 | McDonald, A. M., Cabri, L. J., Rudashevsky, N. S., Stanley, C. J., Rudashevsky, V. N., Ross, K. C. (2008) Nielsenite, PdCu3, a new platinum-group intermetallic mineral species from the Skaergaard intrusion, Greenland. The Canadian Mineralogist, 46 (3) 709-716 doi:10.3749/canmin.46.3.709 | Journal (article/letter/editorial) | | INTERMETALLIC MINERAL SPECIES FROM THE SKAERGAARD INTRUSION, GREENLAND Andrew M. McDONALD§ Mineral Exploration...species discovered in the Skaergaard intrusion, Kangerdlugssuaq area, East Greenland, occurs in a tholeiitic...composite microglobules principally composed of bornite–chalcocite, chalcocite, along with rare digenite...geologist with the Geological Survey of Denmark and Greenland. Keywords: nielsenite, Pd–Cu intermetallic, new...species, platinum-group elements, Skaergaard intrusion, Greenland. § ¶ E-mail address: amcdonald@laurentian |  | | Journal (article/letter/editorial) | | com/locate/lithos Postmagmatic sulphur loss in the Skaergaard Intrusion: Implications for the formation of the Platinova...stratabound Platinova Au–Pd Reef in the Skaergaard Intrusion is intimately linked to Cu–Fe sulphide minerals...silicate–sulphide liquid immiscibility in the Skaergaard magma. However, although the evidence is strong...shape, volume, and compositional relations of the Skaergaard lithologies allows for numerical modeling of...: 82 at the Sandwich Horizon. The present-day bornite–magnetite mineral assemblage is likely to have |  | Godel, Bélinda, Rudashevsky, Nikolay S., Nielsen, Troels F.D., Barnes, Stephen J., Rudashevsky, Vladimir N. (2014) New constraints on the origin of the Skaergaard intrusion Cu–Pd–Au 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 |  | Rudashevsky, N. S., McDonald, A. M., Cabri, L. J., D. Nielsen, T. F., Stanley, C. J., Kretzer, Yu. L., Rudashevsky, V. N. (2004) Skaergaardite, PdCu, a new platinum-group intermetallic mineral from the Skaergaard intrusion, Greenland. Mineralogical Magazine, 68 (4) 615-632 doi:10.1180/0026461046840208 | Journal (article/letter/editorial) | | platinum-group intermetallic mineral from the Skaergaard intrusion, Greenland N. S. RUDASHEVSKY1,*, A. M. MCDONALD2...Canada K1A 0G1 Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark...mineral discovered in the Skaergaard intrusion, Kangerdlugssuaq area, East Greenland. It occurs in a tholeitiic...is found in composite microglobules composed of bornite, chalcocite, digenite, chalcopyrite, with rare...varies from bright creamy white (associated with bornite and chalcopyrite) to bright white (associated with |  | Holwell, David A., Keays, Reid R., McDonald, Iain, Williams, Megan R. (2015) Extreme enrichment of Se, Te, PGE and Au in Cu sulfide microdroplets: evidence from LA-ICP-MS analysis of sulfides in the Skaergaard Intrusion, east Greenland. Contributions to Mineralogy and Petrology, 170 (5) doi:10.1007/s00410-015-1203-y | Journal (article/letter/editorial) | | LA‑ICP‑MS analysis of sulfides in the Skaergaard Intrusion, east Greenland David A. Holwell1 · Reid R. Keays2...Abstract The Platinova Reef, in the Skaergaard Intrusion, east Greenland, is an example of a magmatic Cu–PGE–Au...liquids. Communicated by Chris Ballhaus. Keywords Skaergaard · Platinum-group elements · Gold · Selenium ·...OX14 4RY, UK Introduction The Skaergaard Intrusion in east Greenland is host to the Platinova Reef,...2005; Naldrett 2011 and references therein). ‘Skaergaard-type’ deposits have a number of characteristics |  | | Journal (article/letter/editorial) | | 725‡C: implications for mineralization in the Skaergaard intrusion S. KARUP-MØLLER1, E. MAKOVICKY2,* AND ... Sulphide melt coexists with Cu-Fe-Pd alloys, bornite, Fe1 xS and iss (intermediate solid solution, Cabri...Compositional data were obtained for the associations bornite-alloy-melt, pyrrhotite-alloy-melt and for immiscible...Cu-Pd-Fe-S phase system, sulphide melt, Cu-Pd-Fe alloy, bornite, skaergaardite, nielsenite. Introduction T HE...palladium-gold mineralization in the Skaergaard Intrusion, southeast Greenland has been a topic of detailed investigations |  | | Journal (article/letter/editorial) | | Palladium Alloys in Au–Pd Ore of the Skaergaard Pluton, Greenland N. S. Rudashevskya, V. N. Rudashevskya...Petersburg, Russia Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK1350 København, Denmark...alloys (2314 grains) from the Au–Pd ore of the Skaergaard layered gabbroic pluton have been studied. Skaergaardite...chalcopyrite, bornite, chalcocite), rockforming silicates, and V– Ti–Cr–Fe oxides. In the Skaergaard layered...layered gabbroic pluton (Greenland), the (Cu,Fe)(Au,Pd,Pt) com pound has been identified among Au–Pd minerals |  | | Journal (article/letter/editorial) | | inova GoldandPalladium Reefsin theSkaergaard Intrusion: Stratigraphic andPetrographic Relations JENS...relations ofthePlatinova reefsin theSkaergaard intrusion. Thereefscomprise a strata-bound occurrence of...in a systematic wayacross the intrusion. Nearthe centerof the intrusion, the Au concentration occurs some60...which oxidized the iron-titanium oxides of the intrusion. This oxidation-desulfurization probably hadnooverall...mainpalladiumoccurrence Ltd.revealed thattheSkaergaard intrusion hosts apotentiallysourceestimatebut reachessi |  | | Journal (article/letter/editorial) | | IN THE EAST L. R. WAGER, No. 8 SKAERGAARD INTRUSION, GREENLAND E. A. VINCENT AND A. A. SMALES...ABSTRACT In the chilled marginal gabbro of the Skaergaard intrusion are small specksof chalcopyriteand bornire;...representativeof the amount in the 300 kma of original Skaergaard magma. In the layered rocks, up to the latest...percent by weight of the rock. The sulphidesare bornite, digenite and chalcopyrite, with some covellite...sulphurcontent. INTRODUCTION TI-IESkaergaard intrusion is a layeredbasiccomplex in whichstrongcrystal |  | | Report (issue) | | X-ray Powder Pattern: Skaergaard intrusion, Kangerdlunssuaq area, East Greenland. 2.137 (100), 1.8596...36 (2) 35.82 64.18 100.00 (1) Skaergaard intrusion, East Greenland; average of 11 EDS analyses, corresponding...highly differentiated layered intrusion. Association: Bornite-chalcocite, bornite with trace Ni-Co and Zn sulfides...Distribution: Platinova Reef, Skaergaard intrusion, Kangerdlunssuaq area, East Greenland. Name: Honors Troels...geologist with the Geological Survey of Denmark and Greenland. Type Material: Geologisk Museum, Copenhagen K |  | | Journal (article/letter/editorial) | | Geochemistry of the Platinova Reef, Skaergaard Intrusion, East Greenland* David A. Holwell1,† and Reid R...Platinova Reef, hosted by the 55 Ma Skaergaard intrusion, East Greenland, is an example of a rarer type of...assemblage present in the upper parts of the host intrusion. Such deposits are generally considered to form...late-stage S saturation. In the case of the Skargaard intrusion, the crystallization of the cumulate rocks, and...enrichment. This involves initial S saturation of the Skaergaard magma at a late stage in the crystallization |  | Bowles, J. F. W., Prichard, H. M., Suarez, S., Fisher, P. C. (2013) THE FIRST REPORT OF PLATINUM-GROUP MINERALS IN MAGNETITE-BEARING GABBRO, FREETOWN LAYERED COMPLEX, SIERRA LEONE: OCCURRENCES AND GENESIS. The Canadian Mineralogist, 51 (3) 455-473 doi:10.3749/canmin.51.3.455 | Journal (article/letter/editorial) | | the Tertiary Rum intrusion in NW Scotland (Butcher et al. 1999), from the Skaergaard igneous complex in...in Greenland (Andersen et al. 1998, Andersen 2006), and from the Kap Edvard Holm complex south east of...of Skaergaard (Arnason & Bird 2000, Elsdon 1969). The Freetown complex has been dated, with an age of...in Liberia and suggests that the origin of the intrusion is associated with the early opening of the equatorial...the west with an apparent center or top of the intrusion well out to sea, so that the exposed rocks comprise |  | | Journal (article/letter/editorial) | | metal sulfides that consist of the assemblage bornite + chalcopyrite + digenite. Deposition of the mineralized...mafic-ultramafic intrusive complexes emplaced along the East Greenland continental margin containing Au and PGE mineralized...1). Of these, the Platinova reef of the Skaergaard intrusion is most similar in size and morphology to...(Arnason et al., 1997a; 1997b), Nordre Aputitêq intrusion (Arnason and Bird, 1994), and Miki Fjord macrodike...islands in the Kangerdlugssuaq region of East Greenland (Fig. 1). This Eocene complex intrudes Precambrian |  | 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 |  | Andersen, Jens C. Ø., 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. Ø. 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 110– 220. Nickel depletion...different to the chalcopyrite-bornite-digenite assemblage found in the Skaergaard Layered Series and Platinova |  | | Journal (article/letter/editorial) | | COMMUNICATIONS A GOLD-BEARING HORIZON IN THE SKAERGAARD INTRUSION, EAST GREENLAND DENNIS K. BIRD, Department of Geology...Ford, 1981; Hoover,1989; McBirney,1989). The intrusion is characterized by three mappableunitstermedthe...Grouphorizon of the Middle zonein the Skaergaard intrusion,East Greenland. Theuppermost of theselayersisgoldrich...composition Oceanbasin(Brooksand Nielsen, 1982). Skaergaard fashionwith increasingstratigraphicheight in...plagioclasecompositions are nearlyconstantat An41 The Skaergaard intrusionwasformedby the em- to An49over '-•700 |  | | Report (issue) | | in reflected light, bright creamy white (near bornite and chalcopyrite) to bright white (near digenite...0014(2) Z = 1 X-ray Powder Pattern: Skaergaard intrusion, Greenland. 2.122 (100), 0.8021 (70), 1.2254 (50)...19 (2) 62.61 37.39 . 100.00 (1) Skaergaard intrusion, Greenland; average electron microprobe analysis;...PdAuCu (Skaergaard). Distribution: In the Skaergaard intrusion, Kangerdlugssuaq area, Greenland [TL]. From...Stillwater Complex, Montana, and the South Kawishiwi intrusion, Duluth Complex, Minnesota, USA. In the Kirakkajuppura |  | | 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 Sødalen...Sødalen 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) | | saturation in the PGE–Au mineralisation of the Skaergaard intrusion: evidence from melt inclusions Jonas M....Springer Nature 2020 Abstract The Skaergaard intrusion in East Greenland hosts mineralisation of platinum...from 165 to 320 ppm in the lower part of the intrusion, but increases to 349–512 ppm immediately below...and sulphides remains unknown. Keywords Skaergaard intrusion · Platinova Reef · Sulphide saturation ·...inclusions Introduction The Skaergaard intrusion in East Greenland hosts the Skaergaard PGE–Au mineralisation |  | Power, M. R., Pirrie, D., Andersen, J. C. Ø., Butcher, A. R. (2000) Stratigraphical distribution of platinum-group minerals in the Eastern Layered Series, Rum, Scotland. Mineralium Deposita, 35 (8) 762-775 doi:10.1007/s001260050278 | Journal (article/letter/editorial) | | minerals (PGM) occur throughout the Tertiary layered intrusion on Rum, Scotland. In this paper we document the...occurrences in Tertiary intrusive complexes in East Greenland (e.g. Bird et al. 1991, 1995; Arnason and Bird...pentlandite or chalcopyrite, less commonly chalcocite, bornite or Fe sulphides (Fig. 3b). However, only relatively...pentlandite (commonly Fe-rich), chalcopyrite and bornite, with subordinate amounts of pyrrhotite. Alteration...mineral grains) with chalcopyrite altering to bornite, digenite, chalcocite, covellite and rarely native |  | | Journal (article/letter/editorial) | | similarities with mineralization in the Stella Intrusion, Navigator is more like Rio Jacaré. 17 18 Jameson...typically <1 modal%, dominated by Cu-rich sulfides, bornite and 35 chalcopyrite (Cu/S ratios are typically...resemble reef-type 46 mineralization in the Stella Intrusion, South Africa, whereas Navigator mineralization...52 Cu/Pd and S/Se ratios indicate that this intrusion experienced an earlier sulfide saturation 53...59 Musgrave Province, Giles Complex, Layered intrusion, PGE deposits, Magnetite layers 60 Acknowledgements |  | | Journal (article/letter/editorial) | | Macrodykes of the Kangerlussuaq region, East Greenland David A. Holwell & Thomas Abraham-James & Reid...2011 Abstract The Kangerlussuaq region of East Greenland hosts a variety of early Tertiary extrusive and...also present in the Platinova reefs in the Skaergaard Intrusion, indicate that early fractionation of olivine...globules . Skaergaard . Magmatic . Greenland Introduction The Kangerlussuaq region of East Greenland first...spectacularly layered gabbroic Skaergaard Intrusion was discovered. The Skaergaard Intrusion subsequently received |  | | Report (issue) | | 23/02/07 13:16 Page 1 The PGE potential in Greenland No. 8 - February 2007 GO_08.qxp 23/02/07 ...potential in Greenland The potential for Platinum Group Element (PGE) resources in Greenland is clear and...Palaeogene environments. The PGE potential in Greenland attracted interest already in the 1960s and has...1970s . The corporate interest in PGE targets in Greenland was initiated by Kryolitselskabet Øresund in the...and was related to a suite of norites in West Greenland. Platinomino A/S was established in 1968 to search |  | Naldrett, A J, Brownscombe, W, Herrington, R, Wilkinson, J, Berry, A, Coppard, J, Klatt, S, Kekana, S, Grobler, D, Phipps, M, Dunnett, T, Hadebe, D, Nielsen, S, Broughton, D, Kojonen., K K, Montjoie, R, van Rooyen, N, Reichhardt, F, Nex, P A M, Holwell, D A, Boyce, A J, Jones, A, Holwell, D A, Jones, R E, McDonald, I, Prichard, H M, Yudovskaya, M, Kinnaird, J A, Sobolev, A, Kuzmin, D, Wilson, A (2011) Abstracts. Applied Earth Science, 120 (4) 198-210 doi:10.1179/1743275812y.0000000015 | Journal (article/letter/editorial) | | nuggets revealed a large mafic–ultramamafic layered intrusion below the granulite cover dipping 20–25u NW. PGM-nuggets...occurred at approximately the same time as the intrusion of the Rustenburg Layered Suite and has resulted...sulphide deposits in the Skaergaard, and related intrusions, East Greenland D. A. Holwell1, A. J. Boyce2...intrusions, is the spectacularly layered gabbroic Skaergaard Intrusion. In addition, a distinct set of large gabbroic...100–500 m, are exposed in the area around the Skaergaard Intrusion (Fig. 1). These intrusions are similar in |  | | Journal (article/letter/editorial) | | 63(1). pp. 1 12 Rapid exsolution behaviour in the bornite-digenite series, and implications for natural ore...ABSTRACT Intermediate compositions along the bornite-digenite join exsolve during qnenching from above-solvns...ascribed to variations in the degree of order. Bornite exsolved from digenite-ricb compositions may not...variation observed in end-members. KEYWORDS: bornite, digenite, exsolution, cation ordering. Introduction...by intennextiate compositions of the extensive bornite (CusFeS4)digenite B. A. GRGURIC AND A. PUTNIS |
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