Mixing of magmatic-hydrothermal and metamorphic fluids and the origin of peribatholitic Sn vein-type deposits in Rwanda

J Van Daele, N Hulsbosch, S Dewaele, MC Boiron… - Ore Geology …, 2018 - Elsevier
The fluid sources of granite-related Sn-quartz vein deposits are commonly obscured by fluid
mixing or fluid-rock interactions. As a result, fluid inclusions, minerals and isotopes in these …

Origin of high electrical conductivity in the lower continental crust: A review

X Yang - Surveys in Geophysics, 2011 - Springer
Electromagnetic measurements have demonstrated that the lower continental crust has
remarkable electrical anomalies of high conductivity and electrical anisotropy on a global …

Recognition of a 600-km-long Late Triassic rare metal (Li-Rb-Be-Nb-Ta) pegmatite belt in the western Kunlun orogenic belt, Western China

QH Yan, H Wang, G Chi, Q Wang, H Hu… - Economic …, 2022 - pubs.geoscienceworld.org
The rising demand of strategic metals, especially lithium, necessitates discovery of new
resources to meet the global supply chain. Recently, several pegmatite-hosted rare metal (Li …

Alkali metal and rare earth element evolution of rock-forming minerals from the Gatumba area pegmatites (Rwanda): Quantitative assessment of crystal-melt …

N Hulsbosch, J Hertogen, S Dewaele, L André… - … et Cosmochimica Acta, 2014 - Elsevier
This study presents a general model for the evaluation of Rayleigh fractional crystallisation
as the principal differentiation mechanism in the formation of regionally zoned common and …

Fluid fractionation of tungsten during granite–pegmatite differentiation and the metal source of peribatholitic W quartz veins: Evidence from the Karagwe-Ankole Belt …

N Hulsbosch, MC Boiron, S Dewaele… - … et Cosmochimica Acta, 2016 - Elsevier
The identification of a magmatic source for granite-associated rare metal (W, Nb, Ta and Sn)
mineralisation in metasediment-hosted quartz veins is often obscured by intense fluid–rock …

Electrical conductivity of orthopyroxene and plagioclase in the lower crust

X Yang, H Keppler, C McCammon, H Ni - Contributions to Mineralogy and …, 2012 - Springer
The electrical conductivities of lower crustal orthopyroxene and plagioclase, as well as their
dependence on water content, were measured at 6–12 kbar and 300–1,000° C on both …

[HTML][HTML] Genetic relationship between greisenization and Sn-W mineralizations in vein and greisen deposits: Insights from the Panasqueira deposit (Portugal)

G Launay, S Sizaret, P Lach… - Bulletin de la …, 2021 - pubs.geoscienceworld.org
The W-Sn Panasqueira ore deposit is a magmatic-hydrothermal system, which includes a
high grade quartz-vein type mineralization and underneath disseminated greisen-type …

Detailed paragenesis and Li-mica compositions as recorders of the magmatic-hydrothermal evolution of the Maoping W-Sn deposit (Jiangxi, China)

H Legros, C Marignac, J Mercadier, M Cuney… - Lithos, 2016 - Elsevier
Li-micas have been used as indicators of the evolution of granites. However, hydrothermal
Li-micas are less documented. World-class W-Sn deposits associated with Early …

A new style of rare metal granite with Nb-rich mica: The Early Cretaceous Huangshan rare-metal granite suite, northeast Jiangxi Province, southeast China

Z Zhu, R Wang, C Marignac, M Cuney… - American …, 2018 - degruyter.com
In rare-metal granites, niobium and tantalum are generally hosted by Nb–Ta oxides.
However, in SE China, the Nb-specialized Huangshan granites are a unique occurrence in …

Mineralogy of the Koktokay No. 3 pegmatite, Altai, NW China: implications for evolution and melt–fluid processes of rare-metal pegmatites

Q Zhou, K Qin, D Tang, C Wang… - European Journal …, 2015 - pubs.geoscienceworld.org
The Koktokay No. 3 pegmatite is the largest Li-Be-Nb-Ta-Cs pegmatitic rare-metal deposit of
the Chinese Altai orogenic belt, and is famous for its concentric ring zonation pattern (nine …