Mafic Rock - an overview | ScienceDirect Topics
Jun 8, 1999 · Mafic rocks are defined as igneous rocks that have high proportions of minerals rich in magnesium oxide (MgO), iron oxide (FeO), and calcium oxide (CaO), such as olivine, …
Geochemistry and origin of the Late Carboniferous ultramafic, …
Sep 1, 2024 · Differences in the modal percentage of felsic and mafic minerals define the layering in layered gabbro, gradational contacts as the composition of different rock types changes …
OIB-type mafic–ultramafic rocks in South Guangxi, South China: A …
Mar 1, 2024 · Late Permian ultramafic–mafic igneous rocks in the Pingxiang area, Guangxi, South China include wehrlite, gabbro, diabase, and amygdaloidal basalt. Ge…
Differential lithospheric evolution during craton destruction: …
Mar 1, 2025 · Mafic magmatic suites are key to understanding the evolution of cratonic lithospheric mantle, especially by analyzing their geochemical and isotopic transitions. This …
Petrogenetic and dynamic links between felsic and mafic magmas ...
Sep 1, 2025 · Abstract Felsic-mafic magmatism in post-collisional settings provides valuable insights into the growth and evolution of continental crust, but the interaction processes …
Chemical geodynamics of mafic magmatism above subduction …
Jun 1, 2020 · The present review focuses on the origin of enriched signatures in mafic igneous rocks above subduction zones. Although these mafic rocks are distributed in both interplate …
The mafic–ultramafic roots of a magmatic arc from the East Kunlun ...
Jul 1, 2025 · Magmatic arcs are key contributors to continental growth. Here we investigate a mafic–ultramafic suite from Xiwanggou in the Eastern Kunlun Orogen, of…
Cobalt-rich porphyry deposits derived from multiple mafic magma ...
Jun 15, 2025 · The mafic microgranular enclaves in the Jinchang diorite porphyry are evidence of the injection of mafic magma (Fig. 2h, i). Building upon the evidence above, it can be …
Preservation of Archean mafic lower continental crust worldwide
Jan 15, 2024 · The quantity of Archean rocks in the lower crust may be much greater than that exposed. Mafic granulite xenoliths found in Archean cratons have generally been inferred to …
Petrological models of magma evolution on the formation of …
Jan 1, 2024 · The petrogenesis of these mafic-felsic igneous complexes has been controversial. This study investigates geochemical correlations of the microgabbros at the margin of the …