Experimental petrology constraints on kamafugitic magmas

F Innocenzi, IS Ezad, S Ronca… - European Journal of …, 2024 - ejm.copernicus.org
Kamafugites are rare volcanic igneous rocks, characterized by the presence of kalsilite and
variable amounts of leucite, nepheline, melilite, clinopyroxene, olivine and phlogopite, which …

[HTML][HTML] Polycrystalline diamond aggregates and their role in Earth's deep carbon cycle

DE Jacob, RA Stern, J Czas, M Reutter… - … et Cosmochimica Acta, 2025 - Elsevier
Polycrystalline diamond aggregates (PDAs) are small rocks composed mostly of diamond
grains, but often containing also peridotitic, eclogitic and/or websteritic minerals as …

Petrogenesis and geodynamic mechanism of Early Miocene post-collisional ultrapotassic rocks in the eastern Lhasa Terrane, southern Tibet

C Hua, F Huang, S Zhang, H Fan, Y Zeng, M Li… - Lithos, 2025 - Elsevier
Post-collisional ultrapotassic volcanic rocks (UPVRs) in the Tethyan domain archive crucial
information about the composition and evolution of the lithospheric mantle, offering valuable …

Multi-stage enrichment in the mantle source region of cratonic lamproites: Geochemical and Sr-Nd-Hf-Os isotopic insights from the Mesoproterozoic lamproites of …

R Pandey, MK Singh, A Pandey, NVC Rao… - Precambrian …, 2025 - Elsevier
Deep cratonic mantle-derived magmatic rocks such as lamproites provide significant
insights into the composition and evolution of the sub-continental and sub-lithospheric …

Melting of amphibole-apatite-rich metasomes in the continental mantle and comparison of melt compositions with natural igneous rocks

SF Foley, IS Ezad, C Shu, MW Förster - Lithos, 2025 - Elsevier
The source regions of alkaline igneous melts are thought to be mixtures of peridotite,
pyroxenite and hydrous ultramafic rocks, but relatively few melting experiments are available …

Origin of Ultrapotassic, Ultracalcic, Ultrabasic SiO2‐Undersaturated Magmas: The Case Study of the Pleistocene Cupaello Kamafugite Monogenetic Volcano, Central …

M Lustrino, L Pistocchi, S Ronca… - Geochemistry …, 2025 - Wiley Online Library
Abstract The Pleistocene (∼ 0.6 Ma) Cupaello monogenetic volcano, crop** out in central
Italy, belongs to the Intra Apennine Province (IAP). It is represented by a single lava flow with …