LITHOSPHERE

作品数：193被引量：1029H指数：17
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Tidal drag and westward drift of the lithosphere
《Geoscience Frontiers》2023年第6期102-116,共15页Vincenzo Nesi Oscar Bruno Davide Zaccagnino Corrado Mascia Carlo Doglioni 
support from Progetto di Ricerca 2020,Progetto di Ricerca di Ateneo 2021,“Equazioni differenziali ellit-tiche e paraboliche non lineari”Sapienza n.RM120172B8F74615;Oscar Bruno gratefully acknowledges support from NSF under con-tract DMS-2109831,from AFOSR under contract FA9550-21-1-0373;from the NSSEFF Vannevar Bush Fellowship under ONR contract number N00014-16-1-2808;The research was also sup-ported by ESA grant 4000133529/20/NL/GP(Doglioni).
Tidal forces are generally neglected in the discussion about the mechanisms driving plate tectonics despite a worldwide geodynamic asymmetry also observed at subduction and rift zones.The tidal drag could theoreticall...
关键词：Tidal drag Plate motions Polarized plate tectonics Lithosphere-asthenosphere interaction 
Global distribution of geothermal gradients in sedimentary basins被引量：2
《Geoscience Frontiers》2023年第6期478-495,共18页Folarin Kolawole Jonathan C.Evenick 
The heat budget of sedimentary basins is determined by heat transfer across the lithosphereasthenosphere boundary and lithospheric heat sources,such that the tectonic evolution of their host continental and oceanic li...
关键词：Geothermal gradient Oceanic crust Continental crust LITHOSPHERE TECTONICS 
Singularity of lithosphere mass density over the mid-ocean ridges and implication on floor depth and heat flow被引量：1
《Geoscience Frontiers》2023年第5期55-71,共17页Qiuming Cheng 
supported by National Natural Science Foundation of China(grant number 42050103);Guangdong Research Team Development Grant(grant number 2021ZT09H399)。
The relation of heat flow and floor depth across the mid-ocean ridges versus lithosphere age can be described by linear functions of square root of age according to plate thermal conductive Half Space Models(HSM).Howe...
关键词：Mid-ocean ridges Plate cooling model Lithosphere density Conductive model HEAT-FLOW Floor depth 
Newly discovered youngest UHT metamorphism on Earth,Western Sulawesi,Indonesia
《Geoscience Frontiers》2023年第2期14-26,共13页Juiyen Hsia Jian Zhang Guochun Zhao Jiahui Qian Jin Liu Min Sun Changqing Yin Peng Gao Welson Weisheng Xian Minjie Guo 
supported by the National Natural Science Foundation of China[42025204,41890831,41803029,41973025 and 92155306];Guangdong Province Introduced Innovative R&D Team of Geological Processes and Natural Disasters around the South China Sea[2016ZT06N331];HKU Seed Fund for Basic Research[201811159089].
Ultrahigh-temperature(UHT)metamorphism represents an extreme crustal thermal event with peak conditions exceeding 900C at 7–13 kbar.In the modern-style plate tectonic system,records of the UHT metamorphism are relati...
关键词：UHT metamorphism GRANULITE SULAWESI Indonesia Lithosphere delaimination 
Asymmetric Atlantic continental margins
《Geoscience Frontiers》2021年第5期298-308,共11页Adriano Vangone Carlo Doglioni 
The Sapienza University supported this research.
We analyze the gross crustal structure of the Atlantic Ocean passive continental margins from north to the south,comparing eleven sections of the conjugate margins.As a general result,the western margins show a sharpe...
关键词：Passive continental margin Asymmetric rift Moho dip Continental-ocean transition Westward drift of the lithosphere 
Melt migration and melt-rock reaction in the Alpine-Apennine peridotites:Insights on mantle dynamics in extending lithosphere
《Geoscience Frontiers》2020年第1期151-166,共16页Elisabetta Rampone Giulio Borghini Valentin Basch 
supported by the Italian Ministry of Education,University and Research (MIUR),project "Programma di Rilevante Interesse Nazionale"-[PRIN 2015C5LN35] "Melt-rock reaction and melt migration in the MORB mantle through combined natural and experimental studies"
The compositional variability of the lithospheric mantle at extensional settings is largely caused by the reactive percolation of uprising melts in the thermal boundary layer and in lithospheric environments.The Alpin...
关键词：Mantle peridotite PYROXENITE Melt migration Melt impregnation Melt-rock reaction Alpine-Apennine ophiolites 
On the radiogenic heat production of metamorphic,igneous,and sedimentary rocks被引量：4
《Geoscience Frontiers》2018年第6期1777-1794,共18页D.Hasterok M.Gard J.Webb 
supported by Australian Government Research Training Program Scholarship
Sedimentary rocks cover-73% of the Earth's surface and metamorphic rocks account for approximately91% of the crust by volume. Understanding the average behavior and variability of heat production for these rock types ...
关键词：Heat generation Density METAMORPHIC ROCKS SEDIMENTARY ROCKS IGNEOUS ROCKS CONTINENTAL LITHOSPHERE 
Mantle heterogeneity,plume-lithosphere interaction at rift controlled ocean-continent transition zone:Evidence from trace-PGE geochemistry of Vempalle flows,Cuddapah Basin,India被引量：6
《Geoscience Frontiers》2018年第6期1809-1827,共19页Th.Dhanakumar Singh C.Manikyamba K.S.V.Subramanyam Sohini Ganguly Arubam C.Khelen N.Ramakrishna Reddy 
the funds from Council of Scientific and Industrial Research(CSIR)to National Geophysical Research Institute through the project of MLP 6604-28(CM);Ministry of Earth Sciences(No:MoES/PO(Geosci)/8/2014)
This study reports major, trace, rare earth and platinum group element compositions of lava flows from the Vempalle Formation of Cuddapah Basin through an integrated petrological and geochemical approach to address ma...
关键词：Cuddapah basin Vempalle lava FLOWS Sulphide fractionation Partial melting Plume-lithosphere INTRAPLATE rifting 
Origin of the LLSVPs at the base of the mantle is a consequence of plate tectonics-A petrological and geochemical perspective被引量：5
《Geoscience Frontiers》2018年第5期1265-1278,共14页Yaoling Niu 
supported by the National Natural Science Foundation of China (Grant Nos. 41630968, 41130314 and 91014003);the National Natural Science Foundation of Chinae Shandong (Grant No. U1606401);Qingdao National Laboratory for Marine Science and Technology (Grant No. 2015ASKJ03);grants from regional and local authorities (Shandong Province and City of Qingdao), Chinese Academy of Sciences (Innovation Grant No. Y42217101L);China University of Geosciences (Beijing)
In studying the petrogenesis of intra-plate ocean island basalts(OIB) associated with hotspots or mantle plumes, we hypothesized that the two large-low-shear-wave-velocity provinces(LLSVPs) at the base of the mantle b...
关键词：LLSVPs Subducted ocean CRUST Subducted MANTLE LITHOSPHERE No superplumes MANTLE chemical differentiation Optimal momentum of inertia 
The westward drift of the lithosphere:A tidal ratchet?被引量：1
《Geoscience Frontiers》2018年第2期403-414,共12页A.Carcaterra C.Doglioni 
supported by Sapienza University
Is the westerly rotation of the lithosphere an ephemeral accidental recent phenomenon or is it a stable process of Earth's geodynamics? The reason why the tidal drag has been questioned as the mechanism determining th...
关键词：Westward drift of the LITHOSPHERE TECTONIC EQUATOR Low-velocity layer ASTHENOSPHERE viscosity Non-linear rheology TIDAL RATCHET 
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