 | Finch, A. A., Goodenough, K. M., Salmon, H. M., Andersen, T. (2001) The petrology and petrogenesis of the North Motzfeldt Centre, Gardar Province, South Greenland. Mineralogical Magazine, 65 (6) 759-774 doi:10.1180/0026461016560007 | Journal (article/letter/editorial) | | petrogenesis of the North Motzfeldt Centre, Gardar Province, South Greenland A. A. FINCH1,*, K. M. GOODENOUGH2...North Motzfeldt is an intrusive igneous centre within the Igaliku (formerly spelt Igaliko) complex, Gardar...Gardar Province, South Greenland. A detailed field description of the centre is given, with preliminary...preliminary geochemical and isotopic data. The North Motzfeldt centre is intruded into Ketilidian granitoid basement...to have been crucial in the siting of the centre. The centre is subdivided into two major units, NM1 and |  | | Journal (article/letter/editorial) | | Genthelvite and willemite, zinc minerals associated with alkaline magmatism from the Motzfeldt centre...centre, South Greenland ADRIAN A. FINCH Grant Institute of Geology, West Mains Road, Edinburgh EH9 3JW, UK...the SM6 lujavrite unit of the Motzfeldt alkaline centre, South Greenland. Zinc and beryllium complexes...rise to the formation of interstitial grains of genthelvite (Zn4Be3Si3012S), identified in samples by strong...subsequent metasomatism leached Be from the genthelvite, giving rise to the formation of associated willemite |  | | Report (issue) | | Genthelvite Zn4 Be3 (SiO4 )3 S c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Cubic....Mountains, Ban®shire, Scotland. In the Jos-Bukuru complex, Nigeria. From the El Criollo pegmatite, Cerro...In the Il¶³maussaq intrusion and the Motzfeldt centre, Greenland. From Russia, in the Lovozero and Khibiny...zinc-rich helvite (danalite), later renamed genthelvite. Type Material: Pennsylvania State University...elements, v. II, 119{126. (5) Dunn, P.J. (1976) Genthelvite and the helvine group. Mineral. Mag., 40, 627{636 |  | | Journal (article/letter/editorial) | | Canada H3A 0C4 peter.tarassoff@mail.mcgill.ca Genthelvite Mont Saint-Hilaire, MontĂ©rĂ©gie, QuĂ©bec, Canada...helvine series. Any composition point in the genthelvite field in the diagram can be expressed as GenxDanyHevz...effectively the same as the molecular percents of genthelvite (Gen), danalite (Dan), and helvine (Hev). Reproduced...(fig. 2) set it apart from genthelvite from other localities. Genthelvite, ideally Be3Zn4(SiO4)3S, is...basis. A ternary composition Figure 2. Group of genthelvite crystals, to 5.1 cm on edge, with rhodochrosite |  | | 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 |  | Boni, Maria, Terracciano, Rosario, Balassone, Giuseppina, Gleeson, Sarah A., Matthews, Alexander (2011) The carbonate-hosted willemite prospects of the Zambezi Metamorphic Belt (Zambia) Mineralium Deposita, 46 (7) 707-729 doi:10.1007/s00126-011-0338-7 | Journal (article/letter/editorial) | | post-dates the Zn-spinel gahnite in the paragenesis. Genthelvite [Zn4Be3(SiO4)3S] occurs as a minor phase in irregular...metasediments and granitoids (known as the Basement Complex) that are commonly in tectonic contact with each...Munali Hills Granite Choma Kalomo Block BASEMENT COMPLEX Willemite prospect The Star Zinc and Excelsior...sphalerite microinclusions) fluorapatite willemite I genthelvite specular hematite II calcite willemite II hemimorphite...clinochlore, Dol dolomite, Frk franklinite, Gen genthelvite, Gth goethite, Hem hematite, Hm hemimorphite |  | | Journal (article/letter/editorial) | | samples of vinogradovite from the IlĂmaussaq complex (Greenland), but it is not dominant at this site, i...associated with nepheline syenite of the Sakharjok complex, Keivy Alkaline Field, Kola Peninsula, Russia (Bel’kov...age (2485 million years) in the Archean Napier complex: khmaralite (and beryllian sapphirine, Fig. 10)...peralkaline complexes, Gardar Province, southwest Greenland, 1160 Ma and 1273 Ma, respec vely (e.g., Petersen...columnar masses from Kvane eld, IlĂmaussaq complex, West Greenland. Coin diameter is ~1 cm. E.S. Grew sample |  | | Journal (article/letter/editorial) | | (1986): The petrology of the Mont Saint Hilaire Complex, southern Quebec; an alkaline gabbro-peralkaline...Granulite-facies beryllium pegma tes in the Napier Complex in Khmara and Amundsen Bays, western Enderby Land...anatec c veins of the ultrahigh-temperature Napier Complex, Enderby Land, East Antarc ca: The role of sapphirine...mineral species and heterovalent subs tu ons in complex minerals. Canadian Mineralogist 40, 699-710. HAZEN...& ELDREDGE, N. 2010 : Themes and varia ons in complex systems. Elements 6, 43-46. STEIN 3-2014 HAZEN |  | | Journal (article/letter/editorial) | | in the IlĂmaussaq peralkaline complex, Gardar Province, West Greenland, in an extensional environment;...A., and Urals, Russia) and the Larvik alkalic complex, Norway, but nonetheless related to continental...The relative roles of chance vs. necessity in complex evolving systems has been a matter of considerable...columnar masses from Kvanefjeld, IlĂmaussaq complex, West Greenland. Coin diameter is ~1 cm. E.S. Grew sample...samples of vinogradovite from the IlĂmaussaq complex (Greenland), but it is not dominant at this site, i |  | | Journal (article/letter/editorial) | | Victoria 3800, Australia, and Cooperative Research Centre for Landscape Environments and Mineral Exploration...highly evolved alkaline magmas such as in south Greenland (Finch, 1990). Economic willemite-bearing deposits...sulfate predominates over sulfide, the zinc sulfate complex predominates over zinc chlorides at high sulfate...(Fig. 3a, b). We calculated that the zinc sulfate complex predominates at aSO42– > 10–3 at 100°C and either...absence of ligand concentrations high enough to complex the zinc ion, Zn2+ predominates under acidic conditions |  | | Journal (issue) | | samples of vinogradovite from the IlĂmaussaq complex (Greenland), but it is not dominant at this site, i...associated with nepheline syenite of the Sakharjok complex, Keivy Alkaline Field, Kola Peninsula, Russia (Bel’kov...age (2485 million years) in the Archean Napier complex: khmaralite (and beryllian sapphirine, Fig. 10)...peralkaline complexes, Gardar Province, southwest Greenland, 1160 Ma and 1273 Ma, respec vely (e.g., Petersen...columnar masses from Kvane eld, IlĂmaussaq complex, West Greenland. Coin diameter is ~1 cm. E.S. Grew sample |  | | Journal (article/letter/editorial) | | layered syenites from the Klokken intrusion, South Greenland. We present new hyperspectral CL, SEM images,...planes with low surface energies. Others have complex, diffuse boundaries that indicate a phase of coherent...intrusion, in the Gardar alkaline province of South Greenland, is a remarkable natural laboratory for the study...the Klokken intrusion. Figures for scale at left centre. Dark brown, irregularly spaced and sometimes discontinuous...Braid (right and top left) and patch perthite (left centre) viewed from approximately parallel to b. In this |  | | Journal (issue) | | (1986): The petrology of the Mont Saint Hilaire Complex, southern Quebec; an alkaline gabbro-peralkaline...Granulite-facies beryllium pegma tes in the Napier Complex in Khmara and Amundsen Bays, western Enderby Land...anatec c veins of the ultrahigh-temperature Napier Complex, Enderby Land, East Antarc ca: The role of sapphirine...mineral species and heterovalent subs tu ons in complex minerals. Canadian Mineralogist 40, 699-710. HAZEN...& ELDREDGE, N. 2010 : Themes and varia ons in complex systems. Elements 6, 43-46. STEIN 3-2014 HAZEN |  | Hitzman, M. W., Reynolds, N. A., Sangster, D. F., Allen, C. R., Carman, C. E. (2003) Classification, Genesis, and Exploration Guides for Nonsulfide Zinc Deposits. Economic Geology, 98 (4) 685-714 doi:10.2113/gsecongeo.98.4.685 | Journal (article/letter/editorial) | | smithsonite ores containing 10 to 20 percent Zn and complex ores containing zinc oxide, silicate, and clays...substantially and may be relatively simple or complex. The major zinc-bearing minerals present are generally...tend to be mineralogically and metallurgically complex and contain a wide variety of oxide, silicate,...replacement-type deposits are commonly more mineralogically complex owing to the other metals present in these deposits...smithsonsite, hemimorphite, hydrozincite, and complex arsenic minerals. Iron sulfide-rich zinc deposits |  | | Book | | green-fluorescing catapleiite, monteregianite, and genthelvite; superb crystals of leucophanite with bright...orange-fluorescing sodalite. On the southwest coast of Greenland, near Julianehab, occurs a remarkable cluster...from 22 SURVEY AND OVERVIEW OF LOCALITIES Greenland. Yellow-fluorescing vuonnemite and orange-fluorescing...Saint-Hilaire in Canada, the Julianehab region of Greenland, the Langesundfjord area in Norway, the Kola...numerous and rare, it is likely that unusual and complex conditions existed during mineral formation. A | | | Book | | green-fluorescing catapleiite, monteregianite, and genthelvite; superb erystals of leucophanite with bright...orange-fluorescing sodalite. On the southwest coast of Greenland, near Julianehab, occurs a remarkable cluster... 22 SURVEY AND OVERVIEW OF LOCALITIES Greenland. Yellow-fluorescing vuonnemite and orange-fluorescing...Saint-Hilaire in Canada, the Julianehab region of Greenland, the Langesundfjord area in Norway, the Kola...numerous and rare, it is likely that unusual and complex conditions existed during mineral for- mation |
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