Chemical geodynamics of mafic magmatism above subduction zones

YF Zheng, Z Xu, L Chen, LQ Dai, ZF Zhao - Journal of Asian Earth Sciences, 2020 - Elsevier
The geochemical signatures of subducting crust have been identified in various types of
mafic igneous rocks at convergent plate boundaries, where island arc basalts (IAB) and …

Experimentally based water budgets for dehydrating slabs and consequences for arc magma generation

MW Schmidt, S Poli - Earth and Planetary Science Letters, 1998 - Elsevier
Phase diagrams of hydrous mid-ocean ridge (MOR) basalts to 330 km depth and of hydrous
peridotites to 250 km depth are compiled for conditions characteristic for subduction zones …

Trace element modeling of aqueous fluid–peridotite interaction in the mantle wedge of subduction zones

J Ayers - Contributions to Mineralogy and Petrology, 1998 - Springer
Recently measured partition coefficients for Rb, Th, U, Nb, La (Ce), Pb, Sr, Sm, Zr, and Y
between lherzolite assemblage minerals and H 2 O-rich fluid (Ayers et al. 1997; Brenan et …

Sources and fluids in the mantle wedge below Kamchatka, evidence from across-arc geochemical variation

T Churikova, F Dorendorf, G Wörner - Journal of Petrology, 2001 - academic.oup.com
Major and trace element and Sr–Nd–Pb isotopic variations in mafic volcanic rocks hve been
studied in a 220 km transect across the Kamchatka arc from the Eastern Volcanic Front, over …

Local and regional variations in Central American arc lavas controlled by variations in subducted sediment input

LC Patino, MJ Carr, MD Feigenson - Contributions to Mineralogy and …, 2000 - Springer
The sedimentary section (at DSDP Site 495) on the subducting Cocos Plate has large
stratigraphic changes in incompatible elements and element ratios, the result of early …

Contribution of slab melting and slab dehydration to magmatism in the NE Japan arc for the last 25 Myr: Constraints from geochemistry

T Hanyu, Y Tatsumi, S Nakai, Q Chang… - Geochemistry …, 2006 - Wiley Online Library
Hf isotope compositions, coupled with Pb‐Sr‐Nd isotopes and trace element compositions,
for the Miocene to the Quaternary volcanic rocks from the NE Japan arc have documented …

Contributions of slab fluid, mantle wedge and crust to the origin of Quaternary lavas in the NE Japan arc

JI Kimura, T Yoshida - Journal of Petrology, 2006 - academic.oup.com
Quaternary lavas from the NE Japan arc show geochemical evidence of mixing between
mantle-derived basalts and crustal melts at the magmatic front, whereas significant crustal …

Reinitiation of subduction and magmatic responses in SW Japan during Neogene time

JI Kimura, RJ Stern, T Yoshida - Geological Society of …, 2005 - pubs.geoscienceworld.org
Abstract Southwestern Japan during Paleogene time was affected by subduction of the Kula
and Pacific plates beneath the eastern margin of Eurasia, followed by a brief episode of …

Across-arc variation of Li isotopes in lavas and implications for crust/mantle recycling at subduction zones

T Moriguti, E Nakamura - Earth and planetary science letters, 1998 - Elsevier
Li isotope was analyzed in island arc volcanics from the Izu arc, Japan, to investigate
geochemical processes in subduction zones. Li isotope ratios (δ7Li) and Li/Y of the arc …

Geochemical discrimination and characteristics of magmatic tectonic settings: A machine‐learning‐based approach

K Ueki, H Hino, T Kuwatani - Geochemistry, Geophysics …, 2018 - Wiley Online Library
Geochemically discriminating between magmatism in different tectonic settings remains a
fundamental part of understanding the processes of magma generation within the Earth's …