Results 121 to 130 of about 1,320,036 (257)

Lithospheric controls on melt production during continental breakup at slow rates of extension: Application to the North Atlantic

, 2009
Rifted margins form from extension and breakup of the continentallithosphere. If this extension is coeval with a region of hotter lithosphere,then it is generally assumed that a volcanic margin would follow.
Armitage, J.J., Henstock, T.J., Hopper, J.R., Minshull, T.A.   +3 more
core   +1 more source

S‐to‐P Receiver Function Imaging of Lithospheric Discontinuities in New Zealand at the Hikurangi Subduction Zone

Geochemistry, Geophysics, Geosystems
Subduction zones are important regions for understanding plate tectonic processes. New Zealand experiences slow slip, volcanism, and back‐arc rifting, and has evidence of large megathrust events and tsunamis.
William A. Buffett, Catherine A. Rychert, Nicholas Harmon   +2 more
doaj   +1 more source

Thermal and mechanical structure of the upper mantle: A comparison between continental and oceanic models [PDF]

Temperature, velocity, and viscosity profiles for coupled thermal and mechanical models of the upper mantle beneath continental shields and old ocean basins show that under the continents, both tectonic plates and the asthenosphere, are thicker than they
Froidevaux, C., Schubert, G., Yuen, D. A.   +2 more
core   +1 more source

Mantle-driven plate convergence due to slab detachment

Communications Earth & Environment
The coupling between the lithosphere and mantle dynamics is important for Earth’s tectonic movement and deformation. Plate driving forces changing from subduction to viscous flow drag can potentially explain the continuous plate convergence where ...
Yangming Wu, Manuele Faccenda, Jie Liao, Jianke Fan, Feng Guo, Zhongping Lai   +5 more
doaj   +1 more source

Global isostatic geoid anomalies for plate and boundary layer models of the lithosphere [PDF]

Commonly used one dimensional geoid models predict that the isostatic geoid anomaly over old ocean basins for the boundary layer thermal model of the lithosphere is a factor of two greater than that for the plate model.
Hager, B. H.
core   +1 more source

Lithospheric Seismic Structure of the Anatolian Plate and Its Implications for Plateau Uplift: Evidence From Joint Inversion of Receiver Functions and Surface Waves

Geochemistry, Geophysics, Geosystems
High topography (>1 km) on the Anatolian Plate is widely attributed to buoyant mantle support, not just the isostatic response of crustal shortening.
Pengzhe Zhou, Ian D. Bastow, Rita Kounoudis, Christopher S. Ogden, Yanghua Wang   +4 more
doaj   +1 more source

The relation between the Givetian and Serpukhovian biotic crises and long-term environmental trend changes

Geosystems and Geoenvironment
Explanations for major catastrophes in the history of life commonly focus on their time-spans. Less biotic crises are worth attention as well, however, which requires their investigation in a longer-lasting context. The present study relates the Taghanic
Dmitry A. Ruban
doaj   +1 more source

The Gulf of Cádiz: thrusting or strike-slip motion? [PDF]

, 2010
In the Gulf of Cádiz (SW Iberian Peninsula) the boundary between Eurasia and Nubia plates corresponds to a narrow band well defined by the seismicity, where large earthquakes (M>7.0) may be associated to N-S to NNW-SSE horizontal compression due to the ...
Bezzeghoud, M., Borges, J.F., Buforn, E., Caldeira, B., Pro, M.C., Udías, A.   +5 more
core  

Oceanic lithosphere and asthenosphere: The thermal and mechanical structure [PDF]

A coupled thermal and mechanical solid state model of the oceanic lithosphere and asthenosphere is presented. The model includes vertical conduction of heat with a temperature dependent thermal conductivity, horizontal and vertical advection of heat ...
Froidevaux, C., Schubert, G., Yuen, D. A.   +2 more
core   +1 more source

NASA Geodynamics Program [PDF]

Activities and achievements for the period of May 1983 to May 1984 for the NASA geodynamics program are summarized. Abstracts of papers presented at the Conference are inlcuded.

core   +1 more source