| | Journal (article/letter/editorial) | agpaitic nepheline syenites in the Ilímaussaq intrusion, South Greenland☆ Johannes Schönenberger, Michael...26 May 2006 Abstract Within the 1.16 Ga old Ilímaussaq intrusion, up to 700 m large autoliths occur...Elsevier B.V. All rights reserved. Keywords: Ilímaussaq; Isocon-method; Fluid–rock interaction; Element-mobility;...Bowden, ☆ Contribution to the mineralogy of Ilímaussaq No. 128. ⁎ Corresponding author. Tel.: +49 7071...in autoliths of the peralkaline Ilímaussaq complex, South Greenland. Here, the interaction between evolved | | Chakrabarty, A., Mitchell, R. H., Ren, M., Saha, P. K., Pal, S., Pruseth, K. L., Sen, A. K. (2016) Magmatic, hydrothermal and subsolidus evolution of the agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of peralkaline syenites. Mineralogical Magazine, 80 (7) 1161-1193 doi:10.1180/minmag.2016.080.057 | Journal (article/letter/editorial) | agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of peralkaline...ACT The Proterozoic Sushina Hill Complex is the only agpaitic complex, reported from India and is characterized...nepheline syenite. The complex is considered a ‘metamorphosed agpaitic complex’. This study describes...magmatic assemblage is characterized by albite, orthoclase, unaltered nepheline, zoned diopside–hedenbergite...metamorphism. The Sushina complex is very similar in this respect to the Norra Kärr complex (Sweden). K E Y WO | | | Journal (article/letter/editorial) | occurrence of moskvinite-(Y) in the Ilímaussaq alkaline complex, South Greenland – implications for rare-earth...its type locality Dara-i-Pioz, Tajikistan. At Ilímaussaq moskvinite-(Y) was discovered in a drill core...nite group is for the first time observed in Ilímaussaq where it occurs where sodalite is replaced by...bartonite group, Ilímaussaq alkaline complex. Introduction THE Ilímaussaq alkaline complex is situated in...in South Greenland and is among the youngest alkaline complexes in the region associated with the Gardar | | Petersen, O. V., Giester, G., Brandstätter, F., Niedermayr, G. (2002) Nabesite, Na2BeSi4O10 · 4H2O, a new mineral species from the Ilimaussaq alkaline complex, south Greenland. The Canadian Mineralogist, 40 (1) 173-181 doi:10.2113/gscanmin.40.1.173 | Journal (article/letter/editorial) | NEW MINERAL SPECIES FROM THE ILÍMAUSSAQ ALKALINE COMPLEX, SOUTH GREENLAND* OLE V. PETERSEN§ Geologisk...A-1014 Wien, Austria ABSTRACT Nabesite is found in complex tugtupite-bearing albitites on the Kvanefjeld Plateau...northwesternmost part of the Ilímaussaq alkaline complex, South Greenland. It occurs in cavities, covered...species, crystal structure, zeolite, Ilímaussaq alkaline complex, Greenland. SOMMAIRE On trouve la nabesite...microscopie * § Contribution to the mineralogy of Ilímaussaq, no. 104. E-mail address: ovp@savik.geomus.ku | | 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) | Zirconosilicates in the kakortokites of the Ilímaussaq complex, South Greenland: Implications for fluid evolution...Economic Geology, Geological Survey of Denmark and Greenland, Øster Voldgade 10, 1350 Copenhagen, Denmark Department...nepheline syenites (kakortokites) of the Ilímaussaq complex, South Greenland, host voluminous accumulations of...of eudialyte-group minerals (EGM). These complex Na-Ca-zirconosilicates contain economically attractive...silicate gittinsite, previously unidentified at Ilímaussaq, requires an increase in CaO activity and suggests | | Friis, H., Balić-Žunić, T., Pekov, I. V., Petersen, O. V. (2004) Kuannersuite-(Ce), Ba6Na2REE2(PO4)6FCl, a new member of the apatite group, from the Ilímaussaq alkaline complex, South Greenland: description and crystal chemistry. The Canadian Mineralogist, 42 (1) 95-106 doi:10.2113/gscanmin.42.1.95 | Journal (article/letter/editorial) | THE APATITE GROUP, FROM THE ILÍMAUSSAQ ALKALINE COMPLEX, SOUTH GREENLAND: DESCRIPTION AND CRYSTAL CHEMISTRY*...apatite group. It was found in the Ilímaussaq alkaline complex, South Greenland, and occurs as light rose-colored...apatite group, crystal chemistry, Ilímaussaq alkaline complex, Greenland. SOMMAIRE La kuannersuite-(Ce)...geofriis@yahoo.com Contribution to the mineralogy of Ilímaussaq, no. 121. 96 THE CANADIAN MINERALOGIST agencement...(formerly Kvanefjeld) in the Ilímaussaq alkaline complex, South Greenland, by one of the authors (HF) | | | Journal (article/letter/editorial) | nepheline syenite (white foyaite) from the Pilanesberg Complex, South Africa Tom Andersen, Marlina Elburg, Muriel...nepheline syenite (white foyaite) from the Pilanesberg Complex, South Africa, Chemical Geology (2016), doi: 10...nepheline syenite (white foyaite) from the Pilanesberg Complex, South Africa Muriel Erambert1 T Tom Andersen1...Abstract MA The Mesoproterozoic Pilanesberg Complex, South Africa, is built up by several distinct...outermost ring in the southwestern part of the complex (“Matooster type TE white foyaite”). In this | | Pekov, I.V., Chukanov, N.V., Lebedeva, Yu. S., Pushcharovsky, D. Yu., Ferraris, G., Gula, A., Zadov, A.E., Novakova, A.A., Petersen, O.V. (2004) Potassicarfvedsonite, KNa2 Fe2+4Fe3+Si8O22(OH)2, a K-dominant amphibole of the arfvedsonite series from agpaitic pegmatites – Mineral data, structure refinement and disorder in the A site. Neues Jahrbuch für Mineralogie - Monatshefte, 2004 (12) 555-574 doi:10.1127/0028-3649/2004/2004-0555 | Journal (article/letter/editorial) | pegmatites of three agpaitic complexes: Ilímaussaq in South Greenland (holotype), and Lovozero and Khibiny...sodalite, aegirine, steenstrupine-(Ce), epistolite (Ilímaussaq); sodalite, ussingite, analcime, aegirine, lomonosovite...D-70176 Stuttgart 556 I. V. Pekov et al. Ilímaussaq, Lovozero, Khibiny): Li2O 0.45, 0.73, not detected;...90, 99.06 wt. %. The empirical formula of the Ilímaussaq holotype based on 46 units of charge is: (K0... crystal structure, alkaline pegmatites, Ilímaussaq complex, Lovozero massif, Khibiny massif. Introduction | | | Journal (article/letter/editorial) | Mn)7Ti2Si8O24(O,OH)7) samples from the 4 Ilímaussaq complex, Greenland. Thallium geochemistry was used in these...Pb- and/or Tlbearing (Figure 1). Broken Hill orthoclase (BH-O) was chosen as an external standard due...for mass fractionation, and by a Broken Hill orthoclase solution, for data quality analysis via external...8 ppm (2), within a factor of 10 of the bulk orthoclase [Tl] (Table 2). Given that such inclusions are...demonstrated by Hettmann et al. in the Ilímaussaq complex, Greenland (2014b). For each of the remaining 12 | | Hettmann, Kai, Marks, Michael A.W., Kreissig, Katharina, Zack, Thomas, Wenzel, Thomas, Rehkämper, Mark, Jacob, Dorrit E., Markl, Gregor (2014) The geochemistry of Tl and its isotopes during magmatic and hydrothermal processes: The peralkaline Ilimaussaq complex, southwest Greenland. Chemical Geology, 366. 1-13 doi:10.1016/j.chemgeo.2013.12.004 | Journal (article/letter/editorial) | processes: The peralkaline Ilimaussaq complex, southwest Greenland Kai Hettmann a, Michael A.W. Marks a...the alkaline to peralkaline Ilimaussaq complex (South Greenland) to trace magmatic differentiation, crustal...the peralkaline Ilimaussaq intrusive complex in South Greenland as an example to explore in detail the...hydrothermal processes that led to the formation of this complex. Ilimaussaq is especially suited because it has...hydrothermal overprint is evident throughout the complex both in the form of large albitized areas (up to | | | Journal (article/letter/editorial) | Layering in Peralkaline Magmas, Ilı́maussaq Complex, S Greenland Emma J. Hunt, Adrian A. Finch, Colin H....Layering in Peralkaline Magmas, Ilı́maussaq Complex, S Greenland, LITHOS (2016), doi:10.1016/j.lithos.2016...Layering in Peralkaline Magmas, Ilímaussaq Complex, S 2 Greenland 3 Emma J. Hunt*1, Adrian A. Finch...PT 1 The peralkaline to agpaitic Ilímaussaq Complex, S. Greenland, displays 10 spectacular macrorhythmic...which outcrops as the lowest exposed rocks in the complex. This study 12 applies crystal size distribution | | | Journal (article/letter/editorial) | several samples of vinogradovite from the Ilímaussaq complex (Greenland), but it is not dominant at this site...Si(2) site (Kalsbeek & Rønsbo 1992), and thus the Ilímaussaq vinogradovite would not qualify as a mineral...orange spearheadshaped blades associated with orthoclase and analcime from Tvedalen, Larvik, Ves old,...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) | | | Journal (article/letter/editorial) | Malosa in the Zomba-Malosa alkaline syenite-granite complex in southern Malawi is famous for exceptional crystals...been recorded from the Jos-Bukuru Younger granite complex in Plateau State (von Knorring and Dyson 1959)...to yellow tetrahedra to 1 mm associated with orthoclase (adularia), chiavennite, sphalerite, and other...syenite complexes. In Greenland, genthelvite occurs in the Ilímaussaq alkaline complex. At Narsaq in the...the northern part of the complex, it has been found in eudidymite-bearing albitite veins cutting sodalite | | Mikhailova, Julia A., Pakhomovsky, Yakov A., Goychuk, Olga F., Kalashnikov, Andrey O., Bazai, Ayya V., Yakovenchuk, Victor N. (2021) Pre-Pegmatite Stage in Peralkaline Magmatic Process: Insights from Poikilitic Syenites from the Lovozero Massif, Kola Peninsula, Russia. Minerals, 11 (9) 974 doi:10.3390/min11090974 | Journal (article/letter/editorial) | coarsegrained analogs of the host rocks, and extremely complex ones, containing a wide variety of rare minerals...Layered complex or (2) spatially associated with the rocks of the so-called poikilitic complex [27,28]...pegmatites associated with rocks of the poikilitic complex are characterized by the greatest variety of lithium...rocks is the presence of very large crystals of orthoclase with numerous inclusions of feldspathoids. They...et al. [27] stated that rocks of the poikilitic complex represent a pegmatoid stage in evolution of the | | | 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...The Mesoproterozoic Pilansberg agpaitic alkaline complex is a large (∼ 25 × 24 km) partially unroofed ring | | | 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...Singhbhum Mobile Belt (Mazumder, 2005). The age of the complex is not well- R.H. Mitchell, A. Chakrabarty / | | Salvi, S., Fontan, F., Monchoux, P., Williams-Jones, A. E., Moine, B. (2000) Hydrothermal Mobilization of High Field Strength Elements inAlkaline Igneous Systems: Evidence from the Tamazeght Complex (Morocco) Economic Geology, 95 (3) 559-576 doi:10.2113/gsecongeo.95.3.559 | Journal (article/letter/editorial) | Alkaline Igneous Systems: Evidence from the Tamazeght Complex (Morocco) STEFANO SALVI,† FRANÇOIS FONTAN, PIERRE...Toulouse, France Abstract The Tamazeght alkaline complex (High Atlas Mountains of Morocco) is a middle Eocene...contain the highest concentrations of Zr in the complex, although these concentrations are not sufficient...concentration of Zr in the fluids at the Tamazeght complex (possibly as high as ~0.05 m), we suggest that...denotes minerals not occurring in the Tamazeght Complex) Mineral name Formula Baddeleyite Bastnäsite | | | Journal (article/letter/editorial) | geochemistry in the Ivigtut cryolite deposit, South Greenland Jasmin Köhler a , Jens Konnerup-Madsen b , Gregor...Ga old Ivigtut (Ivittuut) intrusion in South Greenland is world-famous for its hydrothermal cryolite...Strange Lake Pluton/Labrador, Mt. St. Hilaire Complex/Quebec or Lovozero and Khibina/Kola Peninsula showed...been conducted in the Gardar Province, South Greenland where silica-undersaturated and silica-oversaturated...et al., 2003). The studies have focused on the Ilímaussaq intrusion which is the type locality of agpaitic | | Schilling, J., Frost, B. R., Marks, M. A. W., Wenzel, T., Markl, G. (2011) Fe-Ti oxide-silicate (QUIlF-type) equilibria in feldspathoid-bearing systems. American Mineralogist, 96 (1) 100-110 doi:10.2138/am.2011.3596 | Journal (article/letter/editorial) | an alkaline to peralkaline multiphase intrusive complex situated roughly 40 km east of Montreal (Quebec...(c) olivine. An = anorthite; Ab = albite; Or = orthoclase; Fo = forsterite; Fa = fayalite; Tep = tephroite...constituent (e.g., the augite syenite unit of the Ilímaussaq intrusion; Marks and Markl 2001) or have crystallized...volcano (southwest Germany) and the Ilímaussaq intrusion (south Greenland) The Mont Saint-Hilaire rocks crystallized...and the augite syenite unit of the Ilímaussaq complex, south Greenland (Marks and Markl 2001), of which | | | Journal (article/letter/editorial) | the authors is from syenite in the Kûgnat complex, Greenland (Upton, 1960). The presence of siderite as...(Ti Kα, Mn Kα), Fe metal (Fe Kα), MgO (Mg Kα), orthoclase (K Kα), albite (Na Kα), fluorite (F Kα), synthetic...alkaline nepheline syenites in the Gardar Rift, Greenland (Jones and Peckett, 1980), and is approximately...alkaline lavas from the Warrumbungle volcanic complex, New South Wales (Duggan, 1988). Zirconium may...trends from Ilímaussaq (Larsen, 1976) and S. Qoroq (Stephenson, 1972), Gardar Rift, Greenland; monzonite | | | Journal (article/letter/editorial) | nepheline syenite in the Pilanesberg Alkaline Complex, South Africa Tom Andersen, Marlina Elburg, Muriel...nepheline syenite in the Pilanesberg Alkaline Complex, South Africa. The address for the corresponding...nepheline syenite in the Pilanesberg Alkaline Complex, South Africa Tom Andersen1,2*, Marlina Elburg2...nepheline syenite in the Pilanesberg Alkaline Complex show contrasting Zr- and Ti-bearing mineral assemblages:...Khibina and Lovozero, Kola Peninsula; Ilímaussaq, South Greenland) and as pegmatites and other late-stage | | 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... However, in ultra-alkaline complexes (e.g., Ilímaussaq: Gerasimovsky, 1969; Strange Lake: Miller, 1986;...these complexes, the zirconium occurs mainly as complex zirconosilicate minerals, such as elpidite (Na2ZrSi6O15 | | | Journal (article/letter/editorial) | elements, LREE), the pattern of order becomes more complex, and may involve up to six crystallographically...only at one other locality, the Khibina alkaline complex on the Kola Peninsula (Khomyakov 1995). At both...(benitoite), AlK␣ (corundum), FeK␣ (ilmenite), KK␣ (orthoclase), SiK␣ (wollastonite), ClK␣ (NaCl) and VK␣ (metallic...glasses (La, Ce), barite (Ba), fayalite (Fe), orthoclase (K), diopside (Si), and synthetic VP2O7 (V)....localities are presented in Tables 3–5. The Lovozero complex, central Kola Peninsula, Russia At Lovozero, apatite-group | | | Journal (article/letter/editorial) | PETROGENESIS OF THE LATE CRETACEOUS ABU KHURUQ ALKALINE COMPLEX, EASTERN DESERT, EGYPT Mohamed A. OBEID§ Department...The Late Cretaceous rocks of the Abu Khuruq ring complex (AKRC), exposed in the southern Eastern Desert...nephelinebearing pegmatites. The rocks of the complex are dominantly metaluminous and enriched in both...by crustal material. Keywords: Abu Khuruq ring complex, syenite, gabbro, phonolite, trachyte, geochemistry...Desert, Egypt. Introduction The Abu Khuruq ring complex (AKRC), located in the southern Eastern Desert | | | Journal (article/letter/editorial) | CARBONATITIC MAGMAS IN THE QASSIARSUK COMPLEX, GARDAR RIFT, SOUTHWEST GREENLAND Tom ANDERSEN Department of Geosciences...Mesoproterozoic Qassiarsuk complex in the Gardar Rift in southwestern Greenland comprises lavas, pyroclastic...liquid immiscibility, Gardar rift, Qassiarsuk Complex, Greenland. Sommaire Le complexe mésoprotérozoïque...case. In the Precambrian Gardar rift of southern Greenland, carbonatite is a minor but quite widespread rocktype...to determine the compositions of magmas in the complex, and to characterize the relationship between silicate |
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