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…
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 …
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 …
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 …
Syn- and post-collisional mafic igneous rocks from the East Kunlun ...
Jun 1, 2024 · Syn- to post-collisional mafic igneous rocks are widely distributed along continental collision orogenic belts and can be used to constrain the nature…