ALLANITE-(Nd) FROM SAPFIRINOVAYA PIT, SOUTHERN URALS: FIRST FIND IN RUSSIA [PDF]
Минералогия, 2019 Allanite-(Nd) (Ca1.20Mn0.02Nd0.33Ce0.21Sm0.07Pr0.06La0.03Gd0.02Y0.01)Σ1.95(Al1.94Fe2+ 0.46Fe3+ 0.42Mg0.08Sc0 .06Ti0.01)Σ2.97[Si2 O7 ][SiO4 ]O(OH) was found first in Russia as black crystals and grains up to 0.12 mm in size in a sapphirine-bearing rock of
A.V. Kasatkin, R. Škoda, A.M. Kuznetsov
doaj
Bimodal pumice populations in the 13.5 Ma Harsány ignimbrite, Bükkalja Volcanic Field, Northern Hungary: Syn-eruptive mingling of distinct rhyolitic magma batches? [PDF]
, 2009 The 13.5 Ma Harsány ignimbrite, in the eastern part of the Bükkalja volcanic field, eastern-central Europe, provides a rare example of mingled rhyolite.
Harangi, Szabolcs +3 more
core +1 more source
The Polumir granite: Addititional data on its origin [PDF]
Geološki Anali Balkanskoga Poluostrva, 2002 The Polumir granite is exposed on several localities due to erosion, and its chemical and mineral composition is presented in this paper. It is built of K-feldspar, plagioclase, myrmekite, metasomatic albite, biotite, muscovite and quartz, while apatite,
Vukov Milenko S., Milovanović Dragan
doaj +1 more source
Corona formation around monazite and xenotime during greenschist-facies metamorphism and deformation [PDF]
European Journal of Mineralogy, 2020 Epidote/allanite–fluorapatite coronae around monazite and xenotime are investigated in Permian pegmatites deformed under greenschist-facies conditions during Alpine tectonometamorphism in the Austroalpine basement, Eastern Alps.
F. Hentschel +4 more
doaj +1 more source
Occurrence and behavior of monazite-(Ce) and xenotime-(Y) in detrital and saprolitic environments related to the Serra Dourada granite, Goiás/Tocantins State, Brazil: Potential for REE deposits [PDF]
, 2015 This is the author's post-print and is released with a Creative Commons Attribution Non-Commercial No Derivatives License.The definitive published version is available from Elsevier via http://dx.doi.org/10.1016/j.gexplo.2015.03.007 © 2015 Elsevier B.V.
Botelho, NF, Santana, IV, Wall, F
core +1 more source
Vestnik MGTURare Earth Elements (REE) and yttrium phosphates monazite-(Ce) and xenotime-(Y), fluorine carbonates synchysite-(Ce) and parisite-(Ce), silicate allanite-(Ce) have been studied in the metamorphic rocks in the area of the Pellapahk Cu-Mo porphyry ...
Kalinin A. A. +2 more
doaj +1 more source
Crystal chemical significance of chemical zoning in dissakisite-(Ce) [PDF]
, 2008 Dissakisites from Trimouns dolomite mine,France, have two kinds of single crystals: chemical-zonedand homogeneous types. Back-scattered electron microprobe(BSE) images of these dissakisites reveal both Ca–Al rich dark zones and Fe-RREE rich bright zones ...
Hoshino Mihoko +5 more
core +1 more source
RöENTGENITE-(CE) AND OTHER REE FLUORCARBONATES FROM VEIN no. 35, VISHNEVYE MOUNTAINS, SOUTHERN URALS [PDF]
Минералогия, 2019 A mineral assemblage including REE fluorcarbonates (röntgenite-(Ce) Ca2Ce3(CO3)5F3 , parisite-(Ce) CaCe2(CO3 )3F2 , synchisite-(Ce) CaCe(CO3 )2F and bastnäsite-(Ce) Ce(CO3 )F) was discovered at the dumps of the Vein № 35 open pit, Mt.
A.V. Kasatkin +5 more
doaj +1 more source
Diamonds from Dachine, French Guiana : a unique record of Early Proterozoic subduction [PDF]
, 2016 This research was supported by NERC grant NE/J008583/1 to MJW and SCK.Diamonds from Dachine, French Guiana, are unique among worldwide diamond populations.
Bulanova, Galina P. +6 more
core +2 more sources
REE MINERALS OF PHYLLITES OF THE MAIN CENTRAL THRUST OF THE TAMOR WINDOW AREA, EASTERN NEPAL [PDF]
Минералогия, 2018 A sample of chlorite-muscovite fillite metamorphosed under greenschist facies of metamorphism below biotite isograde of the Lower Himalayan Sequence from the Main Central Thrust zone of the Tamor tectonic window area (Eastern Nepal) are studied.
E.V. Belogub +2 more
doaj