part of the Andean Cordilleran orogenic belt in northern Argentina and Chile. The region features a tectonically erosive forearc, protracted arc magmatism, a high-elevation hinterland plateau and strongly shortened retroarc thrust belt, and a Paleocene-Recent foreland basin system"--

Orogenic Curvature

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Author :
Publisher : Geological Society of America
ISBN 13 : 0813723833
Total Pages : 282 pages
Book Rating : 4.8/5 (137 download)

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Book Synopsis Orogenic Curvature by : Aviva J. Sussman

Download or read book Orogenic Curvature written by Aviva J. Sussman and published by Geological Society of America. This book was released on 2004-01-01 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structural Geology and Tectonic Evolution of the Sognefjord Transect, Caledonian Orogen, Southern Norway

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Author :
Publisher : Geological Society of America
ISBN 13 : 0813700191
Total Pages : 92 pages
Book Rating : 4.8/5 (137 download)

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Book Synopsis Structural Geology and Tectonic Evolution of the Sognefjord Transect, Caledonian Orogen, Southern Norway by : A. G. Milnes

Download or read book Structural Geology and Tectonic Evolution of the Sognefjord Transect, Caledonian Orogen, Southern Norway written by A. G. Milnes and published by Geological Society of America. This book was released on 2011 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sognefjord transect through the Lower to Middle Paleozoic Caledonian orogenic belt in southern Norway provides a superb and exceptionally well-documented example of late collisional, Alpine-type tectonics. This field guide is the first synthesis of the region to include detailed locality descriptions.

Regional Geology and Tectonics: Principles of Geologic Analysis

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Author :
Publisher : Elsevier
ISBN 13 : 0444641351
Total Pages : 894 pages
Book Rating : 4.4/5 (446 download)

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Book Synopsis Regional Geology and Tectonics: Principles of Geologic Analysis by : Nicola Scarselli

Download or read book Regional Geology and Tectonics: Principles of Geologic Analysis written by Nicola Scarselli and published by Elsevier. This book was released on 2020-06-17 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt: Regional Geology and Tectonics: Principles of Geologic Analysis, 2nd edition is the first in a three-volume series covering Phanerozoic regional geology and tectonics. The new edition provides updates to the first edition’s detailed overview of geologic processes, and includes new sections on plate tectonics, petroleum systems, and new methods of geological analysis. This book provides both professionals and students with the basic principles necessary to grasp the conceptual approaches to hydrocarbon exploration in a wide variety of geological settings globally. Discusses in detail the principles of regional geological analysis and the main geological and geophysical tools Captures and identifies the tectonics of the world in detail, through a series of unique geographic maps, allowing quick access to exact tectonic locations Serves as the ideal introductory overview and complementary reference to the core concepts of regional geology and tectonics offered in volumes 2 and 3 in the series

The South Aegean Active Volcanic Arc

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Author :
Publisher : Elsevier
ISBN 13 : 0080457576
Total Pages : 401 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis The South Aegean Active Volcanic Arc by : M. Fytikas

Download or read book The South Aegean Active Volcanic Arc written by M. Fytikas and published by Elsevier. This book was released on 2005-09-13 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of 22 selected papers from the homonymous Conference held in September 2003 Milos, Greece. The aim of the conference was to serve as a forum for the presentation and constructive discussion of the state-of-the-art and emerging issues on the South Aegean Volcanic Arc. In the first part of the book the tectonic- geodynamic setting and the present upper mantle structure of the Aegean area are discussed. It includes an interesting interpretation of data on the spatial distribution of intermediate focal depth earthquakes, fault plane solutions and deep velocity structures, to further investigate active tectonics related to the deep structure of the southern Aegean volcanic arc. The second part deals with general volcanological, petrological and tectonic characteristics of the SAAVA presenting an extensive review of volcanological, chemical, isotope and tectonic data, using a large amount of new field and laboratory data. Interesting conclusions are presented regarding the present volcanic associations, the volcanic fields location and shape in respect to the large tectonic lineaments and the plate motions, the source of the SAAVA parental magmas. Presented in the third part is an extensive review on the volcanic hazard assessment and the monitoring state of the SAAVA centers. Seismic and geodetic monitoring of the Santorini volcano and the recent (1995-1998) crisis of Nisyros volcano are presented and discussed. The last part deals with hydrothermal deposits and processes in the SAAVA, as well as products and processes in adjacent areas with a particular interest and significance that link them to the SAAVA processes. *Systematic re-evaluation on the geodynamic and tectonic setting of the Aegean active volcanic centers *Thorough review with new data and ideas on the magma source region, the magma differentiation processes in both the deep and shallow levels, and the volcanological processes related both to the magma composition and storage depth as well as to the tectonic regime of the volcano growth area *Up to date estimation of the volcanic hazard in the Aegean area, and a detailed presentation of the present state and the monitoring efforts of the South Aegean active centers

The Hagendorf-Pleystein Province: the Center of Pegmatites in an Ensialic Orogen

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Author :
Publisher : Springer
ISBN 13 : 3319188062
Total Pages : 475 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis The Hagendorf-Pleystein Province: the Center of Pegmatites in an Ensialic Orogen by : Harald G. Dill

Download or read book The Hagendorf-Pleystein Province: the Center of Pegmatites in an Ensialic Orogen written by Harald G. Dill and published by Springer. This book was released on 2015-10-15 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will broaden readers’ understanding of pegmatites in a special geodynamic setting, dealing with the emplacement of the Hagendorf-Pleystein Pegmatite Province (HPPP) in the Central European Variscides. This treatise illustrates the complex processes leading to the formation and partial destruction of the pegmatites, documenting the geochronological, chemical, mineralogical, geological and geomorphological / sedimentological data set. The book starts with a detailed account of the economic geology of the various pegmatites, explaining why these deposits are a major resource of ceramic raw materials. In its concluding section, a model of the pegmatite evolution in an ensialic orogen provides meaningful insights into the genetic aspects of pegmatite generation. The Late Paleozoic rare-element pegmatites of the HPPP, Oberpfalz-SE, Germany, rank among the largest concentrations in Europe. The biggest pegmatite of this mining district totals 4.4 million tons of ore (Hagendorf-South). The mining history of the HPPP is restricted to the 20th century, when local entrepreneurs started mining operations in search of ceramic raw materials, feldspar and quartz. Today the “Silbergrube Aplite” is still worked for feldspar. The traditional mining of pegmatitic and aplitic rocks in Central Europe, such as the Bohemian Massif, which is shared by Germany, the Czech Republic, Poland and Austria, has been focused on these industrial minerals. In addition to these major commodities, lithium was mined for a period of time. But even today many of these pegmatites of calc-alkaline affiliation have not lost their appeal to mineralogists and mineral enthusiasts for their wealth of minerals that contain P, Nb, Ta, Li, Be, B, U, Th, Sc, Ti and Sn. The most favorable crustal section to bring about pegmatitic rocks of this type, encompassing pegmatoids, metapegmatites, reactivated pseudopegmatites and pegmatites sensu stricto is the ensialic orogen, exemplified by the Variscan (Hercynian) Orogen, which geodynamically connects the Paleozoic pegmatite provinces in North America and Europe. The geological history of the HPPP, however, goes much further than the Carboniferous-Permian magmatic activity, when the last structural disturbances of the Variscan orogeny affected the NE-Bavarian Basement between 450 and 330 Ma. During this time mafic magmatic rocks together with calcareous and arenaceous sediments were converted into paragneisses, calcsilicate rocks, and amphibolites. It is the period of time when tectonic shortening led to over thrusting and when the emplacement of nappes and the architectural elements of the ensialic orogen began taking shape. During the Late Permian, the Mesozoic and the Cenozoic, the HPPP did not lie idle in geological terms; hypogene and supergene alteration continued and found its most recent expression in alluvial-fluvial “nigrine” placer deposits, which resulted from the unroofing of the pegmatites and aplites in the HPPP and can be used even outside HPPP as an ore guide to pegmatites.

The Tectonics of North America

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Author :
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (359 download)

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Book Synopsis The Tectonics of North America by : Philip B. King

Download or read book The Tectonics of North America written by Philip B. King and published by . This book was released on 1969 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: