Earth Sciences Oceanic and Continental Lithospheres in Northwestern South AmericaChicangana, German
We use trace element and isotope (Sr, O) geochemistry to determine the protoliths to the metasomatized rocks and establish the nature and timing of metasomatism, which provides the first direct constraints on the timing of juxtaposition between oceanic and continental lithosphere at the base of ...
Trench Island are Oceanic crust Continental crust Lithosphere Lithosphere Asthenosphere板块构造学说是20世纪最重要的科学成果之一,它科学地解释了地震、火山等地壳运动的机理.如图为某种类型的板块边界示意图.回答4-6题.以下地貌单元中,成因与图示机理相关的是( ) A. A. 东非大裂谷 B. B. 日本列岛 C. C....
How are the lithosphere and the asthenosphere similar? How is continental crust different from oceanic crust? What is the difference between oceanic crust and oceanic lithosphere? Why is oceanic lithosphere subducted but the continental lithosphere is not?
1 Thermal Model TC1 for the Continental Lithosphere: Implications for Lithosphere Secular Evolution,” Tectonophysics 416, 245–277 (2006). CrossRef C. Bassin, G. Laske, and G. Masters, “The Current Limits of Resolution for Surface Wave Tomography in North America,” EOS Trans. AGU, 81(...
AbstractLittle is known about the detailed processes associated with the transition from oceanic to continental lithosphere subduction in the Gangdese Belt of southern Tibet (GBST). Here, we report zircon U–Pb age, major and trace element and Sr–Nd–Hf isotopic data for Late Cretaceous–Early ...
M. Oceanic transform fault seismicity and slip mode influenced by seawater infiltration. Nat. Geosci. 14, 606–611 (2021). Article Google Scholar McKenzie, D., Jackson, J. & Priestley, K. Thermal structure of oceanic and continental lithosphere. Earth Planet. Sci. Lett. 233, 337–349 (...
Asia leading to higher basaltic flow into the Asian lithosphere, followed by convergence deceleration due to slab breakoff, enabling high heat flow and melting of the base of the arc. This two-stage process of accumulation and remelting leads to the chemical maturation of juvenile continental ...
Oceanic and continental lithospheres undergo metasomatism. This includes fluid and/or melt percolation in veins or a porous system with a chemical and modal change [55–58]. These CO2+H2O fluids are the metasomatic agents [58]. Show abstract Genesis of young lithospheric mantle in southeastern Ch...
We have constructed a new integrated geophysical and petrological model for the evolution of oceanic lithosphere The new model predicts a subsidence rate of ∼500 m Myr−1/2 considerably faster than the observed value of ∼320 m Myr−1/2 The observed subsidence rate points to the combined...