 | | Corporate Document | | Republic of Malawi Ministry of Mining Final Report of the Project for Establishment of Integrated Geographic...Development Co., Ltd. dummy Frontispiece 1 Map of Malawi Former capital: Zomba Headquarters of Geological...Lake Chilwa located in the southeastern part of Malawi and Chisi Island: Chisi Island is composed of syenite...Lake Malawi Upper right: Syenite distributed in Chilwa Alkaline Province in the south of Malawi (Cretaceous...(Cretaceous, Mesozoic) Lower right: Gneiss of Basement Complex (Proterozoic) Contents 1. Outline of the Project |  | | Journal (article/letter/editorial) | | mineraiisation in carbonatites of the Tundulu complex, Malawi: Processes at the fluid/rock interface...December 14, 1993) Abstract-The Tundulu carbonatite complex in southeastern Malawi was intruded during the late...form the various ~uorocarbonates. As such, the Tundulu carbonatites provide a natural laboratory in which...in hydrothermal veins from the Tundulu carbonatite complex in Malawi. The veins are found in different...1966). The first ring structure was centred at Tundulu Hill (Fig. 1), and is represented by several types |  | | Journal (article/letter/editorial) | | and A2-type granites in the PanAfrican basement complex of Egypt are mineralized with one or more of the...granitoids, 600-570 Ma, of composition ranging between biotite monzogranite to syenogranite. The third includes...580-223 Ma, of alkaline composition ranging between biotite pink granTertiary-Recent alkaline volcanism ite...feldspar granite and peralkaline granite, Ring-complex provinces some of which may be similar to the Nigerian...rocks Fig. 2 Lineament map and alkaline complex in the southern Egypt. type is medium- to coarse-grained |  | Smith, M., Kynicky, J., Xu, Cheng, Song, Wenlei, Spratt, J., Jeffries, T., Brtnicky, M., Kopriva, A., Cangelosi, D. (2018) The origin of secondary heavy rare earth element enrichment in carbonatites: Constraints from the evolution of the Huanglongpu district, China. Lithos, 308. 65-82 doi:10.1016/j.lithos.2018.02.027 | Journal (article/letter/editorial) | | Yuantao. the variation in the stability of aqueous complex ions with different ligands (Haas et al., 1995;...associated with late stage hydrothermal phenomena (e.g. Tundulu - Ngwenya, 1993; Songwe - Swinden and Hall, 2012;...with the Cenozoic rift basin in the north. The southern border of the South Qinling is separated from...framework and tectonic evolution of the Qinling region have been described by Xue et al. (1996), Meng...(Fig. 3E). Alteration envelopes consisting of biotite, epidote, pyrite and anhydrite are developed at |  | | Journal (article/letter/editorial) | | ultra-potassic rocks associated with the carbonatite complex of the Toror Hills, Uganda By D. S. SUTHERLAND...have been removed by erosion and the intrusive complex, over two miles in diameter, is formed of carbonatite...surrounded by altered gneisses of the Basement Complex in which are emplaced dykes and plugs of trachytic...small number of trachyte dykes from the southern part of the complex, but the more recent work has shown...T 364 D . S . SUTHERLAND ON history of the complex. They are of particular interest owing to their |  | Elliott, H.A.L., Wall, F., Chakhmouradian, A.R., Siegfried, P.R., Dahlgren, S., Weatherley, S., Finch, A.A., Marks, M.A.W., Dowman, E., Deady, E. (2018) Fenites associated with carbonatite complexes: A review. Ore Geology Reviews, 93. 38-59 doi:10.1016/j.oregeorev.2017.12.003 | Journal (article/letter/editorial) | | have been identified between the presence of more complex veining textures, mineralogy and brecciation in...produced from 164 parent alkaline magmas via a complex combination of liquid immiscibility and/or 165...of hydrothermal 181 fluids in and around the complex. With very few exceptions (e.g. Arzamastsev et...(1921) in his 186 memoir on the Fen carbonatite complex, Norway. Since the initial studies of the 187...187 1920s, further investigation of this complex has advanced our understanding of its 188 petrography |  | | Journal (article/letter/editorial) | | Springer-Verlag 1973 Gravity Studies of the Fen Complex, Norway, and Their Petrological Significance* I...Reveiced September 7, 1972 Abstract. The Fen alkaline complex, which is about 2 km in diameter, is an example...almost circular gravity high centered above the complex, the residual peak value being about q- 23 regal...carbonatites and alkaline silicate rocks. I n the Fen complex, which belongs to the subvolcanic group (Verwoerd...Wyoming 82070. S* 116 I.B. Ramberg : of this complex. A preliminary account based on one gravity profile |  | | Journal (article/letter/editorial) | | the poorly to moderately differentiated F-poor biotite granites from Niederbobritzsch, Erzgebirge, Germany...lanthanide tetrad effect, electron-microprobe analysis, biotite granite, Niederbobritzsch pluton, Erzgebirge, Germany...détaillé des minéraux accessoires des granites à biotite faiblement ou modérément évolués et à faible teneur...analyse à la microsonde électronique, granite à biotite, pluton de Niederbobritzsch, Erzgebirge, Allemagne...(Marchenko 1989), syenite pegmatites in the Oslo region, Norway (Larsen 1996), carbonatites from the Kola |  | | Journal (article/letter/editorial) | | around syenites, e.g., at the Mlanje Mountains in Malawi (Platt & Woolley 1986), are not considered here...of Congo (Woolley et al. 1995), Chilwa Island, Malawi (Woolley 1969) and Fen, Norway (Brøgger 1921)....1921 for certain rocks of the intrusive complex at Fen in southern Norway. He described fenite as any rock...country-rock in contact with the igneous rocks of the Fen complex; however, he did not apply the term to rocks produced...around other carbonatites of the same intrusive complex (Dixey et al. 1955, Brown 1964, Garson 1965, von |  | Doroshkevich, A. G., Ripp, G. S., Viladkar, S. G., Vladykin, N. V. (2008) THE ARSHAN REE CARBONATITES, SOUTHWESTERN TRANSBAIKALIA, RUSSIA: MINERALOGY, PARAGENESIS AND EVOLUTION. The Canadian Mineralogist, 46 (4) 807-823 doi:10.3749/canmin.46.4.807 | Journal (article/letter/editorial) | | Abstract The Arshan carbonatites in the Transbaikalia region of Siberia consist of sövite with high concentrations...carbonatite-related hydrothermal minerals. Feldspar, biotite, titanite, quartz, zircon, amphibole, chlorite...Mountain Pass, USA (Olson et al. 1954), Kangankunde, Malawi (Wall & Mariano 1996), and Yuzhnoe, Russia (Ripp...similar to those in the Amba Dongar carbonatite complex in India. the arshan ree carbonatites, sw transbaikalia...derivation from a Rb/ Sr- and Nd/Sr-enriched source region in the mantle. The Arshan Sr data are also comparable |  | | Journal (article/letter/editorial) | | applied to a complex of related carbonate and silicate rocks in a magmatic or extrusive complex. Primary...calcite carbonatite such as are found at the Fen complex. In fact, the genetic questions highlighted by...centimeter-to-decimeter scale. For example, at the Fen complex (Brøgger 1921, Andersen 1988), there is a spectrum...limit permits the recognition in the Jacupiranga complex of Brazil, of a carbonatite suite made up of perovskite...carbonatite complexes. Thus, a given carbonatite complex can be considered as a package of rocks that are |  | | Journal (article/letter/editorial) | | the principal primary REE mineral. Within each complex the C – O and Sr – Nd isotopic data are similar...mineralization and its host carbonatites in each complex are derived from the same source and are co-genetic...1954), Fen (Norway) (Andersen, 1986), Tundulu and Kangankunde (Malawi) (Ngwenya, 1994; Wall and Mariano,...Khibina is the largest (about 1327 km2) intrusive complex of agpaitic (peralkaline) nepheline syenites and...elliptical in shape and concentrically zoned. The complex contains a wide variety of magmatic and metasomatic |  | 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) | | Kenya and Somalia via Tanzania to the north and Malawi and Mozambique to the south [7,8]. The Pan-African...such as (1) the Upper Ruvubu alkaline plutonic complex, (2) the Matongo carbonatite and (3) the Gakara...Rift area [10]. 2.2. Alkaline Magmatism in the Region The Gakara REE deposit is located in Burundi, near...2100 km from Lake Albert in the north, to Lake Malawi in the south [11,12]. The western branch of the...Plutonic Complex (UPRAC) and the Matongo carbonatite in Burundi [10,16]. In the Gakara region (about 60 |  | Andrade, F.R.D, Möller, P, Lüders, V, Dulski, P, Gilg, H.A (1999) Hydrothermal rare earth elements mineralization in the Barra do Itapirapuã carbonatite, southern Brazil: behaviour of selected trace elements and stable isotopes (C, O) Chemical Geology, 155 (1) 91-113 doi:10.1016/s0009-2541(98)00143-0 | Journal (article/letter/editorial) | | mineralization in the Barra do Itapirapua˜ carbonatite, southern Brazil: behaviour of selected trace elements and...Barra do Itapirapua˜ carbonatite is located in southern Brazil and belongs to the Cretaceous Ponta Grossa...opening of the South Atlantic. The carbonatite complex is emplaced in Proterozoic granites and is mainly...Karonge, Angola Žvan Wambeke, 1977. and Tundulu and Kangankunde, Malawi ŽNgwenya, 1994; Wall and Mariano, 1996...focuses on the Barra do Itapirapua˜ carbonatite, southern Brazil ŽFig. 1., particularly on the geochemical |  | | Journal (article/letter/editorial) | | GEOLOGICAL CONTEXT The Massif de l’Esterel (southern France) is characterized by Permian volcanic activity...(Western Alps, Italy) associated with quartz, biotite, and K-feldspar, where it consists of orange-yellow...2010); and in veins in the Apuan Alps metamorphic complex (Montomoli et al. 2005). In the TisovecRejkovo...the only REE mineral present, and mainly forms complex associations with bastnäsite, parisite, rhabdophane...carbonatite hydrothermal veins of the Tundulu carbonatite complex in Malawi (Ngwenya 1994). The veins consist |  | Xu, Cheng, Kynicky, Jindrich, Chakhmouradian, Anton R., Campbell, Ian H., Allen, Charlotte M. (2010) Trace-element modeling of the magmatic evolution of rare-earth-rich carbonatite from the Miaoya deposit, Central China. Lithos, 118 (1) 145-155 doi:10.1016/j.lithos.2010.04.003 | Journal (article/letter/editorial) | | southwestern margin of the Wudang Terrane at the southern margin of the Qinling orogenic belt (Fig. 1)....framework and tectonic evolution of the Qinling region are given in Meng and Zhang (2000), Ratschbacher...geochronological study of these carbonatites gives a biotite K–Ar age of 278 Ma (Li, 1980). The carbonatites...rim (Fig. 2). Minor and accessory phases include biotite, alkali feldspar, fluorapatite, magnetite, ilmenite...which reflects local variations in the content of biotite and Nb-bearing accessory phases (particularly, |  | | Journal (article/letter/editorial) | | Erzgebirge, the latecollisional Niederbobritzsch biotite granite, formed the subject of another paper (FoÈrster...Variscan Erzgebirge is positioned in the border region between Germany (Saxony) and the Czech Republic...major groups (FoÈrster et al., 1999): [1] low-F biotite granites; [2] low-F two-mica granites; [3] high-F...Li-mica granites, and [5] moderate-F, lowP2 O5 biotite granites. Granites of groups 1±3 are formed late-collisionally... Wavelength-dispersion spectral scans done on complex natural REE phosphates (monazite and xenotime) |  | (1994) Volume 58, 1994 List of Associate Editors and Reviewers, List of Contents, Subject Index, Author Index, Book Reviews Published, Books Received, Subject Areas of Manuscripts Published in 1994ished, Books Received,. Geochimica et Cosmochimica Acta, 58. doi:10.1016/0016-7037(94)90592-4 | Journal (article/letter/editorial) | | from Costa Rica as proxy indicator of El Niiio Southern Oscillation (ENSO) 335 C. L&UYER and J. R. O’NEIL:...Boundary in the Carnic Alps oJAustria {Gartnerkqfel Region) edited by W. T. Holser and ..I..__..___......I...mantle: Evidene from the Vitim xenolith suite, southern Siberia . 1463 U. SCHALTEGGER,P. STILLE, N....in Cambrian stratabound Ni-Mo-(PGE-Au) ores of southern China 1813 J. C. ALT: A sulfur isotopic profile...SMALLEY:A U-Pb study of the Morkheia Complex and associated gneisses, southern Norway: Implications for disturbed |  | | Book | | VULCANICITY AND CONTINENTAL EVOLUTION IN THE BARBERTON REGION, TRANSVAAL 27 M. J. Viljoen and R. P. Viljoen...TRIAD 73 H. C. M. Whiteside THe ANORTHOSITE OF SOUTHERN ANGOLA: A REVIEW OF PRESENT DaTA 89 E. S. W...PEGMATITES FROM OROGENIC BELTS OF EQUATORIAL AND SOUTHERN AFRICA 157 O. Von Knorring LATE PALAEOZOIC TO...PETROCHEMICAL AND TECTONIC RELATIONSHIP OF THE MALAWI CARBONATITEALKALINE PROVINCE AND THE LUPATA-LEBOMBO...Schists. Their initial attempt to interpret the complex structures of the Morar anticline was followed |  | Marks, Michael A. W., Neukirchen, Florian, Vennemann, Torsten, Markl, Gregor (2009) Textural, chemical, and isotopic effects of late-magmatic carbonatitic fluids in the carbonatite–syenite Tamazeght complex, High Atlas Mountains, Morocco. Mineralogy and Petrology, 97 (1) 23-42 doi:10.1007/s00710-009-0075-0 | Journal (article/letter/editorial) | | carbonatitic fluids in the carbonatite–syenite Tamazeght complex, High Atlas Mountains, Morocco Michael A. W. Marks...Abstract Carbonatites of the Eocene Tamazeght complex, High Atlas Mountains, Morocco, consist of calciocarbonatites...presented on the carbonatites of the Tamazeght complex, Morocco, in order to investigate their susceptibility...Tamazeght carbonatite-alkaline complex is a multiphase intrusive complex situated on the northern margin...the High Atlas Mountains, Morocco (Fig. 1). The complex was dated to 44±2 Ma (Marks et al. 2008a) and was |  | | Journal (article/letter/editorial) | | from Costa Rica as proxy indicator of El Niiio Southern Oscillation (ENSO) 33s C. L~CUYERand J. R. O’NEIL:...Boundary in the Chrnic Alps ofAustria (Gartnerkofel Region) edited by W. T. Holser and 536 Announcements...mantle: Evidene from the Vitim xenolith suite, southern Siberia 1463 U. SCHALTEGGER, P. STILLE,N. RAIS...in Cambrian stratabound Ni-Mo-(PGE-Au) ores of southern China 1813 J. C. ALT: A sulfur isotopic protile...SMALLEY:A U-Pb study of the Morkheia Complex and associated gneisses, southern Norway: Implications for disturbed |  | | Journal (article/letter/editorial) | | recrystallized during oxidation, highlighting the complex emplacement history 1 ACCEPTED MANUSCRIPT involving...rocks within the complex (e.g. Morogan and CE Woolley, 1988). At the Callendar Bay complex in Ontario, Canada...of the dyke swarm, above an inferred plutonic complex/magma chamber at depth, the top of which has CE...the boulders is a biotite zone metabasite with AC the assemblage epidote (40%)-biotite (25%)-chlorite...examined are clearly derived from NU greenschist, a biotite zone metabasite. Geochemically the greenschists |  | | Journal (article/letter/editorial) | | meteoric alterations of the Lueshe carbonatite complex žDemocratic Republic of Congo / identified by a...and whole-rock samples of the Lueshe carbonatite complex ŽNE of Democratic Republic of Congo.. The fresh...solution ŽHF q HNO 3 .. The Lueshe carbonatite complex contains a suite of REE-carriers identified as...quantities of Fig. 1. Geological map of the Lueshe complex Žmodified after Maravic et al., 1989.. The studied...lateritic profiles developed on the Lueshe alkaline complex, are described and discussed in detail using a |  | | Journal (article/letter/editorial) | | of Hong Kong, Hong Kong Special Administrative Region State Key Laboratory for Mineral Deposits Research...Abstract The Yinachang deposit in the Kangdian region, Southwest China, contains large amounts of Fe...of Hong Kong, Hong Kong Special Administrative Region. Tel.: +852 2857 8251. E-mail address: mfzhou@hku...during later-stage metasomatic events to result in complex newly-formed mineral assemblages and chemical variations...xenotime-(Y), occur in this deposit, and show complex textural relationships. Thus, it is an ideal place |  | Kozlov, Evgeniy, Fomina, Ekaterina, Sidorov, Mikhail, Shilovskikh, Vladimir, Bocharov, Vladimir, Chernyavsky, Alexey, Huber, Miłosz (2020) The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy and Geochemistry. Minerals, 10 (1) 73 doi:10.3390/min10010073 | Journal (article/letter/editorial) | | Devonian carbonatite–ijolite–pyroxenite–olivinite complex comprises several carbonatite fields: Neske Vara...[12–17], China India [39–42], Italy have [43,44], Malawi [45–51], on the subjectNamibia of rare earth carbonatites...[18–37], Finland [38], India [39–42], Italy [43,44], Malawi [45–51], Tanzania [67], the USA [68–72], and Vietnam...Vuoriyarvi alkaline-ultrabasic carbonatite massif (Kola region, Russia) is one of more than 2. Geological Setting...carbonatite massif (Kola region, Russia) is one of more than massif is complex due to its multiphase nature |
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