Results 71 to 80 of about 116,619 (259)

Interlacing ruptures of the 2024 Wushi earthquake (Chinese Tian Shan) controlled by structural inheritance

open access: yesCommunications Earth & Environment
The 2024 Mw 7.0 Wushi earthquake is the largest earthquake within the seismically active Tian Shan during the past three decades. Through integrated analyses of seismic, geodetic, and geologic data, here we investigate the fault structure corresponding ...
Xinzhong Yin   +13 more
doaj   +1 more source

Geochemistry and tectonic development of Cenozoic magmatism in the Carpathian–Pannonian region [PDF]

open access: yes, 2011
This review considers the magmatic processes in the Carpathian–Pannonian Region (CPR) from Early Miocene to Recent times, as well as the contemporaneous magmatism at its southern boundary in the Dinaride and Balkans regions.
Hilary Downes   +3 more
core   +1 more source

The secret to starting subduction is ... subduction

open access: yes, 2020
Caroline Eakin, ANU The Earth's biggest earthquakes and most explosive volcanoes occur at subduction zones" where a tectonic plate (the seafloor itself) sinks bank into the Earth's interior. We've been able to compile 100 million years of existing evidence for Subduction Zone Initiation (SZI).
openaire   +1 more source

Noble Metals in Arc Basaltic Magmas Worldwide: A Case Study of Modern and Pre-Historic Lavas of the Tolbachik Volcano, Kamchatka

open access: yesFrontiers in Earth Science, 2021
Platinum-group elements (PGE) and gold are a promising tool to assess the processes of mantle melting beneath the subduction zones. However, fractionation processes in magmas inevitably overwrite the initial metal budgets of magmas, making constraints on
Anton Kutyrev   +8 more
doaj   +1 more source

Numerical analysis of deformation in the upper part of subduction zones [PDF]

open access: yes, 1981
The stresses and deformation in an accretionary prism, and the crystalline basement behind and beneath it, have been modelled using finite element analysis, assuming a visco-elastic Maxwell rheology for the rocks involved.
Park, M.J.M.
core  

Mesoscale subduction at the Almeria-Oran front. Part 1: ageostrophic flow [PDF]

open access: yes, 2001
This paper presents a detailed diagnostic analysis of hydrographic and current meter data from three, rapidly repeated, fine-scale surveys of the Almeria-Oran front.
Ruiz, S.   +11 more
core   +1 more source

Subduction Zones: A Short Review

open access: yes, 2023
Subduction zones are locations on Earth where the oceanic material of one tectonic plate dives below the material (oceanic or continental) of another tectonic plate into the mantle. They are the most complex and dramatic tectonic features on our home planet and have been the subject of intense investigations, some of which pre-date the advent of the ...
openaire   +2 more sources

Contrasting magma chemistry in the Candelaria IOCG district caused by changing tectonic regimes

open access: yesScientific Reports
Iron oxide-copper-gold (IOCG) deposits are a vital source of copper and critical elements for emerging clean technologies. Andean-type IOCG deposits form in continental arcs undergoing extension, and they have a temporal relationship with magmatism ...
R. Romero   +6 more
doaj   +1 more source

Dynamic evolution of changbaishan volcanism in Northeast China illuminated by machine learning

open access: yesFrontiers in Earth Science, 2023
Previous studies propose that there is a mantle upwelling that generated the Cenozoic basalts in Changbaishan. However, the dominant source and mechanism of the mantle upwelling remains highly debated.
Yong Zhao   +4 more
doaj   +1 more source

Radiogenic isotopes document the start of subduction in the Western Pacific

open access: yesEarth and Planetary Science Letters, 2019
Subduction initiation is one of the least understood aspects of plate tectonics. In an effort to obtain the first in situ magmatic record of subduction initiation, the International Ocean Discovery Program Expedition 352 drilled at four sites in the ...
Hongyang Li   +8 more
semanticscholar   +1 more source

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