Geochemical and petrological insights into the tectonic origin of the Transmexican Volcanic Belt

A Gómez-Tuena, L Mori, SM Straub - Earth-science reviews, 2018 - Elsevier
Abstract The Transmexican Volcanic Belt (TMVB) is the magmatic expression of one of the
most complex convergent margins on the planet, and as such constitutes a prime location for …

Strongly SiO2-undersaturated, CaO-rich kamafugitic Pleistocene magmatism in Central Italy (San Venanzo volcanic complex) and the role of shallow depth limestone …

M Lustrino, S Ronca, A Caracausi, CV Bordenca… - Earth-Science …, 2020 - Elsevier
Abstract The Pleistocene (~ 460–265 ka) San Venanzo volcanic complex belongs to the IAP
(Intra-Apennine Province) in central Italy, which comprises at least four small Pleistocene …

Identifying mantle carbonatite metasomatism through Os–Sr–Mg isotopes in Tibetan ultrapotassic rocks

D Liu, Z Zhao, DC Zhu, Y Niu, E Widom, FZ Teng… - Earth and Planetary …, 2015 - Elsevier
Mantle-derived magmas at convergent plate boundaries provide unique insights into the
nature of materials subducted to and recycled from depths. Here we present a study of Os …

Evolution of K-rich magmas derived from a net veined lithospheric mantle in an ongoing extensional setting: Geochronology and geochemistry of Eocene and …

C Yücel, M Arslan, I Temizel, EA Yazar, G Ruffet - Gondwana Research, 2017 - Elsevier
Abstract The Eocene and Miocene volcanic rocks between the cities of Trabzon and Giresun
in the Eastern Pontides (NE Turkey) erupted as mildly and moderately alkaline magmas …

Recycled carbonate‐bearing silicate sediments in the sources of circum‐Mediterranean K‐rich lavas: Evidence from Mg‐Zn isotopic decoupling

ZT Shu, SA Liu, D Prelević, Y Wang… - Journal of …, 2023 - Wiley Online Library
The high flux of subaerial volcanic CO2 emissions around the circum‐Mediterranean region
requires the involvement of an unusually carbon‐rich reservoir, but the origin of which is still …

An experimental study of the role of partial melts of sediments versus mantle melts in the sources of potassic magmatism

MW Förster, D Prelević, S Buhre, R Mertz-Kraus… - Journal of Asian Earth …, 2019 - Elsevier
Potassium-rich lavas with K/Na of> 2 are common in orogenic and anorogenic intraplate
magmatic provinces. However, in the primitive mantle, the concentration of Na exceeds that …

Ultrapotassic magmatism in the heyday of the Variscan Orogeny: the story of the Třebíč Pluton, the largest durbachitic body in the Bohemian Massif

V Janoušek, P Hanžl, M Svojtka, JM Hora… - International Journal of …, 2020 - Springer
The Třebíč Pluton (TP) comprises plutonic rocks of the 'durbachite series', ie, ultrapotassic
biotite–amphibole quartz melasyenites–melagranites with conspicuous K-feldspar …

Calcium isotope compositions of subduction-related leucite-bearing rocks: Implications for the calcium isotope heterogeneity of the mantle and carbonate recycling in …

H Ren, M Casalini, S Conticelli, C Chen… - … et Cosmochimica Acta, 2024 - Elsevier
Large Ca isotope variations recorded in mantle xenoliths and mantle-derived igneous rocks
have been widely used to decode the origin of mantle heterogeneity, especially to trace …

Quartz-bearing rhyolitic melts in the Earth's mantle

L Dallai, G Bianchini, R Avanzinelli, E Deloule… - Nature …, 2022 - nature.com
The occurrence of rhyolite melts in the mantle has been predicted by high pressure-high
temperature experiments but never observed in nature. Here we report natural quartz …

Melting and dynamic metasomatism of mixed harzburgite+ glimmerite mantle source: Implications for the genesis of orogenic potassic magmas

MW Förster, D Prelević, HR Schmück, S Buhre… - Chemical …, 2017 - Elsevier
Tectonically young, orogenic settings are commonly the sites of post-collisional silica-rich
ultrapotassic magmas with extreme K 2 O-contents of up to 9 wt% and K 2 O/Na 2 O> 2 …