Extensional Tectonics : Rifting and Continental Extension

• Autore: Çemen İbrahim
• Pubblicazione: Newark : , : American Geophysical Union, , 2025; ©2025
• Edizione: 1st ed.
• Descrizione fisica: 1 online resource (370 pages)
• Altri autori: CatlosElizabeth J
• Nota di contenuto: Cover -- Series Page -- Title Page -- Copyright Page -- Contents -- List of contributors -- Preface -- Chapter 1 Processes and Perspectives in Extensional Tectonics -- 1.1. Introduction -- 1.2. the Importance of extensional Tectonics -- 1.3. Terminology and common Misconceptions -- 1.3.1. Tension Is Not Extension -- 1.3.2. Magma Does Not Force Open Divergent Plate boundaries -- 1.3.3. Extension and normal Faulting Are Part of Collisional Orogens and plate Boundaries -- 1.3.4. Regions of extension Pose Seismic Risk -- 1.4. Objectives And organization of the book -- Acknowledgments -- Availability Statement -- References -- Part I Large-scale Extensional Tectonics -- Chapter 2 the East African Rift System -- 2.1. Introduction -- 2.2. Structure of the Ears -- 2.2.1. Regional-scale Structural Patterns in the Ears -- 2.2.2. Rift Basin Structure and segmentation -- 2.2.3. Rift Basin Kinematics -- 2.2.4. Structural Evolution of Ears Basins -- 2.3. Plate Structure And pattern of earthquakes -- 2.3.1. Broad-scale Plate Structure In africa -- 2.3.2. Modification of the Plate Due to Rifting -- 2.3.3. Earthquakes and Effective Elastic Thickness (te) -- 2.4. the Mantle and melt Generation -- 2.4.1. Deep Mantle Structure -- 2.4.2. the Mantle Transition Zone -- 2.4.3. the East African Upper Mantle -- 2.4.4. Melt Generation -- 2.4.5. Melt and rift Development -- 2.5. Volcanology And geothermal Resources of the East African Rift -- 2.5.1. Rift Volcanism -- 2.5.2. Architecture of (shallow) Plumbing Systems -- 2.5.3. Holocene/historically Active Volcanoes In the ears -- 2.5.4. Geothermal Resources -- 2.6. into The future -- Acknowledgments -- References -- Chapter 3 Geological And geophysical Constraints Guide New Tectonic Reconstruction Of the Gulf Of mexico -- 3.1. Introduction -- 3.2. Geologic History -- 3.3. Integrated Geophysical Modeling. ; 3.3.1. Northwestern Gom (gumbo1) -- 3.3.2. Central Gom (gumbo2) -- 3.3.3. Northeastern Gom (gumbo3, Gumbo4) -- 3.3.4. Yucatan Margin -- 3.3.5. Oceanic Domain -- 3.4. Spatial Analysis of gravity And magnetic Data And mapped Tectonic features -- 3.4.1. Ocean-continent Boundary -- 3.4.2. Presalt Basins -- 3.4.3. Oceanic Domain: Two Spreading Episodes and Pseudofaults Marking The contact Between Them -- 3.4.4. Magmatic Addition -- 3.5. Tectonic Reconstruction of the basin -- 3.5.1. Late Triassic (230-205 Ma, Pre-camp) -- 3.5.2. Late Triassic-early Jurassic (205-195 Ma) -- 3.5.3. Early-middle Jurassic (195-165 Ma) -- 3.5.4. Late Jurassic Oceanic Phase 1 (165-152 Ma) -- 3.5.5. Late Jurassic-early Cretaceous Oceanic Phase 2 (152-135 ma) -- 3.6. Conclusions -- Acknowledgments -- References -- Chapter 4 Introduction To an Active Oblique Rift: Walker Lane-gulf of california -- 4.1. Introduction To the Walker Lane-gulf of california Oblique Rift -- 4.2. Plate Tectonic Setting of the Walker Lane-gulf of california Oblique Rift -- 4.3. Walker Lane-the First Stage: Oblique continental Rifting -- 4.3.1. Structural Styles of oblique/trantensional Rifting under Dextral Shear -- 4.3.2. Case Study: Central Walker Lane -- 4.4. Gulf of california-the Second Stage: Seafloor Spreading And oblique Continental Margin -- 4.4.1. Case Study: Guaymas-santa Rosalía -- 4.5. Conclusions -- Acknowledgments -- References -- Chapter 5 Extensional Tectonics In western Anatolia, Turkey: Eastward continuation Of the Aegean Extension -- 5.1. Introduction -- 5.2. Geological Background -- 5.2.1. Assembly of key Components (paleoproterozoic-eocene) -- 5.2.2. Extensional History (oligocene-miocene) -- 5.2.3. Strike-slip History (late Miocene, Pliocene To present) -- 5.3. Outstanding Questions In aegean tectonics -- 5.3.1. Slab Dynamics -- 5.3.2. Timing, Number, And geometry of transfer zones. ; 5.3.3. Magmatic Influence In driving Extension -- 5.3.4. Timing The switches In the Stress Regimes In western Anatolia -- 5.3.5. Relating Geological Units and events Across boundaries -- 5.4. Conclusions -- Acknowledgments -- Availability Statement -- References -- Part II Extensional Tectonic Processes -- Chapter 6 Oceanic Isostasy: Self-sustaining Seafloor Spreading And rift localization -- 6.1. Introduction -- 6.2. Plate Driving Forces -- 6.3. Oceanic Isostasy -- 6.3.1. Quantitative Development of oceanic Isostasy -- 6.4. Localization of spreading Centers -- 6.5. Geological Examples -- 6.5.1. Subaerial Versus Submarine Spreading -- 6.5.2. Seaward Dipping Reflectors -- 6.5.3. Rift To drift -- 6.5.4. Rafted Continental Slivers -- 6.5.5. Back-arc Spreading -- 6.6. Oceanic Versus Continental Tectonics -- 6.7. Outstanding Issues -- 6.8. Summary Points -- Acknowledgments -- Availability Statement -- References -- Chapter 7 Rigidity-seismicity Relation In the East African Rift System -- 7.1. Introduction -- 7.2. Tectonic Setting -- 7.3. Data -- 7.3.1. Surface Heat Flow -- 7.3.2. Earthquake -- 7.3.3. Gravity -- 7.3.4. Crustal and sediment Thicknesses -- 7.4. Methods -- 7.4.1. Lithospheric Geotherm -- 7.4.2. Computation of lithospheric Strength -- 7.4.3. Computation of residual Mantle Gravity anomaly -- 7.5. Results and discussion -- 7.5.1. Thermal Structure -- 7.5.2. Sensitivity of geotherms -- 7.5.3. Gravity Signatures of thermal Anomalies -- 7.5.4. Lithospheric Strength And the Occurrence of earthquakes -- 7.6. Model Uncertainty -- 7.7. Conclusion -- Acknowledgments -- References -- Chapter 8 Edge-driven Convection-based Models For evolution Of the Mississippi Embayment And associated Alkaline Magmatism -- 8.1. Introduction -- 8.2. Geologic Overview -- 8.2.1. the Mississippi Embayment -- 8.2.2. the Arkansas Alkaline Province. ; 8.2.3. Emplacement Mechanisms For alkaline Provinces -- 8.3. Methods -- 8.3.1. Sample Collection and mineral Separation -- 8.3.2. (u-th)/he Analyses -- 8.3.3. Major and trace Elements -- 8.3.4. Thick-section Analyses -- 8.3.5. Thermal Ion Mass Spectrometry -- 8.3.6. Paleostress Analysis -- 8.4. Results -- 8.4.1. Major and trace Elements -- 8.4.2. Nd Isotopic Geochemistry -- 8.4.3. (u-th)/he Results -- 8.4.4. Petrography -- 8.4.5. Dike Orientations -- 8.5. Discussion -- 8.5.1. Role of partial Melting, Fractional Crystallization, And crustal Contamination -- 8.5.2. Mantle Sources and metasomatism -- 8.5.3. Paleostress Regimes Inferred From dike Orientations -- 8.5.4. Aap Petrogenesis -- 8.5.5. a Nonplume Mechanism For aap Emplacement and me Evolution -- 8.6. Conclusions -- References -- Part III Case Studies Of continental Extensional Tectonics -- Chapter 9 Rapid Versus Delayed Linkage and Coalescence Of interacting rift tips -- 9.1. Introduction -- 9.1.1. the Zomba-lower Shire-nsanje Rift Zone -- 9.2. Methods -- 9.2.1. Field Observations As constraints On rift kinematics -- 9.2.2. Modeling Landscape Evolution -- 9.2.3. Modeling Static Tectonic Stress Distribution -- 9.2.4. Model Limitations -- 9.3. Results -- 9.3.1. Fault Kinematics Along The zomba-lower Shire-nsanje Graben System -- 9.3.2. Overlapping Oblique Riz: Model Displacement Field, Rift Topography, and Drainage Morphology -- 9.3.3. Tip-to-tip Oblique Riz: Model Displacement Field, Rift Topography, and Drainage Morphology -- 9.3.4. Predicted Static Tectonic Stress Distribution Across the Rizs -- 9.4. Discussion -- 9.4.1. Comparison of model Results With natural Observations -- 9.4.2. Controls of rift Interaction Zone Geometry On early Versus Delayed Rift Coalescence -- 9.5. Conclusions -- Acknowledgments -- Author Contributions -- Availability Statement -- References. ; Chapter 10 Root Problem Of mid-tertiary Cordilleran Detachment Faults: Deciphering The evolution Of the Whipple Mountains Detachment Shear Zone In southeastern California -- 10.1. Introduction -- 10.2. Geologic and regional Background -- 10.2.1. Problems and models For continental Extension In north America -- 10.2.2. North American Cordillera Metamorphic Core complexes -- 10.2.3. Metamorphic Core Complexes In the Southern segment -- 10.2.4. P-t Conditions of Core-complex Development -- 10.3. Whipple Detachment Fault System -- 10.3.1. Footwall Rocks -- 10.3.2. Whipple Detachment Fault and mylonitic Shear Zone -- 10.3.3. Hanging-wall Rocks of the Whipple Detachment Fault -- 10.4. Methods -- 10.5. Results -- 10.5.1. Lithologic and structure Data -- 10.5.2. P-t-t Data -- 10.6. Discussion -- 10.6.1. Magmatism and exhumation -- 10.6.2. Past Models -- 10.6.3. P-t Constraints and Future Work -- 10.7. Conclusions -- Acknowledgments -- Availability Statement -- References -- Chapter 11 Büyük Menderes Graben In western Turkey: an Example of A rift basin Developed In back-arc Extension -- 11.1. Introduction -- 11.2. Geologic Overview -- 11.2.1. Exhumation of the Menderes Metamorphic Core Complex -- 11.3. Stratigraphy and Structural Overview of the Bmg -- 11.3.1. Pre-neogene Metamorphic Basement Rocks -- 11.4. Structural Geology -- 11.5. Data and methodology -- 11.5.1. Dataset -- 11.5.3. Methodology -- 11.5.4. Seismic Interpretations -- 11.5.5. Structural Interpretation and structural Restoration -- 11.5.6. Backstripping -- 11.6. Seismic Interpretations -- 11.6.1. Structural Seismic Interpretation and restoration -- 11.6.2. Isochore Maps -- 11.7. Kinematic Evolution and Subsidence history -- 11.7.1. Tectonic Subsidence -- 11.8. Discussion -- 11.8.1. Proposed Extensional Model For the Central Menderes Metamorphic Core Complex -- 11.9. Conclusions. ; Acknowledgments.
• Titolo autorizzato: Extensional Tectonics
• ISBN: 9781119773771; 1119773776; 9781119773764; 1119773768; 9781119773757; 111977375X
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910993903903321
• Lo trovi qui: Univ. Federico II
• Serie: Geophysical Monograph Series