Halogens in mafic and intermediate-silica content magmas

JD Webster, DR Baker, A Aiuppa - The role of halogens in terrestrial and …, 2018 - Springer
As volatile and variably mobile components, halogens play key roles in magmatic,
metasomatic, mineralizing, and volcanic processes by influencing the physical and chemical …

Two-component mantle melting-mixing model for the generation of mid-ocean ridge basalts: Implications for the volatile content of the Pacific upper mantle

K Shimizu, AE Saal, CE Myers, AN Nagle… - … et Cosmochimica Acta, 2016 - Elsevier
We report major, trace, and volatile element (CO 2, H 2 O, F, Cl, S) contents and Sr, Nd, and
Pb isotopes of mid-ocean ridge basalt (MORB) glasses from the Northern East Pacific Rise …

MORB mantle hosts the missing Eu (Sr, Nb, Ta and Ti) in the continental crust: new perspectives on crustal growth, crust–mantle differentiation and chemical structure …

Y Niu, MJ O'Hara - Lithos, 2009 - Elsevier
We have examined the high quality data of 306 mid-ocean ridge basalt (MORB) glass
samples from the East Pacific Rise (EPR), near-EPR seamounts, Pacific Antarctic Ridge …

The smoothness and shapes of chondrite-normalized rare earth element patterns in basalts

HSC O'Neill - Journal of Petrology, 2016 - academic.oup.com
The customary practice for displaying REE abundances is to normalize them to chondritic
abundances and then to plot these normalized abundances in order of atomic number, Z …

Thallium isotopes as tracers of recycled materials in subduction zones: Review and new data for lavas from Tonga-Kermadec and Central America

SG Nielsen, J Prytulak, J Blusztajn, Y Shu… - Journal of Volcanology …, 2017 - Elsevier
Sediment is actively being subducted in every convergent margin worldwide. Yet,
geochemical data for arc lavas from several subduction zones, such as Northern Tonga and …

Evidence for the survival of the oldest terrestrial mantle reservoir

MG Jackson, RW Carlson, MD Kurz, PD Kempton… - Nature, 2010 - nature.com
Helium is a powerful tracer of primitive material in Earth's mantle. Extremely high 3He/4He
ratios in some ocean-island basalts suggest the presence of relatively undegassed and …

Hemispheric geochemical dichotomy of the mantle is a legacy of austral supercontinent assembly and onset of deep continental crust subduction

MG Jackson, FA Macdonald - AGU Advances, 2022 - Wiley Online Library
Oceanic hotspots with extreme enriched mantle radiogenic isotopic signatures—including
low 143Nd/144Nd indicative of subducted continental crust—are linked to plume conduits …

Asthenospheric control of melting processes in a monogenetic basaltic system: a case study of the Auckland Volcanic Field, New Zealand

LE McGee, IEM Smith, MA Millet, HK Handley… - Journal of …, 2013 - academic.oup.com
High-resolution sampling in monogenetic fields has the potential to reveal fine-scale
heterogeneity of the mantle, a feature that may be overwhelmed by larger fluxes of magma …

Evolution of the East African rift: Drip magmatism, lithospheric thinning and mafic volcanism

T Furman, WR Nelson, LT Elkins-Tanton - Geochimica et Cosmochimica …, 2016 - Elsevier
The origin of the Ethiopian-Yemeni Oligocene flood basalt province is widely interpreted as
representing mafic volcanism associated with the Afar mantle plume head, with minor …

Petrogenesis of Late Cenozoic basalts from North Hainan Island: Constraints from melt inclusions and their host olivines

JQ Liu, ZY Ren, ARL Nichols, MS Song, SP Qian… - … et Cosmochimica Acta, 2015 - Elsevier
Melt inclusions and their host olivines in basaltic lavas provide important information about
the nature of their mantle source. We present the first analyzed chemical data of olivine …