Results 61 to 70 of about 27,504 (213)

Plume‐Induced Subduction Initiation: Single‐Slab or Multi‐Slab Subduction?

Geochemistry, Geophysics, Geosystems, 2020
Initiation of subduction following the impingement of a hot buoyant mantle plume is one of the few scenarios that allow breaking the lithosphere and recycling a stagnant lid without requiring any preexisting weak zones.
Marzieh Baes, Stephan Sobolev, Taras Gerya, Sascha Brune   +3 more
doaj   +1 more source

Lithosphere–asthenosphere viscosity contrast and decoupling

, 2011
The coupling/decoupling between the lithosphere and asthenosphere has significant implications for understanding many important aspects of plate tectonics and geodynamics.
Federica Riguzzi, Ismail Zadeh A., Carlo Doglioni, Ismail-Zadeh, A., Panza, G., Riguzzi F., Doglioni, C., Riguzzi, F., Giuliano Panza, Alik Ismail-Zadeh, PANZA, GIULIANO, Doglioni C.   +11 more
core   +1 more source

Lithosphere, asthenosphere, and perisphere [PDF]

, 1995
“Lithosphere” is a mechanical concept implying strength and relative permanence. Unfortunately, the term has also been applied to the surface thermal boundary layer (TBL) and a shallow enriched geochemical reservoir, features having nothing to do with ...
Anderson, Don L., Don L. Anderson
core   +1 more source

Defining Continental Lithosphere as a Layer With Abundant Frozen‐In Structures That Scatter Seismic Waves

, 2023
We investigate the structure of the continental lithosphere by combining two approaches: a systematic survey of abrupt changes in seismic properties detected by P-to-S converted body waves and an integrated geophysical-petrological inversion for ...
Fullea Urchulutegui, Javier, Y. Li, V. Levin, Lebedev, Sergei, Chen, Xiaoran, J. Fullea, S. Lebedev, Levin, Vadim, X. Chen, Li, Yiran   +9 more
core   +1 more source

Crustal fault reactivation facilitating lithospheric folding/buckling in the central Indian Ocean

, 1996
High-quality, normal-incidence seismic reflection data confirm that tectonic deformation in the central Indian Ocean occurs at two spatial scales: whole lithosphere folding with wavelengths varying between 100 and 300 km, and compressional reactivation ...
Beekman, F., Cloetingh, S., Bull, Jonathan M., Scrutton, R.A.   +3 more
core  

Reappraising elastic thickness variation at oceanic trenches

We reassess the variation of elastic thickness as a function of lithospheric plate age using a global database of bathymetric and free-air gravity profiles which are perpendicular to oceanic trenches.
White, N. J., Bry, M.
core   +1 more source

Magmatism of the Kenya Rift Valley : a review. [PDF]

, 2003
Tertiary–Recent magmatism in the Kenya Rift Valley was initiated c. 35 Ma, in the northern part of Kenya. Initiation of magmatism then migrated southwards, reaching northern Tanzania by 5–8 Ma.
MacDonald, Raymond
core  

The Lithosphere-Asthenosphere Boundary

, 2010
Seismological models of upper-mantle structure are providing new constraints on the physical and chemical properties that differentiate the lithosphere from the asthenosphere.
Rychert, Catherine A., Fischer, Karen M., Abt, David L., Ford, Heather A.   +3 more
core   +1 more source

The Changing Face of the Lithosphere‐Asthenosphere Boundary: Imaging Continental Scale Patterns in Upper Mantle Structure Across the Contiguous U.S. With Sp Converted Waves

Geochemistry, Geophysics, Geosystems, 2018
Juxtaposed terranes of highly varied tectonic history make up the contiguous U.S.: the tectonically active western U.S., the largely quiescent Archean and Proterozoic cratons of the central U.S., and the Phanerozoic orogen and rifted margin of the ...
Emily Hopper, Karen M. Fischer
doaj   +1 more source

Isostasy and Flexure of the Lithosphere

, 2023
Isostasy is a simple concept, yet it has long perplexed students of geology and geophysics. This fully updated edition provides the tools to better understand this concept using a simplified mathematical treatment, numerous geological examples, and an extensive bibliography.
openaire   +2 more sources