 | | Journal (article/letter/editorial) | | Ta-mineralisation in the Gardar rift: the Motzfeldt centre, South Greenland Callum D.J. Reekiea,b and Adrian A...The alkaline igneous Gardar Province of South Greenland is among one of the worldâs best exposed igneous...and typically peralkaline syenites of the Motzfeldt Centre (1273 Âą 6 Ma), the first of five major plutonic...plutonic centres that comprise the Igaliku Complex (âź1280â1140 Ma) of NE Gardar. Despite this exceptional...120 ppm Ta, petrology and petrogenesis across Motzfeldt remain to be constrained in full. Here, we present |  | 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) | | Accepted Manuscript From Mantle to Motzfeldt: A Genetic Model for Syenite-hosted Ta,Nb-mineralisation...Armour-Brown, T. Andersen, S.L. Simonsen, From Mantle to Motzfeldt: A Genetic Model for Syenite-hosted Ta,Nb-mineralisation...apply to the journal pertain. From Mantle to Motzfeldt: A Genetic Model for Syenite-hosted Ta,Nb-mineralisation...genetic model for the Motzfeldt Tantalum-Niobium-rich syenite in south-west Greenland, considered to be one...worldâs largest Ta prospects, is presented. The Motzfeldt primary magma formed early in regional Gardar |  | McCreath, J. A., Finch, A. A., Simonsen, S. L., Donaldson, C. H., Armour-Brown, A. (2012) Independent ages of magmatic and hydrothermal activity in alkaline igneous rocks: The Motzfeldt Centre, Gardar Province, South Greenland. Contributions to Mineralogy and Petrology, 163 (6) 967-982 doi:10.1007/s00410-011-0709-1 | Journal (article/letter/editorial) | | alkaline igneous rocks: The Motzfeldt Centre, Gardar Province, South Greenland J. A. McCreath ⢠A. A. Finch...Abstract The Motzfeldt Centre is one of four major alkaline centres belonging to the Igaliko complex, part of...of South Greenland. Motzfeldt comprises syenites and nepheline syenites displaying complex magmatic and...North and East of the complex, part of a subdivision of the Centre called the Motzfeldt Sø Formation (MSF)...contrast the radiogenic isotope geochemistry of the zircon and pyrochlore to obtain independent age estimates |  | | Journal (article/letter/editorial) | | mineralsof nephelinesyenitesfrom the Motzfeldt Centre,South Greenland A. P. JoNrsr Diuisionof Geologicaland...which constitutethe Proterozoic(- 1310ma) Motzfeldt Centre. Larvikite margins of one unit (SM5) are apparently...discussed. eral The Motzfeldt Centre is the older of four major centers The Motdeldt Centre is especiallyinterestingbecausea...Province of southern Greenland (Emeleus and (Ferguson,1964, Upton, 1976).The Motzfeldt Centre has a determined...briefoutlineofthe geologyhasbeengivenby Jones(1984). The Motzfeldt Centre was formed by a seriesof overlapIn this paper |  | | Journal (article/letter/editorial) | | 1980 Zirconium-Bearing Aegirines from Motzfeldt, South Greenland A d r i a n P. Jones and A n d r e w...h e l i n e syenites f r o m the M o t z feldt Centre, S o u t h G r e e n l a n d . The analyses r e...p y r o x e n e s f r o m the M o t z f e l d t Centre, S o u t h G r e e n l a n d , frequently r e a...o f E m e l e u s a n d H a r r y (1970). T h e centre covers s o m e 350 k m z a n d lies at the extreme...Zr/px Across the Motzfeldt Centre The compositions of the aegirines in the Motzfeldt Centre were determined |  | | Journal (article/letter/editorial) | | from the nepheline syenites of the Motzfeldt centre, South Greenland A. P. JONES* The University of Chicago...Mineralogically the Motzfeldt centre is evolved and similar to the other centres in the Igaliko complex. However...However, the Motzfeldt centre contains the most fractionated rocks (lujavrites) and is in this respect similar...compositional ranges and trends of the mafic silicates in Motzfeldt thus provide links between the uncommon peralkaline...exposures throughout the Gardar province in southern Greenland (for general description see Upton, 1974; Emeleus |  | | Journal (article/letter/editorial) | | amphiboles from the Igaliko Dyke Swarm, South Greenland N. J. G. PEARCE* Department of Geological Sciences...the failure of other Zr-bearing phases (such as zircon, baddeleyite, eudialyte) to crystallize. KEYWORDS:...Zr-bearing amphiboles, amphiboles, Igaliko Dyke Swarm, Greenland. Introduction MINOR amounts of Zr have been reported...Ilimaussaq complex; and Jones (1980) detected 0.75 wt. % from an arfvedsonite in the Motzfeldt centre, South...South Greenland. Dana (1892, p. 400) presents an analysis of a riebeckite with 0.75 wt. % ZrO2. As far as |  | | Report (issue) | | 35 Side 1 The rare earth element potential in Greenland GO_29_GO-29 26/02/18 15.35 Side 2 GEOLOGY AND...earth element potential in Greenland Supply of rare earth elements (REE) is complex. REE deposits are geographically...only containing a few of the REEs in demand. Greenland is endowed with several large REE deposits, related...advanced stages of exploration. Additionally, Greenland also holds geological terrains favourable for...2016). In response to this rising global demand, Greenland has experienced a strong international interest |  | | Report (issue) | | PM Page 1 The rare earth element potential in Greenland No. 20 - November 2011 GO_20_GO19_OpenType...earth element potential in Greenland Supply of rare earth elements (REE) is complex. REE deposits are geographically...only containing a few of the REEs in demand. Greenland is endowed with several large REE deposits, related...advanced stages of exploration. Additionally, Greenland also holds geological terrains favourable for...critical. In response to this rising global demand, Greenland has experienced a strong international interest |  | | 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, Ăster 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 |  | Goodenough, K.M., Schilling, J., Jonsson, E., Kalvig, P., Charles, N., Tuduri, J., Deady, E.A., Sadeghi, M., Schiellerup, H., MĂźller, 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, Ăster 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 beneďŹciation step to concentrate |  | | Journal (article/letter/editorial) | | BURKE, E. A. J., see ANDERSEN, T., 145 Bushveld complex, see South Africa BUTCHER, A. R., see EALES, H...413 Carbonatite, at the Kruidfontein volcanic complex, Transvaal, South Africa, 46; complexes containing...L. B. and LE BAS, M. J., carbonatitic volcanic complex, Transvaal, 46 Cleavage, etch pits on basal cleavage...637 Fayalite, from Rapakivi granites of South Greenland, 57 FERNANDEZ-DIAZ, L., see PUTNIS, A., 123 FERROW...minerals associated with alkaline magmatism from Greenland, 407 FINLAND, evolution of a metamorphic fluid |  | | Journal (article/letter/editorial) | | BULLETIN No.85 THE IGALIKO NEPHELINE SYENITE COMPLEX GENERAL DESCRIPTION BY C. H. EMELEUS AND W....GEOLOGISKE UNDERSĂGELSE The Geological Surpey or Greenland Ăstervoldgade 10, DK-f350 København K Denmark...56 Ammonites from the Upper Cretaceous of West Greenland. 1965 by T. Birkelund (Meddr Grønland 179, 7)...dykes and diatremes, north of Narssarssuaq, South Greenland. 1965 by B. J.Walton (Meddr Grønland 179,9). NO...intrusives of the JulianehĂĽb district, South Greenland. 1965 by B. F.Windley (Meddr Grønland 172, 8) |  | | Journal (article/letter/editorial) | | plutonic rocks from the Gardar Province, South Greenland â Johannes SchĂśnenberger, Jasmin KĂśhler, Gregor...cryolithionite), calcite and siderite from the IlĂmaussaq, Motzfeldt and Ivigtut complexes were analysed for their...agpaitic IlĂmaussaq and miaskitic to agpaitic Motzfeldt intrusions all share a negative Eu anomaly which...primary magmatic fluorites from IlĂmaussaq and Motzfeldt display very similar REE patterns suggesting a...different source REE patterns, as the spatially close Motzfeldt and IlĂmaussaq intrusions show strong similarities |  | | Report (issue) | | siderite, sphalerite, willemite, gahnite, topaz, zircon, quartz, microcline, zeolites. Distribution: From...Mountains, BanÂŽshire, Scotland. In the Jos-Bukuru complex, Nigeria. From the El Criollo pegmatite, Cerro...In the Ilœ³maussaq intrusion and the Motzfeldt centre, Greenland. From Russia, in the Lovozero and Khibiny |  | | Journal (article/letter/editorial) | | minerals such as eudialyte and rinkite, that is complex silicates of Zr, Ti, the rare earth elements (REE)...more common types of nepheline syenites containing zircon, titanite, ilmenite, etc. The agpaitic rocks are...200 in the type locality, the Ilfmaussaq complex, South Greenland. These rocks have very long melting intervals...developed, hyperagpaitic lujavrites of the Ilfmaussaq complex have been formed from melts with extreme concentrations...syenite, phonolite, eudialyte, rinkite, Ilfmaussaq complex. Introduction SOME of the characteristic minerals |  | | Report (issue) | | 28_GO-28 23/01/18 11.58 Side 1 Uranium potential in Greenland GEOLOGY AND ORE GO no. 28_GO-28 23/01/18 11...11.58 Side 2 Uranium potential in Greenland Uranium is almost entirely used for generating electricity...increase to a large decrease. Denmark, including Greenland, joined the European Economic Community in 1973...Figure 1. Variations in uranium concentration over Greenland as reflected in the <0.1 mm grain-size fraction...samples. South Greenland stands out as the most uranium-enriched province in Greenland, where the best |  | | Report (issue) | | 1/4/10 1:28 PM Page 2 GEOLOGY AND ORE 16 / 2009 Greenland and its geological environments favourable for...mining Shield formation and cratonisation in Greenland, created by the formation of continental and oceanic...southern West Greenland. Ultramafic to mafic intrusions in greenstone belts occurred in Greenland as major...the Pitufiik area, Melville Bugt, North-West Greenland. The width of the banded iron formation varies...Exploration and development of mineral resources in Greenland, as a âgreenfieldâ region with rather high exploration |  | | Journal (article/letter/editorial) | | microlite, and ixiolite in the Ancient Gneiss Complex of Swaziland (Trumbull, 1993) and in the Kaapval...Weld; (20) Kamativi; (21) Manono-Kitotolo; (22) Motzfeldt; (23) Tanbreez; (24) Crevie; (25) Kenticha; (26)...Pitinga Nechalacho Mt Weld Kamativi Manono-Kitotolo Motzfeldt Tanbreez Crevie Kenticha Three Alloes Tastyg Morrua...tnâtantaloniobates; ttâtitanite; wrâwhole rock isochrone; zâzircon; zwâzinnwaldite; 6agâalkaline granite; asâalkaline...syenite; cbâcarbonatite; gâgranite of a fertile complex; hâhydrothermal ore; nsânepheline syenite; pâpegmatite; |  | | Journal (article/letter/editorial) | | of the mid-Proterozoic Gardar Province, South Greenland: chronology, petrogenesis and geological setting...weak zone embracing the southern margin of the Greenland Archaean craton and the Ketilidian JulianehaĚb...imply the presence of an extensive anorthositic complex at depth, regarded as an integral part of the North...Elsevier Science B.V. All rights reserved. Keywords: Greenland; Continental rifting; Mesoproterozoic; Alkaline...from the old Norse bishopric of Gardar in south Greenland, as the name for the distinctive association of |  | | Journal (article/letter/editorial) | | Source and evolution of the alkaline Pilanesberg Complex, South Africa Marlina A. Elburg, R. Grant Cawthorn...Source and evolution of the alkaline Pilanesberg Complex, South Africa, Chemical Geology (2016), doi: 10...Source and evolution of the alkaline Pilanesberg Complex, South Africa Marlina A. Elburg1, R. Grant Cawthorn2...R IP South Africa Abstract The Pilanesberg Complex (South Africa) is one of the worldâs largest but...history of the Pilanesberg Complex shows MA similarities to the Greenland Kangerlussuaq Intrusion, and |  | | 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 of metasomatism |  | Borst, A.M., Waight, T.E., Finch, A.A., Storey, M., Roux, P.J. Le. (2019) Dating agpaitic rocks: A multi-system (U/Pb, Sm/Nd, Rb/Sr and 40Ar/39Ar) isotopic study of layered nepheline syenites from the IlĂmaussaq complex, Greenland. Lithos, 324. 74-88 doi:10.1016/j.lithos.2018.10.037 | Journal (article/letter/editorial) | | layered nepheline syenites from the IlĂmaussaq complex, Greenland A.M. Borst, T.E. Waight, A.A. Finch, M....layered nepheline syenites from the IlĂmaussaq complex, Greenland. Lithos (2018), https://doi.org/10.1016/j...layered nepheline syenites from the IlĂmaussaq complex, Greenland A.M. Borst1,2,3,* amb43@st-andrews.ac.uk...Survey of Denmark and RI 1 PT Roux5 2 SC Greenland, Ăster Voldgade 10, 1350 Copenhagen, Denmark ...MANUSCRIPT ABSTRACT The IlĂmaussaq complex in southern Greenland is a shallow crustal composite intrusion |  | | Journal (article/letter/editorial) | | (1997) 67-82 ELSEVIER U-Pb zircon age of the Strange Lake peralkaline complex: implications for Mesoproterozoic...Geological Survey of Canada, Quebec Geoscience Centre, 2700 Rue Einstein, P.O. Box 7500, Sainte-Foy,...exotic-poor granite of the Strange Lake peralkaline complex contains zircons that are dated at 1240 + 2 Ma...intrusions of this ring complex and one of only a few that contain primary zircon; others contain abundant...comparable age occur near the Strange Lake peralkaline complex (Association III) and the Red Wine Intrusive Suite |  | | Journal (article/letter/editorial) | | titanian, in teschenite sill, 529 Aenigmatites, Greenland, 9 Aikinite, Scotland, 88 ALLEN, D., polishing...Amphibole, nomenclature computerization, 211; Greenland, 8, 329; India, 190; New South Wales, 172; subcalcic...composition of diopside solid solutions, 481 Biotite, Greenland, 329 BIRCH, W. O., roepperite, 137 BOK, L. D....transformation during coal ignition, 251 Clinopyroxenes, Greenland, 5; India, 186; Oman, 16 Columbite-tantalite,...CLARK,A. M., 267, 537 Feldspar, structure, 75; Greenland, alkali-, 329; Japan, obliquity, 53; New South |
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