Recent advances made by reaction experiments on melting of heavily metasomatized hydrous mantle

D Prelević, MW Förster, S Buhre, F Gülmez… - Earth-Science …, 2024 - Elsevier
Mantle-derived magmas are traditionally assumed to originate by melting of an upper mantle
consisting of uniform spinel-or garnet peridotite dominated by olivine. However, extensive …

Machine learning thermobarometry for biotite‐bearing magmas

X Li, C Zhang - Journal of Geophysical Research: Solid Earth, 2022 - Wiley Online Library
Biotite (sensu lato) is a widespread rock‐forming mineral in magmatic rocks that can be
stable in a broad range of pressure and temperature, but appropriate biotite thermometers or …

The Eastern Australian Volcanic Province, its primitive melts, constraints on melt sources and the influence of mantle metasomatism

JJ Shea, IS Ezad, SF Foley, AW Lanati - Earth-Science Reviews, 2022 - Elsevier
Abstract The Eastern Australian Volcanic Province (EAVP) is a∼ 3800 km discontinuous
belt of Cenozoic mafic intraplate volcanoes along the eastern seaboard of Australia. EAVP …

[HTML][HTML] Melting of hydrous pyroxenites with alkali amphiboles in the continental mantle: 1. Melting relations and major element compositions of melts

SF Foley, IS Ezad, SR van der Laan, M Pertermann - Geoscience Frontiers, 2022 - Elsevier
Melting experiments on ultramafic rocks rich in the hydrous minerals phlogopite or
phlogopite+ K-richterite, some including 5% of accessory phases, have been conducted at …

[HTML][HTML] Carbonatite formation in continental settings via high pressure–high temperature liquid immiscibility

M Berkesi, JL Myovela, GM Yaxley… - … et Cosmochimica Acta, 2023 - Elsevier
The goal of this study is to compare compositions of high temperature silicate-carbonatite
immiscible melts, known from melt inclusions and experiments, to compositions of silica …

Experimental production of K-rich metasomes through sediment recycling at the slab-mantle interface in the fore-arc

F Gülmez, D Prelević, MW Förster, S Buhre… - Scientific Reports, 2023 - nature.com
Sediment contribution to the mantle is the key step for the generation of orogenic
magmatism to produce its isotopic and geochemical inventory. Even though they are …

New geochemical constraints on the origins of MARID and PIC rocks: Implications for mantle metasomatism and mantle-derived potassic magmatism

A Fitzpayne, A Giuliani, J Hergt, D Phillips, P Janney - Lithos, 2018 - Elsevier
Abstract MARID (Mica-Amphibole-Rutile-Ilmenite-Diopside) and PIC (Phlogopite-Ilmenite-
Clinopyroxene) rocks are unusual mantle samples entrained by kimberlites and other …

Mo isotopes archive oceanic sediments in post-orogenic lithospheric mantle

F Huang, J Li, J Xu, J Chen, B Wang, P Hu, R Xu… - … et Cosmochimica Acta, 2023 - Elsevier
The super-chondritic Mo isotopic composition of the continental crust has been attributed to
contributions from subducted oceanic slabs and/or sediments, which introduce isotopically …

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 …

Sublithospheric melt input in cratonic lamproites

S Sarkar, A Giuliani, D Phillips, GH Howarth… - …, 2022 - pubs.geoscienceworld.org
Cratonic lamproites are diamondiferous ultrapotassic rocks that are emplaced through thick
continental lithosphere and thought to derive from melting of metasomatized (ie …