 | | Journal (article/letter/editorial) | | COBALT AND IRON GEOCHEMISTRY OF THE FEN ALKALINE COMPLEX, SOUTHERN NORWAY ROGER H. MITCHELL* and ARILD O... BRUNFELT Mineralogisk-Geologisk Museum, Oslo (Norway) Received August 6, 1974 Whole rock abundances...Co and total Fe are presented for the Fen carbonatite complex. Average Sc and Co abundances are as follows:...trends for this series found in the Oka carbonatite complex. 1. Introduction Eby [ 1] in a study of the Sc...Sc geochemistry of the Oka carbonatite complex has demonstrated that Sc is enriched in the later members |  | | Journal (article/letter/editorial) | | Sokli, SiilinjaĚrvi, Phalaborwa, Jacupiranga and Fen, which contain Mg-rich calcites and/or dolomite,...only dolomitic carbonatites are ârauhaugiteâ from Fen (FE1b) and âbeforsiteâ from Jacupiranga ( JA2). Examples...Germany FE1 Dolomite carbonatite Hydro quarry, Fen, Norway Calcite and dolomite (rauhaugite) dyke FE2...calcite. Cappellen quarry, Fen, Norway FE4 Apatite soĚvite SoĚve Mine, Fen, Norway FE5 Apatite soĚvite...soĚvite SoĚve Mine, Fen, Norway AL1 Pegmatitic ijoliteâsoĚvite Hartung, AlnoĚ, Sweden AL2 Phlogopiteâaegirine |  | | Journal (article/letter/editorial) | | Rare Earth Element Geochemistry of the Fen Alkaline Complex, Norway Roger H. Mitchell* and Arild O. Brunfelt...Brunfelt Mineralogisk-GeologiskMuseum, Oslo, Norway Abstract. Determination of rare earth element (REE)...(REE) abundances in rocks of the Fen complex has shown that within rocks of the first magmatic series REE...differentiation and liquid immiscibility on the Fen magmas are discussed and it is considered that parental...limited (< 10%) partial melting of the mantle. All the Fen rocks are placed in a petrogentic scheme in which |  | | Journal (article/letter/editorial) | | Nepheline-Bearing Rocks From the Poohbah Lake Complex, Ontario: Malignites and MaUgnites Roger H. Mitchell...Canada Abstract. Malignites from the Poohbah Lake complex of northwestern Ontario, Canada are melanocratic...00 R.H. Mitchell and R.G. Platt: Poohbah Lake Complex, Ontario 256 Table 1. Poohbah Lake malignites...conotations. In 1912 Daly described from the Kruger complex of British Columbia, Canada, nepheline syenites...malignites. Brogger (1921) in his study of the Fen complex, Norway, complicated alkaline rock terminology by |  | Skelton, A., Hode Vuorinen, J., Arghe, F., Fallick, A. (2007) Fluidârock interaction at a carbonatite-gneiss contact, AlnĂś, Sweden. Contributions to Mineralogy and Petrology, 154 (1) 75-90 doi:10.1007/s00410-007-0180-1 | Journal (article/letter/editorial) | | affect both the wall rock of the intrusive complex and the complex itself (e.g., BroĚgger 1921; Eckermann...transformation of granitic gneiss to syenite at Fen, Norway, requires the removal of silica and addition...Precambrian (584 Âą 13 Ma; Andersen 1996) AlnoĚ complex consists of nepheline syenites, ijolites and carbonatites...meters, becoming thin and vein-like. The 4 km2 complex is hosted by migmatitic gneisses. Hode Vuorinen...within a 500â600 m wide aureole surrounding the complex. Morogan and Woolley (1988) used the term fenitisation |  | | Book | | Kresten Valentin R. Troll The AlnĂś Carbonatite Complex, Central Sweden GeoGuide Series editors Wolfgang...Kresten Valentin R. Troll ⢠The AlnĂś Carbonatite Complex, Central Sweden 123 Peter Kresten Section for...silicate rock associations focused on the AlnĂśn and Fen complexes in the Fennoscandian Shield (HĂśgbom 1895...this respect, the late Proterozoic AlnĂś igneous complex in central Sweden is one of the most classical...research on the AlnĂś carbonatite and alkaline igneous complex since the very ďŹrst descriptions by HĂśgbom in 1895 |  | | Journal (article/letter/editorial) | | ACCEPTED MAY 21, 1998 The 5 km2 Dicker Willem complex, of Eocene age (49 Ma), is a subvolcanic intrusion...and geochemical evidence from the Dicker Willem Complex, southwest Namibia, relevant to the ijoliteâsoĚvite...Lithologically, the greatly dominant component of the complex, making up >99¡8% by area, is carbonatite, which...(Cooper, 1988, fig. 8). In the southern part of the complex, in particular, the annular remnant of soĚvite...this zone, and at other localities around the complex (see Fig. 1), pale biotiteâsoĚvite encloses or |  | | Journal (volume) | | mineral discoveries from the Larvik Plutonic Complex, southern Norway 47 Harald Oskar Folvik Mineralene fra...Fikkjebakke industriomrĂĽde, Sannidal, Kragerø, Telemark 82 Alf Olav Larsen og Arne Ă
sheim Oberstløytnantskjerpet...Oberstløytnantskjerpet ved Fjellgardane i Fyresdal, Telemark 86 Alf Olav Larsen, JĂśrgen Langhof og Andreas Karlsson...F-rich richterite from the Hydro quarry, Fen complex, Southern Norway: crystallographic data and crystal-chemistry...locality at the Kjennerudvann lake, Kongsberg, Norway 110 Roy Kristiansen and Hans Christian Olsen |  | Zozulya, Dmitry, Kullerud, KĂĽre, Ravna, Erling, Savchenko, Yevgeny, Selivanova, Ekaterina, Timofeeva, Marina (2018) Mineralogical and Geochemical Constraints on Magma Evolution and Late-Stage Crystallization History of the Breivikbotn Silicocarbonatite, Seiland Igneous Province in Northern Norway: Prerequisites for Zeolite Deposits in Carbonatite Complexes. Minerals, 8 (11) 537 doi:10.3390/min8110537 | Journal (article/letter/editorial) | | Silicocarbonatite, Seiland Igneous Province in Northern Norway: Prerequisites for Zeolite Deposits in Carbonatite...of Geology, University of Tromsø, N-9037 Tromsø, Norway; Kare.Kullerud@bvm.no (K.K.); ekr001@post.uit.no...R.) Norwegian Mining Museum, N-3616 Kongsberg, Norway Correspondence: zozulya@geoksc.apatity.ru; Tel...silicocarbonatite (Seiland igneous province, North Norway), allowing conclusions to be drawn concerning its...Si-Al-Ca activities. Poikilitic garnet (Ti-bearing andradite) has inclusions of all primary minerals, amphibole |  | | Journal (article/letter/editorial) | | for a further 33 garnets all belonging to the andradite-melanite-schorlomite series. The increase of refractive...be present. H E exact role of titanium in the andradite-melanite-schorlomite series has for long remained...using the yellow peroxide complex, phosphoric acid being added to complex any iron present. Physical...from colourless to pale-yellow or brown at the andradite end to black in the schorlomites, with intermediate...rather well shown by material from the Borolan Complex in Scotland. Melanite is a ubiquitous component |  | | Journal (article/letter/editorial) | | AMPHIBOLE â CLINOPYROXENE ROCK FROM THE AFRIKANDA COMPLEX, KOLA PENINSULA, RUSSIA: MINERALOGY AND A POSSIBLE...in cumulate ultramafic series of the Afrikanda complex, Kola Peninsula, Russia. The rock is composed of...our previous studies, we demonstrated that the complex mineralogy of CAPR could not be explained in terms...xenocrysts of SILICATE MINERALS IN CAPR, AFRIKANDA COMPLEX, RUSSIA golden yellow, distinctly pleochroic clinopyroxene...Fe-rich compositions, with the examples from the Fen âsilicocarbonatiteâ being the richest in Na and Fe3+ |  | | Journal (article/letter/editorial) | | outer ring of the Magnet Cove alkaline ring-dike complex. Xenoliths were collected from the Diamond Jo quarry...southern part of the complex. The xenoliths contain abundant diopside and Ti-rich andradite garnets and have...Magnet Cove complex. INrnolucrroN The Magnet Cove complex is an alkaline ring-dike complex that crops...Spring County, Arkansas. The igneousrocks of the complex intrude deformed Paleozoic sedimentary rocks of...indicate a Cretaceous age of 95-102 Ma for the complex. Fission-track ages (Eby, 1987) indicate two periods |  | | Journal (article/letter/editorial) | | titanian andradite, 775. Fen complex, schorlomite, 775. Gjerestad, Nedends, titanian andradite, 775. Soroy...hyalophane, 914. Philipstad, Wermland, titanian andradite, 775. Sjogrufvan, Vastmanland, hyalophane, 914...Botswana Semarule, clinopyroxene, 5; titanian andradite, melanite, 775. Rhodesia Beb, fergusonite, 50 |  | | Journal (article/letter/editorial) | | stability of. 839. Andradite, titanian, Botswana, anal., opt., X-ray, sp. gr., 775; Norway and Sweden, anal...South Wales, todorokite, 757. Arendal, Norway, titanian andradite, 775. A rltungameteorite, metallography...of residual soils from the Bulcu~u carbonatite complex, southeastern Uganda, 770. BANERJEE (SUBIR K.)...celsian, 914. Bronzite, Assisi meteorite, 595 ; Norway, in troctolite, anal., 504. BROOKINS (DOUGLAS G...), Olivines from the Igalilco nephelinesyenite complex, south Greenland (abstr.), xxx. Enstatite, I ~ |  | | Journal (article/letter/editorial) | | documented at the Fen carbonatite complex, Norway (Brogger 1921). Fenitization is a complex process, but consists...dominates in the fenitizing fluids at a given complex, the results being either potassic or sodic fenites...ijolitic and carbonarite intrusions within the same complex can impose different types of metasomatism (Le...For example, a recent study of the archetypal Fen complex has shown that fenitizing fluids with low partial...and gabbroic wall-rocks around the carbonatite complex inferred to exist beneath Oldoinyo Lengai (Dawson |  | Ranta, E., Stockmann, G., Wagner, T., Fusswinkel, T., Sturkell, E., Tollefsen, E., Skelton, A. (2018) Fluidârock reactions in the 1.3 Ga siderite carbonatite of the GrønnedalâĂka alkaline complex, Southwest Greenland. Contributions to Mineralogy and Petrology, 173 (10) doi:10.1007/s00410-018-1505-y | Journal (article/letter/editorial) | | siderite carbonatite of the GrønnedalâĂka alkaline complex, Southwest Greenland E. Ranta1,2 ¡ G. Stockmann3...carbonatites of the 1.3 Ga GrønnedalâĂka alkaline complex, Southwest Greenland. We use these data, in combination...Well-known ferrocarbonatitic occurrences include Fen (Norway) (Andersen 1984), Swartbooisdrif (South Africa)...carbonatites of the 1.3 Ga GrønnedalâĂka alkaline complex, Southwest Greenland (Emeleus 1964; Bedford 1989;...in the south, with the GrønnedalâĂka alkaline complex intruding the Archean foreland side of the Ketilidian |  | Chakhmouradian, A.R., Mumin, A.H., DemĂŠny, A., Elliott, B. (2008) Postorogenic carbonatites at Eden Lake, Trans-Hudson Orogen (northern Manitoba, Canada): Geological setting, mineralogy and geochemistry. Lithos, 103 (3) 503-526 doi:10.1016/j.lithos.2007.11.004 | Journal (article/letter/editorial) | | NbâZrârich titanite, low-Hf zircon, allanite-(Ce) and andradite. The calcite is chemically uniform (Sr-rich, MgâMnâFe-poor...The bedrock geology of Manitoba (Canada) is a complex collage of Precambrian structural domains partially...indicated with a thick blue line, and the Eden Lake complex with a star. Numbers on the map at left correspond...the Eden Lake core complex 2.1. Regional geology and tectonics The core complex of the 30-km2 EL pluton...comprises several distinct intrusive phases showing complex field relations. The oldest phase appears to be |  | | Journal (article/letter/editorial) | | Mineralogy and Petrology of the Iron Hill Carbonatite Complex, Colorado determine what, if any, is the genetic...chosen the Iron complex have been examined in order to deter- Hill carbonatite complex, one of the largest...These data, together with the scarcity of rock complex is intrusive into the Precambrian types gradational...fugacities of lQ-7-8b and oxy- be a carbonatite, the complex was reexamined, gen fugacities of the order of...Grogan (1965), who concluded INTRODUCTION that the complex was essentially metasomatic in A considerable amount |  | Abart, R., BĂźrger, D., Cichocki, G., Greiss, M., Horacek, M., Kaindl, R., Kolb, C., Leber, T., Povoden, E., Teiml, X. (1998) Geologisch-Petrologische Exkursion nach SĂźdnorwegen (Oslo Rift und Kaledoniden) Mitteilungen der Ăsterreichischen Mineralogischen Gesellschaft, 143. | Journal (article/letter/editorial) | | seltene Mineralien im sŸdlichen Oslo Graben Der Fen-Komplex Vererzungen des Kongsbergdistrikts Der Aufbau...sŸdlichen Oslo Graben Vierter Exkursionstag: Der Fen-Komplex FŸnfter Exkursionstag: Die Silberminen von...besonders hĹ uĂg. Literatur: [8], [9], [10] A4 Der Fen-Komplex 1921 beschreibt BRÂŻGGER magmatische Karbonatgesteine...sŸdnorwegischen Ortes Fen, die er als ĂŁKarbonatiteĂ bezeichnet. Seither gilt der Fen-Komplex als TypuslokalitĹ t...Der frŸhkambrische, karbonatitische Fen-Komplex liegt in der Telemark-Region in der NĹ he von Ulefoss. Die |  | | Book | | mode to be determined, or if the carbonates are complex CaâMgâFe solid solutions, then the chemical classification...perovskite. It is evident that kimberlites are complex hybrid rocks in which the problem of distinguishing...in which phlogopite occurs as phenocrysts. The complex compositional and mineralogical criteria required...used for peralkaline varieties characterized by complex Zr and Ti minerals, such as eudialyte, rather than...seven countries â USA, Italy, Russian Federation, Norway, Germany, UK and France. Similarly, 13% of the |  | Casillas, R., Demďż˝ny, A., Vennemann, T. W., Ahijado, A. (2004) Oxygen isotope thermometry in carbonatites, Fuerteventura, Canary Islands, Spain. Mineralogy and Petrology, 80 (3) 155-172 doi:10.1007/s00710-003-0022-4 | Journal (article/letter/editorial) | | temperatures of about 680 C for the Kovdor carbonatite complex were obtained by Zaitsev and Polezhaeva (1994)...products respectively of the calcitic melt of the Fen complex (Andersen and Austrheim, 1991). Using geothermometers...Late basaltic dykes intersecting the intrusive complex constitute more than 90% of the outcrop at some...the study area. B Sampling localities and Basal Complex exposures in Fuerteventura, Canary Islands Carbonatite...Cruz and Punta del Pe~ non Blanco, Ajui-Solapa complex; FernaĚndez et al., 1997). Ductile deformation |  | | Journal (article/letter/editorial) | | crystallized with albite or quartz. Titanite, MA andradite-grossular garnet, Mg-Li-rich mica, magnetite,...D quartz by late silicification) and a varied complex mafic mineral paragenesis (compared PT E with...magnetite, or mica), occasionally with poikiloblastic andradite garnet and/or titanite (A1 body, Fig. 3c). In... 3e), anhedral garnet (grossular component > andradite component), dozens of scattered euhedral fluorite...combinations of clinopyroxene (Fig. 3g), titanite, andradite, and magnetite; and (3) fine needles to columnar |  | | Journal (article/letter/editorial) | | Great Rift Valley in southeastern Africa, Fen Province in Norway, Alno in Sweden, Kola Peninsula, and northwestern...17 0.00 0.38 0.39 0.07 0.48 1.30 Gardiner complex â 0.84 â â 2.01 â Pian di Celle Volcano 1.61 0...carbonateâsalt inclusions were observed in garnet (andradite) from dolomite carbonatites (our unpublished data)...carbonatites [5]. In the Gardiner alkaline ultramafic complex (East Greenland), cogenetic carbonate and silicate...from the pyroxenites of the Palabora carbonatite complex (South Africa). The inclusions contained calcite |  | | Journal (article/letter/editorial) | | incorporated concomitantly into a wide range of complex accessory minerals of Th, U, Zr, Y, REE, Nb and...were used: microcline (Si and Al), apatite (P), andradite (Ca and Fe), topaz (F), vanadinite (Pb), MnTiO3...elements in thorite may be due to the existence of complex substitutions, the metamictization and the effects...zircon. 5. Discussion Thorite is one of the most complex minerals known. While its ideal composition is...thorite-zircon and, to a lesser extent, phases containing complex solid solutions with three or more end-members |  | | Book (edition) | | States (nearly all localities), Canada, Germany, Norway, Sweden, Uganda, Tanganyika, Nyasaland, and India...detailed geological survey of the AlnĂŠ Island complex and announced his results in a series of papers...rocks in the field in 1906. Studies in the Fen area of Norway were begun in 1918, and in 1921 Brogger published...classic memoir on the geology and petrology ofthe Fen area in which the term ââcarbonatiteââ was first...completed most of the field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although |
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