 | | Journal (article/letter/editorial) | | Major and trace element variation in ilmenite in the Skaergaard Intrusion: petrologic implications Yun D....18 July 2001; accepted 5 August 2002 Abstract Ilmenite separates from the floor (LS), roof (UBS), and...and wall (MBS) sequences of the Skaergaard Intrusion were analyzed for major and trace elements using DCP-AES...abundances are, in general, higher in UBS ilmenite than in MBS and LS ilmenite, all three sequences have similar...Th, U, Y, and the REEs are excluded elements in ilmenite, and remained at low abundances during differentiation |  | | Journal (article/letter/editorial) | | 10.1007/s00410-008-0361-6 ORIGINAL PAPER The Skaergaard liquid line of descent revisited Peter Thy Ă...between the suggestion that the iron content of Skaergaard liquids increases during FeâTi oxide fractionation...buffer (FMQ). A new petrographic study of average Skaergaard gabbros shows that the total modal content of...constraints, as well as experimental results on Skaergaard-related dikes, predicts that fractionation of...modal content of FeâTi oxides. Thus, evolved Skaergaard liquids are high in iron and contain a modest |  | | Journal (article/letter/editorial) | | com/locate/epsl The diÂĄerentiation trend of the Skaergaard intrusion and the timing of magnetite crystallization:...May 2001 Abstract Initial studies of the Skaergaard intrusion [L.R. Wager, J. Petrol. 1 (1960) 364^398]...Petrol. 132 (1998) 103^105] concluded that the Skaergaard magma followed an ironenrichment trend with little...(1990) 248^254], however, have suggested that the Skaergaard magma began to follow a silica-enrichment trend...occurs in aggregates of magnetite^ulvo«spinel and ilmenite^hematite that have undergone extensive subsolidus |  | | Journal (article/letter/editorial) | | Supersaturation and crystal growth in the roof-zone of the Skaergaard magma chamber H.R. Naslund Department of Earth...rocks of the Skaergaard intrusion contain abundant skeletal crystals of magnetite and ilmenite, skeletal...intermittently supersaturated and indicates that the Skaergaard magma chamber was compositionally zoned and that...supersaturation developed in the roof-zone of the intrusion as a result of convective overturn and magma mixing...which crystallized against the roof of the Skaergaard intrusion contain features which suggest that the |  | Thy, Peter, Lesher, Charles E., Nielsen, Troels F.D., Brooks, C. Kent (2008) On the Skaergaard intrusion and forward modeling of its liquid line of descent: A reply to âPrinciples of applied experimental igneous petrologyâ by Morse, 2008, Lithos 105, pp. 395â399. Lithos, 105 (3) 401-411 doi:10.1016/j.lithos.2008.04.007 | Journal (article/letter/editorial) | | a t e / l i t h o s Discussion On the Skaergaard intrusion and forward modeling of its liquid line...CA 95616, USA Geological Survey of Denmark and Greenland, Ăster Voldgade 10, DK-1350 KĂžbenhavn K, Denmark...duplicated main features of the gabbros in the Skaergaard layered series [Thy, P., Lesher, C.E., Nielsen...Brooks, C.K. 2006. Experimental constraints on the Skaergaard liquid line of descent. Lithos 92, 154â180.]...emplacement and crystallization conditions of the Skaergaard intrusion. The dike rocks used as starting materials |  | Godel, BĂ©linda, Rudashevsky, Nikolay S., Nielsen, Troels F.D., Barnes, Stephen J., Rudashevsky, Vladimir N. (2014) New constraints on the origin of the Skaergaard intrusion CuâPdâAu mineralization: Insights from high-resolution X-ray computed tomography. Lithos, 190. 27-36 doi:10.1016/j.lithos.2013.11.019 | Journal (article/letter/editorial) | | New constraints on the origin of the Skaergaard Intrusion Cu-Pd-Au mineralization: Insights from high-resolution...N., New constraints on the origin of the Skaergaard Intrusion Cu-Pd-Au mineralization: Insights from high-resolution...MANUSCRIPT New constraints on the origin of the Skaergaard Intrusion Cu- T Pd-Au mineralization: Insights from...Russia. c Geological Survey of Denmark and Greenland (GEUS), Copenhagen 1350, Denmark. CE P b AC...tomography T Platinum-group elements IP Skaergaard intrusion AC CE P TE D MA NU SC R Layered |  | | Journal (article/letter/editorial) | | com/locate/lithos Experimental constraints on the Skaergaard liquid line of descent P. Thy a,â, C.E. Lesher...CA 95616, USA Geological Survey of Denmark and Greenland, Ăster Voldgade 10, DK-1350 KĂžbenhavn K, Denmark...modeling the liquid line of descent of the Skaergaard intrusion. A series of melting experiments on chilled...tholeiitic and ferrobasaltic dikes associated with the intrusion is, in combination with existing data, used to...augite, 14 experiments in addition containing ilmenite and/or magnetite, and 6 experiments in addition |  | | Journal (article/letter/editorial) | | sequence of the Upper Border Series of the Skaergaard Intrusion: revised subdivision and implications for...crystallization sequence of the Skaergaard Intrusion, east Greenland, remains in debate. In particular...plagioclase and olivine followed by augite, then ilmenite and magnetite (simultaneously), sulfides, apatite...plagioclase cores in the three series imply that the Skaergaard magma chamber solidified by in situ crystallization...homogenous, convecting magma body. Keywords Skaergaard Layered intrusion Crystallization sequence Magma |  | | Journal (article/letter/editorial) | | Netherlands LZA ILMENITE-ORTHOPYROXENE INTERGROWTHS FROM THE MOON AND THE SKAERGAARD INTRUSION J.D. HASELTON...1975 Myrmekitic or eutectic-like intergrowths of ilmenite and orthopyroxene, which texturally resemble intergrowths...breccia 60016,92 and in Lower Zone a of the Skaergaard intrusion. The lunar sample is similar in mineral...chemistry to kimberlite occurrences, while the Skaergaard sample is not as Mg-rich. In all cases, however...systematic distribution of Mg between orthopyroxene and ilmenite. The similar textures were formed by different |  | Andersen, Jens C. Ă., Rollinson, Gavyn K., McDonald, Iain, Tegner, Christian, Lesher, Charles E. (2017) Platinum-group mineralization at the margin of the Skaergaard intrusion, East Greenland. Mineralium Deposita, 52 (6) 929-942 doi:10.1007/s00126-016-0707-3 | Journal (article/letter/editorial) | | mineralization at the margin of the Skaergaard intrusion, East Greenland Jens C. Ă. Andersen 1 & Gavyn K...(PGEs) along the northern margin of the Skaergaard intrusion include a sulfide-bearing gabbro with slightly...that the occurrences are related to the Skaergaard intrusion. The Marginal Border Series locally displays...explained by sulfide-silicate immiscibility in the Skaergaard magma with R factors of 110â 220. Nickel depletion...chalcopyrite-bornite-digenite assemblage found in the Skaergaard Layered Series and Platinova Reef. These differences |  | | Journal (article/letter/editorial) | | Petrology of the Basistoppen Sill, East Greenland: A Calculated Magma Differentiation Trend by H. R....tholeiitic intrusion of Eocene age contained largely within the upper part of the Skaergaard igneous complex...a large xenolith of pre-Skaergaard country-rock which sank into the Skaergaard magma chamber (Wager &...to be a post-Skaergaard intrusion emplaced shortly after solidification of the Skaergaard magma (Douglas...differentiation sequences of any known tholeiitic intrusion. The degree of iron-enrichment developed in the |  | | Journal (article/letter/editorial) | | CONCERNING INTENSIVE PARAMETERS IN THE SKAERGAARD INTRUSION S. A. MORSE*, D. H. LINDSLEY**, and R....used to estimate silica activity in the Skaergaard intrusion, which when plotted against 1 /T appears...in silica activity. Compositions of magnetite-ilmenite aggregates serve as useful guides to initial titanomagnetite...analysis of intensive parameters in the Skaergaard intrusion, Williams (197lb) deduced a T-ÂŁ02 path running...choices, guided by the compositions of magnetite-ilmenite aggregates furnished by Wright (1961), yield a |  | | Journal (article/letter/editorial) | | The Skaergaard Intrusion of East Greenland: Paradigms, Problems and New Perspectives Marian B. Holness1...2138/gselements.13.6.391 T he Skaergaard Intrusion of East Greenland is the quintessential example of...expelled from solidifying crystal mushy zones. Skaergaard remains a cradle for new insights into igneous...immiscible liquids on magma evolution. Keywords : Skaergaard, cumulates, fractionation, gabbro INTRODUCTION...wide range of compositions observed in a single intrusion can be created internally by the progressive change |  | | Journal (article/letter/editorial) | | ZINC IN ROCKS AND MINERALS FROM THE SKAERGAARD INTRUSION, EAST GREENLAND C.B. DISSANAYAKEand E.A. VINCENT...Zinc in rocks and minerals from the Skaergaard intrusion, east Greenland. Chem. Geol., 9:285 -297. Zinc has...suite of rocks and minerals from the Skaergaard intrusion, east Greenland, by atomic absorption spectrophotometry...layered basic igneous complexes, the Skaergaard intrusion of east Greenland has been the most extensively studied...magma. For a detailed description of the Skaergaard intrusion, the reader is referred to Wager and Brown |  | | Journal (article/letter/editorial) | | Evolution of Gabbroic Pegmatites in the Skaergaard Intrusion, East Greenland by RUNE B. LARSEN 1 * AND C. KENT...ABSTRACT The layered tholeiitic gabbros of the Skaergaard Intrusion contain a large variety of gabbroic pegmatites...gabbroic zone, consisting of plagioclase, pyroxene, ilmenite, magnetite, apatite, ± olivine; (B) becomes progressively...intercumulus liquids which were derived from the Skaergaard parental melts. The pegmatitic melts were buoyant...essentially late magmatic products derived from the Skaergaard melt and, therefore, provide us with unique objects |  | | Journal (article/letter/editorial) | | Palladium Alloys in AuâPd Ore of the Skaergaard Pluton, Greenland N. S. Rudashevskya, V. N. Rudashevskya...Petersburg, Russia Geological Survey of Denmark and Greenland, Ăster Voldgade 10, DK1350 KĂžbenhavn, Denmark...alloys (2314 grains) from the AuâPd ore of the Skaergaard layered gabbroic pluton have been studied. Skaergaardite...Vâ TiâCrâFe oxides. In the Skaergaard layered gabbroic pluton (Greenland), the (Cu,Fe)(Au,Pd,Pt) com...minerals of gab bro. In the Rum layered gabbroic intrusion (Scot land), an alloy close in composition to |  | Holness, M. B., Stripp, G., Humphreys, M. C. S., Veksler, I. V., Nielsen, T. F. D., Tegner, Christian (2011) Silicate Liquid Immiscibility within the Crystal Mush: Late-stage Magmatic Microstructures in the Skaergaard Intrusion, East Greenland. Journal of Petrology, 52 (1) 175-222 doi:10.1093/petrology/egq077 | Journal (article/letter/editorial) | | Magmatic Microstructures in the Skaergaard Intrusion, East Greenland 1 DEPARTMENT OF EARTH SCIENCES...GERMANY 4 GEOLOGICAL SURVEY OF DENMARK AND GREENLAND, STER VOLDGADE 10, DK-1350 COPENHAGEN K, DENMARK...the last stages of solidification of the Skaergaard intrusion comprise a wide array of reactive and non-reactive...granophyric intergrowths and previously undescribed ilmenite-rich intergrowths that are interpreted as a consequence...and disappearing (to be replaced by a granophyre^ilmenite-rich intergrowth association) in the Upper Zone |  | | Journal (article/letter/editorial) | | Texture in the Chilled Olivine Gabbro of the Skaergaard Intrusion By L. R. WAGER (PLATES XVII-XIX) ABSTRACT...textures of the chilled marginal gabbro of the Skaergaard intrusion and of the coarser marginal gabbros 25 yards...or poikilitic crystallization of pyroxene and ilmenite about scarce nuclei, produced at lower temperatures...olivine gabbro occurring at the margins of the Skaergaard intrusion contains pyroxene with an ophitic texture...is figured in the original paper on the Skaergaard intrusion (Wager and Deer, 1939, pi. 20, fig. 1). |  | | Journal (article/letter/editorial) | | October 2008 Keywords: Experimental petrology Skaergaard Tholeiitic magma Liquid immiscibility Plutonic...for a classical example of the Skaergaard intrusion in East Greenland, where the trend of extreme Fe...seemingly conïŹicting results of experiments on Skaergaard natural cumulate rocks and model melt compositions...assumed that silicate liquid immiscibility in Skaergaard started not at the very end of crystallization...crystallization but earlier, soon after the start of ilmenite and magnetite crystallization. © 2008 Elsevier B.V. |  | | Journal (article/letter/editorial) | | 1093/petrology/egq083 Crystallization of the Skaergaard Intrusion from an Emulsion of Immiscible Iron- and...olivine in the Upper Zone of the Skaergaard intrusion, East Greenland, demonstrates the occurrence of...petrological importance of liquid immiscibility in the Skaergaard and tholeiitic magmas in general, we have studied...plagioclase (42^59%), clinopyroxene (28^41%), ilmenite (4^9%), magnetite (3^10%), apatite (1^9%) and...layered intrusion; differentiation; liquid immiscibility; melt inclusion; Skaergaard intrusion *Corresponding |  | | Journal (article/letter/editorial) | | to 78, 1976 71 of bismuth in the Skaergaard intrusion C. B. DISSANAYAKE Department of Geology...bismuth contents of 19 rocks from the Skaergaard intrusion, determined by a sub-stoichiometric tracer...the cumulus phases, titaniferous magnetite and ilmenite provide the most favourable host minerals, followed...of the intrusion. INTRODUCTION sample funnel. The use of Clerici's solution The Skaergaard gabbroic...gabbroic intrusion of eastern Greenland has been the subject of detailed petrological and geochemical studies |  | | Report (issue) | | and Mining in Greenland GEOLOGY AND ORE The mineral potential of the East Greenland Palaeogene intrusions...complex Wiedemann Fjord Lilloise intrusion Kangerlussuaq intrusion Flammefjeld Bl os se SĂždalen...SĂždalen Miki Fjord Skaergaard intrusion Kangerlussuaq Kap Edvard Holm Palaeogene basalt Nordre Aputiteq Cretaceous/Palaeogene...Major fault Iceland Map of the Palaeogene East Greenland igneous province. 2 16° I Major sill complexes...strike for hundreds of kilometres and represent intrusion from c. 60 to at least 35 Ma. The dyke swarms |  | | Journal (article/letter/editorial) | | M I N E R A L S O F T H E S K A E R G A A R D INTRUSION E.A. VINCENT and G. NIGHTINGALE Department of...1974. Gallium in rocks and minerals of the Skaergaard intrusion. Chem. Geol., 14: 63--73. Gallium has been...analysis in a suite of 26 rocks from the Skaergaard intrusion and in the separated cumulus minerals of...ppm) are found in titaniferous magnetite. The one ilmenite analysed in contrast contains only 1 ppm Ga. The...elements in the rocks and minerals o f the Skaergaard intrusion was s u m m a r i s e d b y Wager and B |  | | Journal (article/letter/editorial) | | distribution study of the Lilloise layered intrusion, East Greenland C. MAGEE â â , B. OâDRISCOLL⥠& A. D. CHAMBERS...stratigraphic levels of the Lilloise intrusion, East Greenland, demonstrate that postcumulus textural...at higher levels in the intrusion. Keywords: Lilloise, layered mafic intrusion, crystal size distribution...layered intrusions. These include the Skaergaard Complex (East Greenland) and the Rum Layered Suite (NW Scotland)...probable that no layered intrusion has been more controversial than the Skaergaard Complex; after 80 years |  | Holwell, David A., Barnes, Stephen J., Le Vaillant, Margaux, Keays, Reid R., Fisher, Louise A., Prasser, Richard (2016) 3D textural evidence for the formation of ultra-high tenor precious metal bearing sulphide microdroplets in offset reefs: An extreme example from the Platinova Reef, Skaergaard Intrusion, Greenland. Lithos, 256. 55-74 doi:10.1016/j.lithos.2016.03.020 | Journal (article/letter/editorial) | | extreme example from the Platinova Reef, Skaergaard Intrusion, Greenland David A. Holwell, Stephen J. Barnes...extreme example from the Platinova Reef, Skaergaard Intrusion, Greenland, LITHOS (2016), doi: 10.1016/j.lithos... example from the Platinova Reef, Skaergaard Intrusion, Greenland NU David A. Holwella*, Stephen J...Reef in the Skaergaard Intrusion, east Greenland, is an example of a type of layered-intrusion-hosted, precious... Keywords: AC CE P TE D MA NU SC RI Skaergaard, platinum-group elements, gold, microtomography |
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