| Finch, Adrian A., McCreath, Jamie A, Reekie, Callum D.J., Hutchison, William, Ismaila, Abdulmalik, Armour-Brown, Ashlyn, Andersen, Tom, Simonsen, Siri L. (2019) From Mantle to Motzfeldt: A genetic model for syenite-hosted Ta,Nb-mineralisation. Ore Geology Reviews, 107. 402-416 doi:10.1016/j.oregeorev.2019.02.032 | Journal (article/letter/editorial) | Motzfeldt Tantalum-Niobium-rich syenite in south-west Greenland, considered to be one of the world’s largest Ta...chilled and repeated sheeting at the roof provided a complex suite of cross-cutting syenite variants, including...friable and striking pink-nature of the Motzfeldt Sø Centre. Carbon and oxygen isotope investigation of carbonate...alkaline, Gardar Province, hydrothermal alteration, Greenland INTRODUCTION High Field Strength Elements (HFSE)...are enriched in the Motzfeldt Complex, Gardar Province, South Greenland (e.g. Armour-Brown et al. 1983) | | | Journal (article/letter/editorial) | alteration in eudialyte from the North Q6roq centre, South Greenland IAN M. COULSON School of Earth Sciences...Birmingham B15 2TT, England Abstract The North Q6roq centre comprises a series of nested nepheline syenite...Proterozoic Gardar province of South Greenland. Within the centre fractionation has produced varied rock...eudialyte from the lujavrites of unit SN1B of the centre show evidence for two-stage alteration. This alteration...intrusion of younger syenite units of the North Q6roq centre. More extensive alteration is as a result | | Sheard, E. R., Williams-Jones, A. E., Heiligmann, M., Pederson, C., Trueman, D. L. (2012) Controls on the Concentration of Zirconium, Niobium, and the Rare Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada. Economic Geology, 107 (1) 81-104 doi:10.2113/econgeo.107.1.81 | Journal (article/letter/editorial) | alkaline to peralkaline Blachford Lake Intrusive Complex. A layered alkaline suite dominated by aegirine...considered to represent the youngest phase of the complex. Much of the rare metal mineralization occurs in...peralkaline granites of the Khadlzan-Buregtey Granitoid Complex of 2.65, 0.58, and 0.62 wt %, respectively. In...these complexes, the zirconium occurs mainly as complex zirconosilicate minerals, such as elpidite (Na2ZrSi6O15...For example, REE and the HFSE in the Tamazeght Complex, Morocco, are hosted in secondary phases such as | | | Journal (article/letter/editorial) | alkali feldspar of Proterozoic age from South Greenland. Here, they apply the technique of Edwards et... (1996) Metasomatism in the North Qôroq centre, South Greenland: apatite chemistry and rare-earth element | | | Journal (article/letter/editorial) | Germany Abstract The Eocene Tamazeght (or Tamazert) complex, situated in the High Atlas Mountains of Morocco...restricted areas, the most evolved silicate unit of the complex (malignites) contains eudialyte-group minerals...processes, carbonatite-derived fluids, Tamazeght complex, Morocco. Sommaire Le complexe éocène du Tamazeght...minerals in agpaitic peralkaline rocks includes complex silicates containing the high field-strength elements...localities of such rocks are the Ilímaussaq complex in Greenland, the Khibina and Lovozero complexes in Russia | | | Journal (article/letter/editorial) | 873–892 Evolution of the North Qo“roq centre nepheline syenites, South Greenland: alkali-mafic silicates...Saskatchewan, Canada, S4S 0A2 ABSTR ACT The North Qôroq centre comprises a series of concentric nepheline...Nepheline Syenite Complex, in the rift-related Gardar Province of South Greenland. The North Qôroq syenites...variation both within units and throughout the centre. Many of the rocks have been affected by metasomatic...compositions exhibited by pyroxene and amphibole from North Qôroq are examined and related to either primary | | Wu, Bin, Wang, Ru-Cheng, Yang, Jin-Hui, Wu, Fu-Yuan, Zhang, Wen-Lan, Gu, Xiang-Ping, Zhang, Ai-Cheng (2016) Zr and REE mineralization in sodic lujavrite from the Saima alkaline complex, northeastern China: A mineralogical study and comparison with potassic rocks. Lithos, 262. 232-246 doi:10.1016/j.lithos.2016.07.013 | Journal (article/letter/editorial) | mineralization in sodic lujavrite from the Saima alkaline complex, northeastern China: A mineralogical study and...mineralization in sodic lujavrite from the Saima alkaline complex, northeastern China: A mineralogical study and...mineralization in sodic lujavrite from the Saima alkaline complex, northeastern China: a mineralogical study and...MANUSCRIPT Abstract T The Triassic Saima alkaline complex on the Liaodong Peninsula, northeastern IP China...assemblage from the potassic nepheline syenite of the complex to the sodic lujavrite suggest that their magma | | | Journal (article/letter/editorial) | Metallogeny of South Greenland: A review of geological evolution, mineral occurrences...Jochen, Thrane, Kristine, Metallogeny of South Greenland: A review of geological evolution, mineral occurrences...pertain. ACCEPTED MANUSCRIPT Metallogeny of South Greenland: A review of geological evolution, mineral occurrences...Thrane IP The Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark...steenfelt@gmail.com; ast@geus.dk NU Abstract South Greenland has been the site of historic mining of cryolite | | Zirner, Aurelia L.K., Marks, Michael A.W., Wenzel, Thomas, Jacob, Dorrit E., Markl, Gregor (2015) Rare earth elements in apatite as a monitor of magmatic and metasomatic processes: The Ilímaussaq complex, South Greenland. Lithos, 228. 12-22 doi:10.1016/j.lithos.2015.04.013 | Journal (article/letter/editorial) | Elements in apatite as a monitor of magmatic and metasomatic processes: the Ilı́maussaq complex, South Greenland...Elements in apatite as a monitor of magmatic and metasomatic processes: the Ilı́maussaq complex, South Greenland...al. Ilímaussaq apatites Rare Earth Elements in apatite as a monitor of magmatic and metasomatic processes:...processes: the Ilímaussaq SC RI PT complex, South Greenland. Aurelia L. K. Zirner1,2,*, Michael A. W...University, Department of Earth and Planetary Sciences, North Ryde, NSW 2109, Australia * = Corresponding author | | | Journal (article/letter/editorial) | metasomatic aureole around the Chilwa Island carbonatite complex were chosen for study. In addition to the main...fenite contains micro-mineral assemblages including apatite, ilmenite, rutile, magnetite, zircon, rare-earth...aegirine and apatite and provide evidence of REE mobility into all grades of fenite. Fenite apatite has a distinct...R D S : fenite, rare earths, fluid inclusions, apatite. *E-mail: emma@abdm.co.uk https://doi.org/10.1180/minmag...associated with magma at deeper levels in the complex, of higher temperature, and possibly with a lower | | | Journal (article/letter/editorial) | which Zr, Hf, Nb, Ta and REE are sequestered in complex Na-Ca-K zirconosilicates and titanosilicates (Khomyakov...Kärr (Sweden; Adamson, 1944) and the Red Wine Complex (Quebec; Curtis and Currie, 1977). Schilling et...compositional data for this eudialyte and describe the complex alteration to a diverse secondary mineral assemblage...series. 2. Geology of the sushina nepheline syenite complex Small exposures of nepheline syenite gneiss are...5–1.6 Ga) of the North Singhbhum Mobile Belt (Mazumder, 2005). The age of the complex is not well- R | | | Journal (article/letter/editorial) | 0.09 0.10 0.02 2.2.2 Apatit Alle analysierten Apatite enthalten große Mengen an F (1.3-5.1 Gew.%) und...Die Summe der Seltenerdelement (SEE)-Gehalte der Apatite variiert zwischen 0.9-3.1 Gew.%. Chondrit-normierte...der Verhältnisse der SEE ähneln die untersuchten Apatite denen verschiedener Karbonatit-Komplexe weltweit...(1986): Magmatic fluids in the Fen carbonatite complex, S.E. Norway: Evidence for midcrustal fractionation...fractionation from solid and fluid inclusions in apatite. - Contrib. Mineral. Petrol., 93, 491-503. ANDERSEN | | | Journal (article/letter/editorial) | eudialyte in lujavrite from the Pilansberg alkaline complex, South Africa Roger H. Mitchell ⁎, Ruslan P. Liferovich...most evolved rocks of the Pilansberg alkaline complex are aegirine lujavrites in which three varieties...are recognizable. Type 1 involves replacement by complex aggregates of zircon, fergusonite-(Ce), allanite-(Ce)...“miaskitic” paragenesis. Type 2 alteration consists of complex aggregates dominated by deuteric Na–Zr-silicates...Na–Zr-silicates (?catapleiite), stronalsite, strontium-apatite and lamprophyllite replacing eudialyte-I and -II and | | Goodenough, K.M., Schilling, J., Jonsson, E., Kalvig, P., Charles, N., Tuduri, J., Deady, E.A., Sadeghi, M., Schiellerup, H., Müller, A., Bertrand, G., Arvanitidis, N., Eliopoulos, D.G., Shaw, R.A., Thrane, K., Keulen, N. (2016) Europe's rare earth element resource potential: An overview of REE metallogenetic provinces and their geodynamic setting. Ore Geology Reviews, 72. 838-856 doi:10.1016/j.oregeorev.2015.09.019 | Journal (article/letter/editorial) | Uppsala, Sweden e Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark...British Geological Survey, Environmental Science Centre, Nicker Hill, Keyworth, Nottingham NG12 5GG, UK...of Precambrian to Palaeozoic age and occur in Greenland and the Fennoscandian Shield. Of particular importance...their REE potential are the Gardar Province of SW Greenland, the Svecofennian Belt and subsequent Mesoproterozoic...European REE ores. Such raw material processing is complex, comprising a beneficiation step to concentrate | | Borst, A. M., Friis, H., Andersen, T., Nielsen, T. F. D., Waight, T. E., Smit, M. A. (2016) Zirconosilicates in the kakortokites of the Ilímaussaq complex, South Greenland: Implications for fluid evolution and high-field-strength and rare-earth element mineralization in agpaitic systems. Mineralogical Magazine, 80 (1) 5-30 doi:10.1180/minmag.2016.080.046 | Journal (article/letter/editorial) | in the kakortokites of the Ilímaussaq complex, South Greenland: Implications for fluid evolution and...Economic Geology, Geological Survey of Denmark and Greenland, Øster Voldgade 10, 1350 Copenhagen, Denmark Department...syenites (kakortokites) of the Ilímaussaq complex, South Greenland, host voluminous accumulations of eudialyte-group...eudialyte-group minerals (EGM). These complex Na-Ca-zirconosilicates contain economically attractive levels...studies of the peralkaline Ilímaussaq complex, South Greenland, Ussing (1912) introduced the term agpaite | | De Toledo, M. C. M., Lenharo, S. L.R., Ferrari, V. C., Fontan, F., De Parseval, P., Leroy, G. (2004) THE COMPOSITIONAL EVOLUTION OF APATITE IN THE WEATHERING PROFILE OF THE CATALAO I ALKALINE-CARBONATITIC COMPLEX, GOIAS, BRAZIL. The Canadian Mineralogist, 42 (4) 1139-1158 doi:10.2113/gscanmin.42.4.1139 | Journal (article/letter/editorial) | EVOLUTION OF APATITE IN THE WEATHERING PROFILE OF THE CATALÃO I ALKALINE-CARBONATITIC COMPLEX, GOIAS, BRAZIL...the different types of apatite from the Catalão I alkaline-carbonatitic complex, Goias, Brazil, were determined...generations of apatite: igneous, postmagmatic or hydrothermal, and supergene. The composition of apatite of each...generation has been determined. Data from primary apatite affected by weathering processes show compositional...morphology of the apatite grains, contribute to an undesirable behavior of the apatite ore, once submitted | | Piilonen, Paula C., McDonald, Andrew M., Poirier, Glenn, Rowe, Ralph, Larsen, Alf Olav (2013) Mafic minerals of the alkaline pegmatites in the Larvik plutonic complex, Oslo rift, southern Norway. The Canadian Mineralogist, 51 (5) 735-770 doi:10.3749/canmin.51.5.735 | Journal (article/letter/editorial) | THE ALKALINE PEGMATITES IN THE LARVIK PLUTONIC COMPLEX, OSLO RIFT, SOUTHERN NORWAY Paula C. PIILONEN§... Canada Alf Olav LARSEN Statoil ASA, Research Centre Porsgrunn, Hydroveien 67, N-3908 Porsgrunn, Norway...plutonic complex, Oslo rift, southern Norway, have been studied to shed light on the complex evolutionary...pegmatites in Ring Sections 1–8 within the Larvik complex have been derived from the same parental melt,...Gomes et al. 1970). Within the Larvik plutonic complex, Oslo rift, Norway, preliminary studies on 736 | | Zhang, Chao, Koepke, Juergen, Albrecht, Moritz, Horn, Ingo, Holtz, Francois (2017) Apatite in the dike-gabbro transition zone of mid-ocean ridge: Evidence for brine assimilation by axial melt lens. American Mineralogist, 102 (3) 558-570 doi:10.2138/am-2017-5906 | Journal (article/letter/editorial) | 2017 SPECIAL COLLECTION: APATITE: A COMMON MINERAL, UNCOMMONLY VERSATILE Apatite in the dike-gabbro transition...indicating exchanges with hydrothermal fluids. The apatite cores in tonalites are rich in both F and Cl, with...chlorapatite end-member) up to 0.4. In contrast, the apatite cores in gabbros have high X Cl Ap (up to 0.85)...low X FAp (<0.05). The two contrasting types of apatite cores are both observed in diorites, implying that...depletions in Cl and REES in some parts of the apatite crystals (mainly rim) can be explained by removal | | Marks, Michael A.W., Eggenkamp, Hans G.M., Atanasova, Petya, Mundel, Felicitas, Kümmel, Sascha, Hagen, Matthias, Wenzel, Thomas, Markl, Gregor (2020) Review on the Compositional Variation of Eudialyte-Group Minerals in the Ilímaussaq Complex (South Greenland) Minerals, 10 (11) 1011 doi:10.3390/min10111011 | Journal (article/letter/editorial) | Eudialyte-Group Minerals in the Ilímaussaq Complex (South Greenland) Michael A.W. Marks 1, *, Hans G.M. Eggenkamp...eudialyte-group minerals (EGM) from the Ilímaussaq complex in South Greenland. Investigated samples cover all major...contents in the most evolved rock units of the complex. This points to the moderate compatibility of REE...basaltic nature of the parental magmas of the complex, as large-scale plagioclase fractionation occurred...Introduction Minerals of the eudialyte-group (EGM) are a complex group of mostly Na- and Ca-rich Zr-silicates with | | Nie, Xiao, Wang, Zongqi, Chen, Lei, Yin, Jingwu, Xu, Haiming, Fan, Li, Chen, PuPu, Wang, Gang (2020) Mineralogical constraints on Nb–REE mineralization of the Zhujiayuan Nb (−REE) deposit in the North Daba Mountain, South Qinling, China. Geological Journal, 55 (6). 4845-4863 doi:10.1002/gj.3710 | Journal (article/letter/editorial) | mineralization of the Zhujiayuan Nb (−REE) deposit in the North Daba Mountain, South Qinling, China Xiao Nie1 Li...trachyte-hosted Zhujiayuan deposit is located in the North Daba Mountain of South Qinling, China. In this deposit...different stages and genetic types of biotite, apatite, and rutile make it an excellent locality to constrain...microanalyzer (EPMA), chemical analyses of biotite, apatite, rutile, columbite-group minerals, fersmite, monazite...biotite (Bt-3). Apatite can be divided into two types: magmatic (Ap-1) and hydrothermal apatite (Ap-2). Rutile | | | Journal (article/letter/editorial) | , 2011), about 200 in the Ilimaussaq complex in South Greenland (Sørensen, 1997) and about 100 in the...famous for apatite and loparite deposits, respectively. Alkaline massives in Ilimaussaq (Greenland), Saima...somewhat T irregular concentric structure: in the centre there are pulaskites, i.e., nepheline-bearing alkali...2010), occur in the periphery of this alkaline complex (Fig. 2). They occur in the vicinity of peridotites...in 2008 both in the north and south part of the MA Oktiabrski Massif. In the north-east, at the Mazurovski | | Liu, Shen, Feng, Caixia, Hu, Ruizhong, Gao, Shan, Wang, Tao, Feng, Guangying, Qi, Youqiang, Coulson, Ian M., Lai, Shaocong (2013) Zircon U-Pb age, geochemical, and Sr-Nd-Pb isotopic constraints on the origin of alkaline intrusions in eastern Shandong Province, China. Mineralogy and Petrology, 107 (4) 591-608 doi:10.1007/s00710-013-0285-3 | Journal (article/letter/editorial) | feldspar, plagioclase, +/− ilmenite or rutile and apatite. However, the alkaline rocks were not affected...terrain is a high-pressure, blueschist unit, and the north one is an associated unit consisting of ultra-high...biotite and amphibole. Accessory minerals include apatite, zircon, magnetite, and titanite. Syenogranite...Accessory minerals include zircon, magnetite, and apatite. Analytical procedures U-Pb dating by the LA-ICP-MS...alkaline rocks, Jiazishan alkaline complex and mafic rocks from the central North China Craton, as well as to | | van de Ven, Mathijs A. J., Borst, Anouk M., Davies, Gareth R., Hunt, Emma J., Finch, Adrian A. (2019) Hydrothermal Alteration of Eudialyte-Hosted Critical Metal Deposits: Fluid Source and Implications for Deposit Grade. Minerals, 9 (7) 422 doi:10.3390/min9070422 | Journal (article/letter/editorial) | Environmental Sciences, University of St Andrews, North Street, St Andrews KY16 9AL, UK School of Geosciences...in nepheline syenite from the Ilímaussaq Complex, Greenland, one of the world’s largest known eudialyte-hosted...partial replacement of primary magmatic eudialyte by complex pseudomorph assemblages of secondary Zr-, Nb-,...deposit in the Mesoproterozoic Ilímaussaq complex, South Greenland, presents a major repository of REE, Zr...halogen-rich melts and is identified by the presence of complex Na–Ca–HFSE silicates such as eudialyte- and rinkite-group | | Kolb, Jochen, Keiding, Jakob K., Steenfelt, Agnete, Secher, Karsten, Keulen, Nynke, Rosa, Diogo, Stensgaard, Bo M. (2016) Metallogeny of Greenland. Ore Geology Reviews, 78. 493-555 doi:10.1016/j.oregeorev.2016.03.006 | Journal (article/letter/editorial) | Metallogeny of Greenland Jochen Kolb, Jakob K. Keiding, Agnete Steenfelt, Karsten Secher...Rosa, Diogo, Stensgaard, Bo M., Metallogeny of Greenland, Ore Geology Reviews (2016), doi: 10.1016/j.oregeorev...pertain. ACCEPTED MANUSCRIPT Metallogeny of Greenland JOCHEN KOLB1, JAKOB K. KEIDING1,2, AGNETE STEENFELT1...Economic Geology, Geological Survey of Denmark and Greenland, Øster Voldgade 10, 1350 Copenhagen K, Denmark...TE D MA Corresponding author: jkol@geus.dk Greenland is the largest island on Earth, with 80% of its | | | Journal (article/letter/editorial) | rare metal potential of the peralkaline volcanic complex of the southern Peak Range, Central Queensland...rare metal potential of the peralkaline volcanic complex of the southern Peak Range, Central Queensland...rare metal potential of the peralkaline volcanic complex of the southern Peak Range, Central Queensland...mantle plume generated melts with the overlying, north-moving Australian plate has been invoked to explain...trend as the Peak Range but slightly offset to the north. The most significant of these anomalies underlies |
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