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BL
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| Record Number
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859104
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| Main Entry
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Acevedo, Rogelio Daniel
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| Title & Author
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Geological Records of the Fuegian Andes Deformed Complex Framed in a Patagonian Orogenic Belt Regional Context /\ Rogelio Daniel Acevedo.
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| Publication Statement
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Cham, Switzerland :: Springer,, [2019]
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| Series Statement
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SpringerBriefs in earth system sciences. South America and the Southern hemisphere
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| Page. NO
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1 online resource :: illustrations (some colour)
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| ISBN
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3030001660
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: 9783030001667
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3030001652
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9783030001650
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| Bibliographies/Indexes
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Includes bibliographical references.
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| Contents
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Intro; Acknowledgements; Contents; 1 Introduction; References; 2 Background; References; 3 Western Sector oftheFuegian Andes Deformed Complex (FADC-WS); 3.1 The Formations intheMesozoic Complex; 3.1.1 The Yahgan Formation; 3.1.2 The Stratigraphic Unit or"Serie Porfirítica" (Porphyritic Serie) Predating theTithonian-Neocomian Times ortheYahgan Formation; References; 4 The Basic Eruptive Rocks ofAlvear andSorondo Ranges (Mount Olivia); References; 5 The Cretaceous Layers Later thantheEarly Cretaceous; References
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10.3 Lithology: The Pre-tectonic Eruptive Rocks10.4 The Post-tectonic Eruptive Rocks Related totheAndean Batholith; 10.5 Contact Metamorphism; 10.6 Structure; 10.6.1 Major Structures; 10.6.2 Minor Structures; References; 11 The Synthesis About theFormational Matter-Lithostratigraphic Units; References; 12 ASimplified View About theFuegian Andes andtheComplex Folding oftheMesozoic andEarly Tertiary Layers; References
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6 The Estimated Basement oftheFuegian Andes Mesozoic Stratigraphic Series andThose Rocks Regarded asPre-mesozoic inAgeReferences; 7 Eastern Sector oftheFuegian Andes Deformed Complex (FADC-ES); 7.1 Lithology andStructures; 7.2 Background; 7.3 References totheAreal Geology; 7.4 Detailed Geological Description; 7.4.1 Southern Coast ofPenínsula Mitre (fromBahía Aguirre toBahía Valentín, withaReference toBahía Sloggett, andtheAtocha, Campana, andPirámide Hills); 7.4.2 East Coast ofthePenínsula Mitre; 7.4.3 Northern Coast ofPenínsula Mitre; 7.5 Isla de los Estados; References
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8 The Deformed Complex andtheFormational Units8.1 The Regional Metamorphism; References; 9 The Magmatic Rocks Probably Corresponding totheAndean Batholith andtheAssociated Metamorphic Contact Phenomena; 9.1 The Plutonic Rocks; 9.1.1 Estancia Túnel; 9.1.2 Península Ushuaia; 9.2 The Phenomena ofThermal Metamorphism; 9.2.1 Estancia Túnel; 9.2.2 Península Ushuaia; 9.2.3 Lake Acigami (Lake Roca, Tierra Del Fuego National Park); References; 10 Nature andSynthesis oftheResults Obtained; 10.1 The Deformed Complex andIts Subdivision; 10.2 Lithology: Stratified Layers
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| Abstract
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The Fuegian Andes in Argentina show both simple and complex aspects. The first ones refer to the general stratigraphy of the area and the latter result from their tectonic characteristics. Concerning the stratigraphy, an appraisal of the denomination and valorization of formations of Jurassic and early Cretaceous age is performed here to reach the simple scheme of the Fuegian-Patagonian continuity under the name of "Fuegian Andes Deformed Complex". As an essay the formational nomenclature is simplified and the local concept of basement is evaluated. In relation to their structural aspects it is assumed that the formation of the orogenic Fuegian arc and the folding of the Mesozoic and early Tertiary layers are connected phenomena. Tectonic forces from the West, the Northeast and the South have had participation in the formation of the tectonic arc. The lithostatic column pressure was added once the layers were folded and thrusted upwards during the birth of the Fuegian Andes. Even the speculation of a great main fold overturned to North, as an abstraction, is considered. Instead, the Magallanes-Fagnano fault is appreciated only as a product of the transcurrent Quaternary movements, lacking associated eruptive processes that contribute to define plate borders.
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| Subject
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Geology, Structural-- Patagonia (Argentina and Chile)
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Geological surface processes (geomorphology)
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Geology, Structural.
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SCIENCE-- Earth Sciences-- Geography.
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SCIENCE-- Earth Sciences-- Geology.
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Soil science, sedimentology.
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| Subject
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South America, Patagonia.
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| Dewey Classification
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551.809827
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| LC Classification
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QE632.P38
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