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Deep recycling of crustal materials by the Hainan mantle plume: evidence from Zn–Sr–Nd–Pb isotopes of Hainan Island basalts
Understanding the compositional heterogeneity of the deep mantle requires identifying the nature of recycled crustal materials in the sources of...
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Recycling of supra-crustal materials in the rhyolites from north Sonid Youqi: implications for the crustal evolution in the southeast Central Asian Orogenic Belt
Whole-rock geochemistry, zircon U–Pb ages and Hf–O isotopes of the volcanic rocks from Tegusiaobao, north of Sonid Youqi, southeast Central Asian...
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Crustal carbonate build-up as a driver for Earth’s oxygenation
Oxygenation of Earth’s atmosphere and oceans played a pivotal role in the evolution of the surface environment and life. It is thought that the rise...
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Zircon Zr isotope fractionation during crustal anatexis
Zirconium is one of high field strength elements but its isotope behavior during geochemical processes is still uncertain because of the limited...
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Paleogene granite from offshore of Morocco (DSDP Leg 79): crustal recycling at a passive continental margin of NW Africa
The margin off northwestern Morocco is a classic area for the study of the Atlantic style passive continental margins and evolution of the Central...
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Identifying crustal contributions in the Patagonian Chon Aike Silicic Large Igneous Province
The volcanic rocks of the Chon Aike Silicic Large Igneous Province (CASP) are recognized as magmas dominantly produced by crustal anatexis....
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Lower crustal assimilation revealed by sulfur isotope systematics of the Bear Valley Intrusive Suite, southern Sierra Nevada Batholith, California, USA
The origin of the wide range of sulfur isotope compositions (i.e., δ 34 S) measured in arc rocks remains debated. While the observed δ 34 S variability...
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Sub-arc mantle fugacity shifted by sediment recycling across the Great Oxidation Event
The chemical exchange between the atmosphere, crust and mantle depends on sediment recycling via subduction. However, it remains unclear how...
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Low Crustal Fluid Reservoirs in Ultramafic Cumulates of Kamchatka
AbstractBased on published geophysical and petrological data, lower crustal fluid reservoirs have been proposed below the Klyuchevskoy Volcano,...
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Provenance of the Lower Jurassic pyroclastic sediments in the Zigui Basin: Implication for crustal thickening in the eastern Qinling orogenic belt
The Late Triassic witnessed significant collisional orogenic events in the Qinling orogenic belt, accompanied by magma underplating and tectonic...
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Crustal Processes and Materials
In the previous chapter, we discussed Earth’s age, structure and its interacting sub-systems. Spectroscopic studies of stellar materials in space...
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Petrogenesis of the Late Archean Kanara Batholith of the Western Dharwar Craton: Evidence for mid-deep crustal recycling of the Archean felsic crust
AbstractKanara Batholith is an intrusive granitoid pluton into the basement biotite-gneisses and the supracrustal rocks of the Western Ghats Belt...
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Crustal Contamination of the Mantle-Derived Liuyuan Basalts: Implications for the Permian Evolution of the Southern Central Asian Orogenic Belt
The Permian basalts in the Central Asian Orogenic Belt (CAOB) are crucial for constraining the closure of the Paleo-Asian Ocean. However, the origin...
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Multistage Formation of Neoarchean Potassic Meta-Granites and Evidence for Crustal Growth on the North Margin of the North China Craton
The North China Craton (NCC) is one of the most complex cratons in the world. It underwent a series of tectonothermal events during the...
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Crustal structure of Northeast India as evidenced by receiver function imaging: tectonic and geodynamic implications
Crustal structure beneath the major tectonic domains comprising northeast India is investigated using receiver function analyses of teleseismic...
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Potassium isotopic evidence for recycling of surface water into the mantle transition zone
Global water cycling involves interactions between Earth’s interior and its surface environment. Geophysical and mineral physics studies have...
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Crustal Structures and Seismogenic Setting of the West Henan Region, North China, as Revealed by Magnetotelluric Imaging
The west Henan region, China, has experienced four historical moderate-to-strong earthquakes. Many micro-earthquakes continue to occur in this area....
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Mantle versus crustal contributions in crustal-scale magmatic systems (Sesia Magmatic System, northern Italy) from coupling Hf isotopes and numerical modelling
The growth and evolution of crustal-scale magmatic systems play a key role in the generation of the continental crust, the largest eruptions on...
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Crustal P- and S-Wave Velocity Structure of the North China Craton at 36°N from Active-Source Seismic Data and Its Tectonic Implications
We present crustal models for seismic P-waves ( V p), S-waves ( V s) and the V p/ V s ratio across the southern North China Craton along latitude 36°N. Our...