The magmatic and magmatic-hydrothermal evolution of felsic igneous rocks as seen through Nb-Ta geochemical fractionation, with implications for the origins of rare …
Abstract Despite Nb and Ta being considered as 'geochemical twins', most Ta mineral
deposits are associated with muscovite-bearing peraluminous granites and related …
deposits are associated with muscovite-bearing peraluminous granites and related …
[HTML][HTML] A review of Palaeoarchaean felsic volcanism in the eastern Kaapvaal craton: Linking plutonic and volcanic records
In the Kaapvaal craton of southern Africa, as well as other Archaean cratons worldwide, the
progression from dominant tonalite–trondhjemite–granodiorite (TTG) to granite …
progression from dominant tonalite–trondhjemite–granodiorite (TTG) to granite …
Europium and barium enrichments in compositionally zoned felsic tuffs: A smoking gun for the origin of chemical and physical gradients by cumulate melting
Felsic pyroclastic deposits of overall low crystallinity erupted from caldera volcanoes
frequently display internal gradients in composition and crystal content. The chemical …
frequently display internal gradients in composition and crystal content. The chemical …
The origin of trachyte and pantellerite from Pantelleria, Italy: insights from major element, trace element, and thermodynamic modelling
Trachyte and peralkaline rhyolite (pantellerite and comendite) frequently comprise the felsic
end-member in bimodal suites in continental rift and oceanic island settings. In these …
end-member in bimodal suites in continental rift and oceanic island settings. In these …
Magmatic evolution and controls on rare metal-enrichment of the Strange Lake A-type peralkaline granitic pluton, Québec-Labrador
Although it is well known that A-type granites are enriched in the rare earth elements (REE)
and other high field strength elements (HFSE), the magmatic processes that concentrate …
and other high field strength elements (HFSE), the magmatic processes that concentrate …
Titanite major and trace element compositions as petrogenetic and metallogenic indicators of Mo ore deposits: Examples from four granite plutons in the southern …
Major, minor, and trace element abundances in titanite crystals from four granitic plutons in
southern Yidun arc, SW China, have been determined using electron microprobe and laser …
southern Yidun arc, SW China, have been determined using electron microprobe and laser …
LA-ICP-MS mineral chemistry of titanite and the geological implications for exploration of porphyry Cu deposits in the **shajiang–Red River alkaline igneous belt, SW …
L Xu, X Bi, R Hu, Y Tang, X Wang, Y Xu - Mineralogy and Petrology, 2015 - Springer
Abstract The **shajiang–Red River alkaline igneous belt in the eastern Indian–Asian
collision zone, of southwestern China, hosts abundant, economically important Cu–Mo–Au …
collision zone, of southwestern China, hosts abundant, economically important Cu–Mo–Au …
Fractionation of peralkaline silicic magmas: The greater olkaria volcanic complex, Kenya Rift Valley
AS Marshall, R Macdonald, NW Rogers… - Journal of …, 2009 - academic.oup.com
Abstract The Greater Olkaria Volcanic Complex is a young (≤ 20 ka) multi-centred system in
the central Kenya Rift Valley, mainly represented at outcrop by peralkaline rhyolites. The …
the central Kenya Rift Valley, mainly represented at outcrop by peralkaline rhyolites. The …
How late are K-feldspar megacrysts in granites?
RH Vernon, SR Paterson - Lithos, 2008 - Elsevier
Various petrologists have suggested that K-feldspar megacrysts grow in granites that are
extensively crystallized, even at subsolidus conditions. However, experimental evidence …
extensively crystallized, even at subsolidus conditions. However, experimental evidence …
Genesis of post-hotspot, A-type rhyolite of the Eastern Snake River Plain volcanic field by extreme fractional crystallization of olivine tholeiite
M McCurry, KP Hayden, LH Morse, S Mertzman - Bulletin of Volcanology, 2008 - Springer
Rhyolites occur as a subordinate component of the basalt-dominated Eastern Snake River
Plain volcanic field. The basalt-dominated volcanic field spatially overlaps and post-dates …
Plain volcanic field. The basalt-dominated volcanic field spatially overlaps and post-dates …