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| Decrée, Sophie, Boulvais, Philippe, Tack, Luc, André, Luc, Baele, Jean-Marc (2016) Fluorapatite in carbonatite-related phosphate deposits: the case of the Matongo carbonatite (Burundi) Mineralium Deposita, 51 (4) 453-466 doi:10.1007/s00126-015-0620-1 | Journal (article/letter/editorial) | | Fluorapatite in carbonatite-related phosphate deposits: the case
of the Matongo carbonatite (Burundi)
Sophie...Springer-Verlag Berlin Heidelberg 2015
Abstract The Matongo carbonatite intrusive body in the
Neoproterozoic Upper...Upper Ruvubu alkaline plutonic complex
(URAPC) in Burundi is overlain by an economic phosphate
ore deposit...ppm). In the case of phosphate exploitation at Matongo,
REE could prove to have a subeconomic potential...Fluorapatite . Carbonatite-related ore deposits .
Matongo . Neoproterozoic . Burundi
Introduction
Carbonatites | 👁 Image
| Ntiharirizwa, Seconde, Boulvais, Philippe, Poujol, Marc, Branquet, Yannick, Morelli, Cesare, Ntungwanayo, Joël, Midende, Gilbert (2018) Geology and U-Th-Pb Dating of the Gakara REE Deposit, Burundi. Minerals, 8 (9) 394 doi:10.3390/min8090394 | Journal (article/letter/editorial) | | and U-Th-Pb Dating of the Gakara REE
Deposit, Burundi
Seconde Ntiharirizwa 1,2, *, Philippe Boulvais...Sciences Department, University of Burundi, 2700 Bujumbura, Burundi;
gilbertm@rainbowrareearths.com
Institut...Rare Earths, 3 Boulevard du Japon, Bujumbura, Burundi; cesarem@rainbowrareearths.com (C.M.);
joeln@rainbowrareearths...activity. It is located near Lake
Tanganyika in Burundi, along the western branch of the East African Rift...dating; REE deposit; bastnaesite; monazite; Gakara; Burundi
1. Introduction
During the recent years, the scientific | 👁 Image
| Slobodník, Marek, Dillingerová, Veronika, Blažeková, Michaela, Huraiová, Monika, Hurai, Vratislav (2020) Trace Elements in Apatite as Genetic Indicators of the Evate Apatite-Magnetite Deposit, NE Mozambique. Minerals, 10 (12) 1125 doi:10.3390/min10121125 | Journal (article/letter/editorial) | | Evate deposit is a post-collisional orogenic carbonatite genetically linked with
mafic plutonic rocks...dissolution-reprecipitation.
Keywords: apatite; carbonatite; cathodoluminescence; geochemistry; Evate; Mozambique...was
interpreted as a differentiated nelsonite-carbonatite sill intruding granulite-facies rocks of the...it crystallizes during the fractionation of carbonatite and silicate melts
due to low solubility of phosphorus...oldest age
record, ~590 Ma, has been obtained from zircon and baddeleyite in magnetite-apatite-olivine-spinel | 👁 Image
| Downes, Peter J., Dunkley, Daniel J., Fletcher, Ian R., McNaughton, Neal J., Rasmussen, Birger, Jaques, A. Lynton, Verrall, Michael, Sweetapple, Marcus T. (2016) Zirconolite, zircon and monazite-(Ce) U-Th-Pb age constraints on the emplacement, deformation and alteration history of the Cummins Range Carbonatite Complex, Halls Creek Orogen, Kimberley region, Western Australia. Mineralogy and Petrology, 110 (2) 199-222 doi:10.1007/s00710-015-0418-y | Journal (article/letter/editorial) | | 1007/s00710-015-0418-y
ORIGINAL PAPER
Zirconolite, zircon and monazite-(Ce) U-Th-Pb age constraints
on the...and alteration history
of the Cummins Range Carbonatite Complex, Halls Creek
Orogen, Kimberley region...zirconolite in
clinopyroxenite from the Cummins Range Carbonatite
Complex, situated in the southern Halls Creek...Monazite-(Ce) in a strongly foliated dolomite
carbonatite produced U-Th-Pb dates ranging from ~900–
590...Orogeny.
The emplacement of the Cummins Range Carbonatite
Complex probably resulted from the reactivation | 👁 Image
| | Journal (article/letter/editorial) | | of apatite and preferential
LREE mobility in carbonatite-derived late-stage hydrothermal
processes—Sam...Jurassic porphyry Mo deposits,
east-central Jilin Province, China: Geochemistry, geochronology,
and petrogenesis—Yong...Fluorapatite in carbonatite-related phosphate deposits: The case of the
Matongo carbonatite (Burundi)—Sophie...Piercey, and Trish Toole
533
Multiple S isotopes, zircon Hf isotopes, whole-rock Sr-Nd isotopes,
and spatial | 👁 Image
| | Report (article/chapter) | | spectroscopy, QEMSCAN microscopy, U-Pb dating of detrital zircon.
Upper Jurassic-Cretaceous silt-sized sediments...the most common minerals together with durable
zircon, tourmaline and subordinate rutile. Accessory but...highlights a close association among durable minerals
(zircon, tourmaline and rutile, ZTR) while garnet and apatite...and Cii
types) samples. U-Pb dating of detrital zircon and their statistical integration with the above...quartz and feldspar types, garnet end-members,
U
zircon, tourmaline, amphibole and epidote types (Gasharova | 👁 Image
| Zhu, Jiang, Wang, Lianxun, Peng, Sanguo, Peng, Lianhong, Wu, Changxiong, Qiu, Xiaofei (2017) U-Pb zircon age, geochemical and isotopic characteristics of the Miaoya syenite and carbonatite complex, central China. Geological Journal, 52 (6) 938-954 doi:10.1002/gj.2859 | Journal (article/letter/editorial) | | U–Pb zircon age, geochemical and isotopic characteristics of the Miaoya syenite
and carbonatite complex...Xiaogan, Hubei, China
2
The Miaoya syenite and carbonatite complex is located in the southern margin of...central China. LA-ICP-MS zircon
U–Pb dating reveals that the syenite and carbonatite have crystallization...(MSWD = 1.08), respectively. Both syenite and carbonatite display low ISr values (0.7004 to 0.7053) and...one-stage Nd model ages of 0.65 to 0.94 Ga. Their zircon εHf(t) values are also similarly positive (+3.1 | 👁 Image
| | Journal (article/letter/editorial) | | is the largest sediment-hosted stratiform
Cu–Co province on Earth, hosting at least 200 Mt copper
and 8...erosion of the Nchanga Granite at 883±
10 Ma (U–Pb on zircon; Armstrong et al. 2005) and is divided
into four...information for these rocks is limited. Recent detrital zircon studies
suggest an age between 840 and 790 Ma years...part of the Dipeta Subgroup (Fig. 2) yield
maximum zircon U–Pb SHRIMP ages of 765±5 Ma in northwestern Zambia...1999; Porada and Berhorst 2000). Based on U–Pb zircon dating of syntectonic granites, Hanson et al. (1993) | 👁 Image
| | Journal (article/letter/editorial) | | alkaline silicate igneous rocks, forming
alkaline-carbonatite complexes, but some occur as isolated pipes,...indicator mineral surveys Carbonatites and alkaline-carbonatite
complexes are the main sources of rare earth... Nine per cent
of carbonatites and alkaline-carbonatite complexes contain active or historic mines, making...Introduction
Mineralised carbonatites and alkaline-carbonatite
complexes are highly sought after, multi-commodity...targets for mining companies worldwide. Alkaline-carbonatite complexes are significant sources of
Cu, apatite | 👁 Image
| Anenburg, Michael, Burnham, Antony D., Mavrogenes, John A. (2018) REE Redistribution Textures in Altered Fluorapatite: Symplectites, Veins, and Phosphate-Silicate-Carbonate Assemblages from the Nolans Bore P-REE-Th Deposit, Northern Territory, Australia. The Canadian Mineralogist, 56 (3) 331-354 doi:10.3749/canmin.1700038 | Journal (article/letter/editorial) | | mineral processing.
Keywords: fluorapatite, carbonatite, cerium anomaly, phosphate, REE-carbonates, critical...2014), are mostly obtained from
carbonatites or carbonatite-related ore deposits
(Chakhmouradian & Zaitsev...al.
2017), or transported externally from the carbonatite to
§
a secondary distal deposit (commonly HREE;...(2015) and Huston et
al. (2016) and of the Aileron province, more
Downloaded from https://pubs.geoscienceworld...formation by reaction
of a moderately magnesian carbonatite with the
silicate wall rocks at 750–850 8C (Anenburg | 👁 Image
| Decrée, Sophie, Savolainen, Mikko, Mercadier, Julien, Debaille, Vinciane, Höhn, Stefan, Frimmel, Hartwig, Baele, Jean-Marc (2020) Geochemical and spectroscopic investigation of apatite in the Siilinjärvi carbonatite complex: Keys to understanding apatite forming processes and assessing potential for rare earth elements. Applied Geochemistry, 123. 104778pp. doi:10.1016/j.apgeochem.2020.104778 | Journal (article/letter/editorial) | | investigation of apatite in the Siilinjärvi Carbonatite
Complex: keys to understanding apatite forming...investigation of apatite in the Siilinjärvi Carbonatite
Complex: keys to understanding apatite forming...investigation of apatite in the Siilinjärvi
Carbonatite Complex: keys to understanding apatite forming...by an Archean carbonatite complex. The main
body is composed of glimmerite, carbonatite and combinations...Almost all the rocks pertaining to the glimmerite-carbonatite series are
considered for exploitation of phosphate | 👁 Image
| | Journal (article/letter/editorial) | | niobium, metallogeny of tantalum, tantaloniobates, carbonatite, nepheline syenite, alkali granite, syenite,...(Fennoscandian) Shield, namely, Siilinjärvi carbonatite and Saharjok nepheline–syenite (Zozulya et al...rock; z, zircon; zw, zinnwaldite; 6 ag means alkali granite; as, alkali syenite; cb, carbonatite; h, hydrothermal...rare-earth elements and zircon (Cox et al., 2011), and it is REEs and zircon that are of the main economic...minerals such as eudialyte (kentbrooksite) and zircon with high contents of tantalum, niobium, and rare | 👁 Image
| Cangelosi, Delia, Smith, Martin, Banks, David, Yardley, Bruce (2020) The role of sulfate-rich fluids in heavy rare earth enrichment at the Dashigou carbonatite deposit, Huanglongpu, China. Mineralogical Magazine, 84 (1) 65-80 doi:10.1180/mgm.2019.78 | Journal (article/letter/editorial) | | Heavy Rare Earth
enrichment at the Dashigou carbonatite deposit,
Huanglongpu, China
Delia Cangelosi a...Qinling orogenic belt in
central China. Calcite carbonatite dykes at the Dashigou open pit are unusual due...economic concentrations of molybdenite. The calcite carbonatite
dykes show two styles of mineralogy according...concentration. The REE in the little-altered calcite carbonatite
occur mostly in magmatic REE minerals, mainly...reaction of sulfate-rich fluids with the calcite carbonatite dykes. The
final HREE enrichment is due to a | 👁 Image
| Graupner, Torsten, Klemd, Reiner, Henjes-Kunst, Friedhelm, Goldmann, Simon, Behnsen, Helge, Gerdes, Axel, Dohrmann, Reiner, Barton, Jay M., Opperman, Rehan (2018) Formation conditions and REY enrichment of the 2060 Ma phosphorus mineralization at Schiel (South Africa): geochemical and geochronological constraints. Mineralium Deposita, 53 (8) 1117-1142 doi:10.1007/s00126-018-0791-7 | Journal (article/letter/editorial) | | types in the apatite deposit. Uranium-lead
ages of zircon from phoscorite (sensu lato) and syenite are in...apatite-mineralized pyroxenite, phoscorite and carbonatite from Phalaborwa.
Keywords Schiel Alkaline Complex...of the two
well-known intrusions of the older carbonatite and alkali
intrusive event emplaced on the Kaapvaal...mineralization associated with pyroxenite
and carbonatite in the eastern intrusion, though, activities...various
lithologies of the complex. Uranium-lead zircon ages of
two syenites and a websterite presented | 👁 Image
| Decrée, Sophie, Cawthorn, Grant, Deloule, Etienne, Mercadier, Julien, Frimmel, Hartwig, Baele, Jean-Marc (2020) Unravelling the processes controlling apatite formation in the Phalaborwa Complex (South Africa) based on combined cathodoluminescence, LA-ICPMS and in-situ O and Sr isotope analyses. Contributions to Mineralogy and Petrology, 175 (4) doi:10.1007/s00410-020-1671-6 | Journal (article/letter/editorial) | | alkaline complex mainly
composed of phoscorite, carbonatite, pyroxenitic rocks, and subordinate fenite. In...host rocks (pyroxenitic rocks, phoscorite and carbonatite) formed primarily
by igneous processes from mantle-derived...fresh carbonatitic magma into earlier-formed carbonatite bodies locally induced
re-equilibration of early...important phosphate deposits worldwide.
Keywords Carbonatite-related ore deposits · Kaapvaal craton · Paleoproterozoic...pyroxenites, with subordinate
phoscorite and carbonatite (Fig. 1). Most of the phosphate
at Phalaborwa | 👁 Image
| Roda-Robles, Encarnación, Gil-Crespo, Pedro Pablo, Pesquera, Alfonso, Lima, Alexandre, Garate-Olave, Idoia, Merino-Martínez, Enrique, Cardoso-Fernandes, Joana, Errandonea-Martin, Jon (2022) Compositional Variations in Apatite and Petrogenetic Significance: Examples from Peraluminous Granites and Related Pegmatites and Hydrothermal Veins from the Central Iberian Zone (Spain and Portugal) Minerals, 12 (11) 1401 doi:10.3390/min12111401 | Journal (article/letter/editorial) | | Both pegmatites are located in the Salamanca province (Spain). The Cañada pegmatite is partly hosted...Cassiterite, pyrite, uraninite, corundum, ilmenite, zircon and Fe–Mn carbonates are the main accessory minerals...the crystallization of other phases, except for zircon, monazite and other REE-bearing minerals [15]....recorded by the compositions of accessory apatite and zircon. Contrib. Mineral. Petrol. 2013, 166, 1–19. [CrossRef]...Xie, F.; Tang, J.; Chen, Y.; Lang, X. Apatite and zircon geochemistry of Jurassic porphyries in the Xiongcun | 👁 Image
| | Journal (article/letter/editorial) | | 136147.
639
U-Pb and Hf isotope characteristics
of zircon from chromitites at Finero
I.YU. BADANINA1, K.N...trenches of Alpe Polunia and Rio Creves.
Dominant zircon population is pale pink and show different
shapes...recrystallized rim on a
preserved core). Subordinate zircon grains are colourless, with
a smoky cathodoluminescense... The
youngest cluster, typical for subordinate zircon population and
rims in complex grains from dominant...increase in 176Hf/177Hf(t) ratio
from old to young zircon populations defines a trend, which
follow CHUR |
|
