 | Read, David, Andreoli, Marco A.G., Knoper, Mike, Williams, C. Terry, Jarvis, Neil (2002) The degradation of monazite: Implications for the mobility of rare-earth and actinide elements during low-temperature alteration. European Journal of Mineralogy, 14 (3) 487-498 doi:10.1127/0935-1221/2002/0014-0487 | Journal (article/letter/editorial) | | Mineral. 2002, 14, 487–498 The degradation of monazite: Implications for the mobility of rare-earth and...com 2 South African Nuclear Energy Corporation (NECSA), PO Box 582, Pretoria 0001, South Africa 3 Schonland...University of the Witwatersrand, PO Box 3, Wits 2050, South Africa 4 Dept. of Geology, Rand Afrikaans University...University, P.O. Box 524, Auckland Park 2006, South Africa 5 Dept. of Mineralogy, The Natural History Museum...Museum, Cromwell Rd, London, SW7 5BD, UK Abstract: Monazite is an important economic source of thorium, the |  | | Journal (article/letter/editorial) | | matrices. Thorium, though released on alteration of monazite, tends to re-concentrate locally in secondary...ion of phosphate phases. It is concluded that monazite-like ceramics designed for the containment of...with HPO24 than even to carbonate of glasses or monazite-like ceramics. Even where species was given added...safety assessment calculations are profound, as and local groundwaters. More recently, apatite discussed elsewhere...supplemented by research into crystalline ceramics. Monazite ceramics in the heavier rare earths (HREE), Gd |  | Broom-Fendley, Sam, Smith, Martin P, Andrade, Marcelo B, Ray, Santanu, Banks, David A, Loye, Edward, Atencio, Daniel, Pickles, Jonathan R, Wall, Frances (2020) Sulfur-bearing monazite-(Ce) from the Eureka carbonatite, Namibia: oxidation state, substitution mechanism, and formation conditions. Mineralogical Magazine, 84 (1) 35-48 doi:10.1180/mgm.2019.79 | Journal (article/letter/editorial) | | Sulfur-bearing monazite-(Ce) from the Eureka carbonatite, Namibia: oxidation state, substitution mechanism...Paulo, SP, Brazil Running title: “Sulfur-bearing Monazite-(Ce) from Eureka, Namibia” This is a 'preproof'...1180/mgm.2019.79 Keywords Sulfur-bearing monazite-(Ce) Redox Carbonatite Silcrete ...Calcrete Weathering Abstract Sulfur-bearing monazite-(Ce) occurs in silicified carbonatite at Eureka...forming rims up to ~0.5 mm thick on earlier-formed monazite-(Ce) megacrysts. We present X-ray photoelectron |  | Gonçalves, Guilherme O., Lana, Cristiano, Scholz, Ricardo, Buick, Ian S., Gerdes, Axel, Kamo, Sandra L., Corfu, Fernando, Marinho, Moacyr M., Chaves, Alexandre O., Valeriano, Claudio, Nalini, Hermínio A. (2016) An assessment of monazite from the Itambé pegmatite district for use as U–Pb isotope reference material for microanalysis and implications for the origin of the “Moacyr” monazite. Chemical Geology, 424. 30-50 doi:10.1016/j.chemgeo.2015.12.019 | Journal (article/letter/editorial) | | An assessment of monazite from the Itambé pegmatite district for use as U–Pb isotope reference...and implications for the origin of the “Moacyr” monazite Guilherme de Oliveira Gonçalves, Cristiano Lana...Arias Nalini, An assessment of monazite from the Itambé pegmatite district for use as U–Pb isotope reference...and implications for the origin of the “Moacyr” monazite, Chemical Geology (2015), doi: 10.1016/j.chemgeo...MANUSCRIPT An assessment of monazite from the Itambé pegmatite district for use as U-Pb isotope reference |  | Harlov, Daniel, Ballouard, Christophe, Elburg, Marlina, Knoper, Michael, Wilke, Franziska, Ning, Wen Bin, Andreoli, Marco A.G. (2020) Genesis of monazite-rich, orthopyroxene-bearing veins in the Kliphoog area of the Concordia Granite, Springbok, Namaqualand, South Africa: Sources, fluids, and the mobility of actinides and REE. Lithos, 376. 105762pp. doi:10.1016/j.lithos.2020.105762 | Journal (article/letter/editorial) | | com/locate/lithos Research Article Genesis of monazite-rich, orthopyroxene-bearing veins in the Kliphoog...the Concordia Granite, Springbok, Namaqualand, South Africa: Sources, fluids, and the mobility of actinides...Johannesburg, P.O. Box 524, Auckland Park 2006, South Africa d Université de Lorraine, CNRS, GeoRessources...Witwatersrand, Private Bag 3, 2050 Wits, Johannesburg, South Africa b a r t i c l e i n f o Article history:...Keywords: Zircon Monazite Fluids REE Granite South Africa a b s t r a c t A network of monazite-rich, coarse-grained |  | | Journal (article/letter/editorial) | | mining and processing, GHG emission, Radioactive mine waste Introduction Rare earth elements (REEs) have...Process Science and Engineering, Box 312, Clayton South, VIC 3169, Australia 2 *Corresponding author, email...crust vary significantly, as shown in Table 1, with Ce having an average crustal concentration (63 ppm)...Element name IUPAC Mining Average crust/ppm{ La Ce Pr Nd Pm 57 58 59 60 61 Lanthanum Cerium Praseodymium...minerals at present are bastnäsite [(Ce,La)(CO3)F] and monazite [(Ce,La,Nd, Th)PO4], and a detailed list |  | | Journal (article/letter/editorial) | | CSIRO Mineral Resources, Private Bag 10, Clayton South, VIC 3169, Australia Abstract Rare earth elements...hosted by carbonatite deposits, and bastnäsite, monazite, and xenotime are the three most significant REE...at Palabora, Steenkampskraal, and Mary Kathleen) and 12.4 Mt TREO + Y is hosted by monazite within heavy...1994–2011, 1997–2015). Australian REO are based on monazite production data, assuming a minimum of 60% contained...Browns Range, etc.) defining the LREE as including La, Ce, Pr, and Nd, whereas the HREE (as reported by the |  | | Journal (article/letter/editorial) | | Improving U-Th-Pb electron microprobe dating using monazite age references Patrik Konečný, Monika A. Kusiak...Improving U-Th-Pb electron microprobe dating using monazite age references. The address for the corresponding...Improving U-Th-Pb electron microprobe dating using monazite age references Patrik Konečný1*, Monika A. Kusiak2...improved approach to monazite dating by electron microprobe that includes a ‘monazite age reference correction’...correction’ (MARC). During analysis, a set of differing monazite standard AN reference materials with established |  | | Journal (article/letter/editorial) | | P7B 5E1 b Commerce Resources Corp., Suite1450-789 West Pender Street, Vancouver, British Columbia, Canada...Ashram Deposit are monazite-(Ce) and monazite-(Nd), with lesser amounts of bastnaesite-(Ce) and bastnaesite-(Nd)...with respect to the abundance of fluorite and monazite (commonly with Nd-enrichment), Ba-Be-enrichment...words: carbonatite, Ashram Deposit, REE-deposit, monazite, xenotime, fluorite, Mg-Fe carbonates, apatite...130 south of the community of Kuujjuaq. The centre of the complex is at longitude 68o24ʹ0ʺ west and latitude |  | Wu, , Li, , Ling, , Yang, , Li, , Li, , Mao, , Li, , Putlitz, (2019) Further Characterization of the RW-1 Monazite: A New Working Reference Material for Oxygen and Neodymium Isotopic Microanalysis. Minerals, 9 (10) 583 doi:10.3390/min9100583 | Journal (article/letter/editorial) | | Article Further Characterization of the RW-1 Monazite: A New Working Reference Material for Oxygen and...(O) and neodymium (Nd) isotopic composition of monazite provides an ideal tracer of metamorphism and hydrothermal...effect and monitoring of the external precision of monazite O–Nd isotopes with microbeam techniques, such...(LA-MC-ICPMS), require well-characterized natural monazite standards for precise microbeam measurements....impeding the application of monazite O–Nd isotopes. Here, we report on the RW-1 monazite as a potential new working |  | Gonçalves, Guilherme O., Lana, Cristiano, Buick, Ian S., Alkmim, Fernando F., Scholz, Ricardo, Queiroga, Glaucia (2019) Twenty million years of post-orogenic fluid production and hydrothermal mineralization across the external Araçuaí orogen and adjacent São Francisco craton, SE Brazil. Lithos, 342. 557-572 doi:10.1016/j.lithos.2019.04.022 | Journal (article/letter/editorial) | | Private Bag X1, Stellenbosch, Matieland 7602, South Africa * AC CE PT ED MA NU Corresponding author at:...Private Bag X1, Stellenbosch, Matieland 7602, South Africa. ACCEPTED MANUSCRIPT Abstract The Araçuaí...craton). U-Pb crystallization ages for hydrothermal monazite, rutile, and xenotime indicate that fluid circulation...°C. The Sm-Nd isotope composition of the vein monazite samples ranges from εNd500Ma -16.8 to -17.8, and...bare/mineralized pegmatite bodies and regional resetting of monazite ages in host rocks. On a regional context, this |  | | Book | | ......................................... 23 • South America ................................................................................... 35 • Africa .................................................uranium if higher prices justify reprocessing the mine tailings to recover some of the uranium that was...wastewater during environmental reclamation at a mine that has ceased production. The following statistical...< Australia Kazakhstan United States Canada South Africa Namibia Russian Federation Niger Brazil Uzbekistan |  | Neave, David A., Black, Martin, Riley, Teal R., Gibson, Sally A., Ferrier, Graham, Wall, Frances, Broom-Fendley, Sam (2016) On the Feasibility of Imaging Carbonatite-Hosted Rare Earth Element Deposits Using Remote Sensing. Economic Geology, 111 (3) 641-665 doi:10.2113/econgeo.111.3.641 | Journal (article/letter/editorial) | | notable exceptions of monazite-(Ce), bastnäsite(Ce), parisite-(Ce,) and synchysite-(Ce), there are few published...successfully delimited high Nd occurrences in a monazite-mineralized outcrop of the Fen complex in Norway...Goethite Phlogopite 3 20 37 Bastnäsite-(Ce) Monazite-(Ce) Magnetite 9 5 500 1000 1500 2000 Wavelength...(2014). Note the complexity of bastnäsite-(Ce), monazite-(Ce), and fluorapatite spectra that result from...exceptions include the growth of primary bastnäsite-(Ce) at Mountain Pass (Mariano, 1989) and burbankite |  | Liu, Zhi-Chao, Wu, Fu-Yuan, Yang, Yue-Heng, Yang, Jin-Hui, Wilde, Simon A. (2012) Neodymium isotopic compositions of the standard monazites used in UThPb geochronology. Chemical Geology, 334. 221-239 doi:10.1016/j.chemgeo.2012.09.034 | Journal (article/letter/editorial) | | Geology, Curtin University, P.O. Box U1987, Perth, Western Australia 6845, Australia a r t i c l e i n f...online 5 October 2012 Editor: L. Reisberg Keywords: Monazite LA-(MC)-ICP-MS U\Th\Pb dating Sm\Nd isotopes ...carrier of thorium, uranium and trace elements, monazite is widely used in U\Th\Pb geochronology and Sm\Nd...U\Th\Pb age and Sm\Nd isotopic composition makes monazite one of the most versatile minerals in the study...emphasized the importance for uniform and homogeneous monazite standards for external calibration. Here we performed |  | Fisher, Christopher M., Bauer, Ann M., Luo, Yan, Sarkar, Chiranjeeb, Hanchar, John M., Vervoort, Jeffrey D., Tapster, Simon R., Horstwood, Matt, Pearson, D. Graham (2020) Laser ablation split-stream analysis of the Sm-Nd and U-Pb isotope compositions of monazite, titanite, and apatite – Improvements, potential reference materials, and application to the Archean Saglek Block gneisses. Chemical Geology, 539. 119493 doi:10.1016/j.chemgeo.2020.119493 | Journal (article/letter/editorial) | | of the Sm-Nd and U-Pb isotope compositions of monazite, titanite, and apatite – Improvements, potential...light rare earth element (LREE) enriched minerals monazite, titanite, and apatite for simultaneous analysis...apatite, Tory Hill titanite, and Steenskralkamp monazite). The homogeneity of these materials was first...the technique is evaluated with a case study of monazite and apatite from the Eoarchean Uivak Gneiss complex...and petrogenic studies. Keywords: Apatite LASS Monazite Sm-Nd isotopes Titanite U-Pb geochronology Reference |  | | Report (issue) | | Occurrence Of Monazite GEOLOGICAL SURVEY PROFESSIONAL PAPER 530 The Geologic Occurrence Of Monazite By WILLIAM...of monazite and of the geologic A review controls affecting the amount of thorium in monazite UNITED...________________ - ___ -_-_------Description of monazite __ ---- _____________ -----Discovery, synonymy...Age relations _________________ ----_-_-_--------Monazite localities ___ --- _______ -- ____________ -----_Africa...___________________ ----Republic of South Mrica ___________________ _ Cape of Good Hope Province ___________ |  | | Journal (article/letter/editorial) | | Australia 3Northern Minerals, P.O. Box 669, West Perth, Western Australia 6872, Australia Abstract Rare...along steeply dipping faults; there is no known local igneous activity at this time. Depletion of HREEs...vein- and breccia-style REE orebodies (e.g., Steenkampskraal, Hoidas Lake, Nolans Bore, Gallinas, Olserum-Djupedal)...John Galt REE deposit in the east Kimberley of Western Australia, through to the Killi Killi Hills in...deposits and prospects (Fig. 1), is centered on the western side of the ~60- × ~30-km Browns Range dome in |  | | Journal (article/letter/editorial) | | florencite-(Ce) from unconformity-related heavy rare earth element mineralization of northern Western Australia...deposits/prospects of the Tanami and Hall Creek regions of Western Australia. Two stages of xenotime-(Y) formation...Similarly, florencite-(Ce) formed in two stages including: (1) early florencite-(Ce) that coexists with...florencite-(Ce) that replaces early xenotime-(Y), or appears as narrow rims on early florencite-(Ce). All xenotime-(Y)...the coexisting late florencite-(Ce). Moreover, early florencite-(Ce) has a near end-member florencite |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | Lumpkin, G. R., Gao, Yan, Gieré, R., Williams, C. T., Mariano, A. N., Geisler, T. (2014) The role of Th-U minerals in assessing the performance of nuclear waste forms. Mineralogical Magazine, 78 (5) 1071-1095 doi:10.1180/minmag.2014.078.5.01 | Journal (article/letter/editorial) | | suggest that Th-U host phases such as brannerite, monazite, pyrochlore, zircon and zirconolite are resistant...accumulation of alpha-recoil collision cascades. Monazite tends to remain crystalline on geological time...davidite, granitic pegmatite, hydrothermal veins, monazite, nuclear waste, perovskite, pyrochlore, thorium...davidite), zircon (with comments on thorite) and monazite. A broader description of nuclear waste forms...products: Sr, Y, Mo, Tc, Ru, Rh, Pd, Ag, Te, I, Cs, La, Ce, Pr, Nd, Pm, Sm, Gd and Eu, among others; (2) corrosion |  | | Journal (article/letter/editorial) | | example of the Gifford Creek Carbonatite complex, Western Australia Paul Slezak, Carl Spandler PII: DOI:...example of the Gifford Creek Carbonatite complex, Western Australia, LITHOS, https://doi.org/10.1016/ j.lithos...example of the Gifford Creek Carbonatite Complex, Western Australia PT Paul Slezaka,* paul.slezak@my.jcu...The Gifford Creek Carbonatite Complex (GCCC), Western Australia contains a diverse suite of alkaline...and Lu-Hf radiogenic isotope techniques on monazite – (Ce), fluorapatite, and zircon AC C to determine |  | | Journal (article/letter/editorial) | | this period only one new operation at Mt Weld, Western Australia has commenced production. One older operation...significantly less than those used by the only two Western operations. These cut-offs result from attaching...arbitrary, is to define the LREE as consisting of La, Ce, Pr, Nd and Sm and the HREE as Eu, Gd, Tb, Dy, Ho...‘Mischmetal’ refers to an alloy of various REE such as Ce, La, Nd and Pr. REE analyses are usually received...state with Eu also occurring in the 2z state and Ce in the 4z state. REO pricing is not uniformly based |  | | Book | | I sell my uranium ore?" "Do I need a license to mine uranium?" "How do I stake a mining claim?" As a...Commonwealth of Australia; B. Dickinson and R. Sprigg, South Australia Department of Mines; H. H. Adler, Margaret...Australia. vii ACKNOWLEDGMENTS Department of Mines, South Australia. Commissariat de FEnergie Atomique, France...Regulations concerning location of mining claims in the Western States in Appendix X were compiled by Paul Martin... S. . X. Location of Mining Claims in Nine Western States 269 270 270 . . 273 . . 279 . |  | | Report (volume) | | formulas by the chemical symbol for either cerium (Ce) or yttrium VII MINERALS OF THE RARE EARTHS (Y);...for example, the formula for calkinsite is given as Ce 2 (C0 3 h · 4H 20. This does not mean that cerium...member. Some formulas, such as that of cordylite (Ce, LahBa (C0 3 ) 3 F 2 , are written so as to emphasize...element Cerium subgroup: Lanthanum (La) - Cerium (Ce) - - - Praseodymium (Pr)Neodymium (Nd) Promethium...- ·· Abukumalite - (Y, Ce, Ca) 5 (Si0 4 , P0 4 ) 3 (0, OH, F) Aeschynite - (Ce, Ca, Fe, Th) (Ti, Nb) 20 |  | | Journal (article/letter/editorial) | | Versatile Monazite: Resolving geological records and solving challenges in materials science Monazite as a...BP 17171, 30207 Bagnols/Cèze, France Abstract Monazite (Ln PO4) and related solid solutions are a well-known...by self-irradiation. Such observations led to monazite-type structures being proposed as a potential...and americium from dismantled nuclear weapons. Monazite has two main advantages as a matrix for the containment...site (leading to monazite-huttonite solid solution) or on the cationic site (monazite-cheralite solid |
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