 | Andersen, Jens C. Ć., 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. Ć. Andersen 1 & Gavyn K...(PGEs) along the northern margin of the Skaergaard intrusion include a sulfide-bearing gabbro with slightly...Matching platinumgroup mineral assemblages with sperrylite (PtAs2), kotulskite (Pd(Bi,Te)1ā2), froodite...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 110ā 220. Nickel depletion |  | 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) | | LAāICPāMS analysis of sulfides in the Skaergaard Intrusion, east Greenland David A. Holwell1 Ā· Reid R. Keays2...Springerlink.com Abstract The Platinova Reef, in the Skaergaard Intrusion, east Greenland, is an example of a magmatic...poor. However, even for such deposits, the Platinova Reef contains extremely low volumes of sulfide and...analyses of sulfide microdroplets from the Platinova Reef, which show that they have the highest Se concentrations...Keywords Skaergaard Ā· Platinum-group elements Ā· Gold Ā· Selenium Ā· Sulfide saturation Ā· Platinova Reef Ā· S/Se |  | | Journal (article/letter/editorial) | | peaks. Platinum minerals are primary Pt-Fe alloy, sperrylite, and moncheite, with secondary Pt sulfide overgrowths...recrystallization of PGE minerals. Introduction IN 1990, Platinova Resources discovered a layer rich in gold and...mafic-ultramafic intrusive complexes emplaced along the East Greenland continental margin containing Au and PGE mineralized...rocks (Fig. 1). Of these, the Platinova reef of the Skaergaard intrusion is most similar in size and morphology...Albany, NY 12222 0361-0128/00/3071/945-26 $6.00 Platinova reef is a continuous, strata-bound zone of gabbro |  | Barnes, Stephen J., Fisher, Louise A., Godel, BĆ©linda, Pearce, Mark A., Maier, Wolfgang D., Paterson, David, Howard, Daryl L., Ryan, Christopher G., Laird, Jamie S. (2016) Primary cumulus platinum minerals in the Monts de Cristal Complex, Gabon: magmatic microenvironments inferred from high-definition X-ray fluorescence microscopy. Contributions to Mineralogy and Petrology, 171 (3) doi:10.1007/s00410-016-1232-1 | Journal (article/letter/editorial) | | Some of the PtāAs grains can be identified as sperrylite, and most are likely to be PtāFe alloy. The relative...range 20ā150 ppb, in the Monts de Cristal layered intrusion in Gabon, west Africa. This occurrence is distinctly...Cristal Complex is a layered maficāultramafic intrusion in Gabon, containing layers of anomalously Pt-enriched...>100 km long and 1ā3 km wide, ultramaficāmafic intrusion (EdouMinko et al. 2002; Maier et al. 2015). It...pyroxenite layer are very homogenous across the intrusion. The data cluster quite tightly from 20ā120 ppb |  | Prichard, Hazel M., Mondal, Sisir K., Mukherjee, Ria, Fisher, Peter C., Giles, Nicolas (2018) Geochemistry and mineralogy of Pd in the magnetitite layer within the upper gabbro of the Mesoarchean Nuasahi Massif (Orissa, India) Mineralium Deposita, 53 (4) 547-564 doi:10.1007/s00126-017-0754-4 | Journal (article/letter/editorial) | | to Pd-oxides, and other PGM including PtAs2 (sperrylite), RuS2 (laurite), and IrRhAsS Editorial handling:...are associated with secondary Cu minerals and sperrylite. Subsequent oxidation during weathering in the...a sill-like Archean layered ultramafic-mafic intrusion genetically linked to high-Mg siliceous basalt...Bahia, Brazil (SĆ” et al. 2005), the Skaergaard Intrusion in Greenland (e.g., Nielsen et al. 2015), the RincĆ³n...the USA (Hauck et al. 1997), and the Freetown Intrusion in Sierra Leone (Bowles et al. 2013). Platinum-group |  | | Book | | CASE HISTORIES 15. Fedorov-Pana layered mafic intrusion, (Kola Peninsula, Russia): approaches, methods...Michaud, J. Rickard 369-390 18. Discovery of the J-M Reef, Stillwater Complex, Montana: the role of soil and...R.T. Brown 409-429 20. The Platinova Reef of the Skaergaard intrusion T.F.D. Nielsen, J.C.O. Andersen...Chromitite Merensky Reef STILLWATER COMPLEX GREAT DYKE MUNNI MUNNI INTRUSION SKAERGAARD INTRUSION CONTRASTS AND...Stratigraphic Association Mineral Compositions Within-Reef Fractionation of the PGE Cu/Pd values SUMMARY 57 |  | 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) | | arsenides and antimonides, possibly derived from sperrylite (PtAs2) and āmertieiteā [Pd8(Sb,As)3 to Pd11(Sb...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 |  | | Journal (article/letter/editorial) | | ((Ir,Ru,Rh,Pt)AsS), michenerite, moncheite, and sperrylite (PtAs2). Laurite (RuS2) and skaergaardite (PdCu)...10 0 30 50 70 b) 130 Gold Skaergaardite Sperrylite Galena Laurite 300 Atte nua tion 90 110 Energy...a sample of Pd5 layer of the Platinova reef of the Skaergaard intrusion (see details in Fig. 7). in...a sample of Pd5 layer of the Platinova reef of the Skaergaard intrusion. (a) Two-dimensional HRXCT slice...was drilled from a sample of Platinova reef (Skaergaard intrusion, Greenland) and analyzed using HRXCT (Godel |  | | Journal (article/letter/editorial) | | mineralization hosted in a medium-size layered intrusion Eduardo T. Mansur, Cesar F. Ferreira Filho, Denisson...mineralization hosted in a medium-size layered intrusion, Ore Geology Reviews (2020), doi: https://doi...mineralization hosted in a medium-size layered intrusion Eduardo T. Mansur*Ā¹,Ā³, Cesar F. Ferreira FilhoĀ¹...Sulfide Zone extends along the entire length of the intrusion (~ 3 km) and hosts the bulk of PGE resources of...exploration programs. Keywords: PGE; nickel; layered intrusion; magmatic sulfide; CarajĆ”s 1 - Introduction Most |  | McCreesh, Matthew J. G., Yudovskaya, Marina A., Kinnaird, Judith A., Reinke, Christian (2018) Platinum-group minerals of the F and T zones, Waterberg Project, far northern Bushveld Complex: implication for the formation of the PGE mineralization. Mineralogical Magazine, 82 (3) 539-575 doi:10.1180/mgm.2018.83 | Journal (article/letter/editorial) | | The lower ultramafic F zone is dominated by sperrylite (up to 82 area %) with minor Pt-Pd bismuthotellurides...area %), Pd tellurides and Au-Ag alloy with rare sperrylite, braggite, Pd stannides and antimonides. The... Waterberg project, platinum-group minerals, sperrylite, Pt-Pd bismuthotellurides, gold, magmatic sulphides...(Zeh et al., 2015) BC is the largest layered intrusion on Earth and hosts the worldās largest magmatic...ore in hybrid rocks, and exoskarns as well as and reef style mineralisation hosted by feldspathic pyroxenite |  | Bai, Zhong-Jie, Zhong, Hong, Li, Chusi, Zhu, Wei-Guang, Xu, Gui-Wen (2012) Platinum-group elements in the oxide layers of the Hongge maficāultramafic intrusion, Emeishan Large Igneous Province, SW China. Ore Geology Reviews, 46. 149-161 doi:10.1016/j.oregeorev.2012.02.007 | Journal (article/letter/editorial) | | the oxide layers of the Hongge maļ¬cāultramaļ¬c intrusion, Emeishan Large Igneous Province, SW China Zhong-Jie...Hongge intrusion Emeishan Large Igneous Province a b s t r a c t The Hongge layered intrusion (259.3...Igneous Province (ELIP), SW China. The Hongge intrusion consists of a lower olivine clinopyroxenite zone...concentrations of PGE in the oxide layers of the Hongge intrusion. Unlike in the economic PGE (platinum-group elements)...Pd) coeval Xinjie intrusion (259 Ā± 3 Ma), the oxide layers in the Hongge intrusion contain very low PGE |  | | Journal (article/letter/editorial) | | similarities with mineralization in the Stella Intrusion, Navigator is more like Rio JacarĆ©. 17 18 Jameson...Cu-dominated sulfides. 15 16 Three magnetite-related, PGE reef-type prospects from the west Musgraves; ā¢ Latitude...the base of the mineralization, highlighting that reef-type 42 mineralization has been intersected. ...PPGE>IPGE, which is typical 44 for magnetite-related, reef-type Cu-PGE deposits. The Jameson mineralization...characteristics that closely resemble reef-type 46 mineralization in the Stella Intrusion, South Africa, whereas Navigator |  | | Journal (article/letter/editorial) | | Palladium Alloys in AuāPd Ore of the Skaergaard Pluton, Greenland N. S. Rudashevskya, V. N. Rudashevskya...Petersburg, Russia Geological Survey of Denmark and Greenland, Ćster Voldgade 10, DK1350 KĆøbenhavn, Denmark...alloys (2314 grains) from the AuāPd ore of the Skaergaard layered gabbroic pluton have been studied. Skaergaardite...Vā TiāCrāFe 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 |  | | Journal (article/letter/editorial) | | rocks of the Pt reef, with a gradual upsection REE increase. It is suggested that the PGE reef of the Vurechua...ivench Massif, as the Platinova Reef (Skaergaard massif) and SonjuLake Intrusion (Duluth complex), was...(MLC) is the best studied Paleoprotero zoic intrusion of the Kola region. Geological studies in this...horizon with anorthosite bodies and related PGE reef were found among metagabbronorites. The PGE mineralization...bismuth tellurides, and less common majakite, sperrylite, hollingworthite, irarsite, menshikovite, and |  | | Journal (article/letter/editorial) | | 1-1 Āµm) platinum-group minerals (PGM) such as sperrylite and irarsite, respectively. The high (>1 ppm)...2014b; Latypov et al. 2013; Godel 2015). Layered intrusion-bearing āstratiformā chromitite seams are associated...deposits (reefs) of the PGE on Earth: the Merensky Reef and the UG-2 chromitite, both situated in the Critical...grades (>20 ppm Pt, Pd). In contrast to layered intrusion-hosted PGE deposits which typically show high...mobilisation has occurred in sulphides of the ļ¾2.7 Ga JM Reef (Stillwater Complex), during the Laramide Orogeny |  | Kolb, Jochen, Keiding, Jakob K., Steenfelt, Agnete, Secher, Karsten, Keulen, Nynke, Rosa, Diogo, Stensgaard, Bo M. (2016) Metallogeny of Greenland. Ore Geology Reviews, 78. 493-555 doi:10.1016/j.oregeorev.2016.03.006 | Journal (article/letter/editorial) | | Metallogeny of Greenland Jochen Kolb, Jakob K. Keiding, Agnete Steenfelt, Karsten Secher...Rosa, Diogo, Stensgaard, Bo M., Metallogeny of Greenland, Ore Geology Reviews (2016), doi: 10.1016/j.oregeorev...pertain. ACCEPTED MANUSCRIPT Metallogeny of Greenland JOCHEN KOLB1, JAKOB K. KEIDING1,2, AGNETE STEENFELT1...Economic Geology, Geological Survey of Denmark and Greenland, Ćster Voldgade 10, 1350 Copenhagen K, Denmark...TE D MA Corresponding author: jkol@geus.dk Greenland is the largest island on Earth, with 80% of its |  | | Journal (article/letter/editorial) | | (10 km2) layered, tholeiitic, mafic-ultramafic intrusion located 50 km southwest of Rockhampton that was...Pd-As, Pd-Sb, Pd-S, michenerite (PdBiTe2) and sperrylite (PtAs2) and is considered to be primary magmatic...PPGE (Pd and Pt), Au, S and Cu values for the intrusion are high while IPGE (Ir and Ru) are low. A total...sulphides were not precipitated en masse as in the J M reef of the Stillwater Complex,'no discrete, narrow horizon...formed. Key words: Bucknalla Complex, layered intrusion, mafic-ultramafic, platinum-group elements, selenium |  | | Journal (article/letter/editorial) | | Elements into Pyrite in the Fazenda Mirabela Intrusion, Brazil Robert D. Knight,1,ā ,* Hazel M. Prichard...70910-900, Brazil Abstract The Fazenda Mirabela intrusion in Brazil hosts two zones of mineralization, the...northern and southern (marginal) zones of the intrusion, (Pt,Pd,Ni,Cu)(Fe,Bi,Te)2 minerals are accompanied...accompanied by As-bearing platinum group minerals (PGM) sperrylite (PtAs2), and irarsite ([RhIrPt]AsS). These As-bearing...zone of the intrusion, suggesting that As has been introduced into the margins of the intrusion from the |  | O'Driscoll, Brian, Day, James M.D., Daly, J. Stephen, Walker, Richard J., McDonough, William F. (2009) Rheniumāosmium isotopes and platinum-group elements in the Rum Layered Suite, Scotland: Implications for Cr-spinel seam formation and the composition of the Iceland mantle anomaly. Earth and Planetary Science Letters, 286 (1) 41-51 doi:10.1016/j.epsl.2009.06.013 | Journal (article/letter/editorial) | | Palaeogene picrites and basalts from Bafļ¬n Island, Greenland and Scotland. Thus, the Os isotope data suggest...regarded as a classic example of a layered maļ¬c intrusion that formed by open-system magmatic differentiation...aspect of the Rum Cr-spinel seams and layered intrusion Cr-spinel seams in general is how and when they...and Western Layered Intrusions and the Central Intrusion that make up the Rum Layered Suite. The geological...geological map of the Eastern Layered Intrusion shows the sampling localities for the Unit 7ā8, Unit 9 and |  | Han, Chunming, Xiao, Wenjiao, Zhao, Guochun, Qu, Wenjun, Du, Andao (2007) ReāOs dating of the Kalatongke CuāNi deposit, Altay Shan, NW China, and resulting geodynamic implications. Ore Geology Reviews, 32 (1) 452-468 doi:10.1016/j.oregeorev.2006.11.004 | Journal (article/letter/editorial) | | 6ā57 23.64ā1886.58 0.10889Ā± 0.00035 4.8ā24 intrusion hosts a concentration of massive CuāNi-bearing...CuāNibearing sulfide ores from the Kalatongke intrusion to further constrain the timing of mineralization...mineralization (Yan et al., 2003). The No. 1 intrusion is 695 m long and up to 270 m wide. It extends...funnel-shaped and become vein-like at depth. The No. 1 intrusion intrudes the upper unit of the Lower Carboniferous...titanite. The No. 2 intrusion is located 400 m southeast of the No. 1 intrusion. It is 1400 m in length |  | | Journal (article/letter/editorial) | | of the Medek platinum-bearing duniteāwehrlite intrusion (East Sayan, Russia) A.S. Mekhonoshin, T.B. Kolotilina...during the formation of the Medek duniteā wehrlite intrusion. Its structural position, internal structure,...to bottom of the vertical cross section of the intrusion. In addition, there is a decrease in the volume...is proposed, which links the formation of the intrusion with the break-up of Rodinia and the further changes...boudinage that impedes defining both the primary intrusion shape and the location of ore-bearing horizons |  | | Journal (article/letter/editorial) | | Keywords Platinum-group minerals . Freetown intrusion . Sierra Leone . Weathering . Mobility of platinum...and alluvial deposits from the Freetown Layered Intrusion in Sierra Leone, West Africa, since 1926 and have...1951). The weathered covering of the Freetown intrusion consists of low-grade bauxitic laterites with...result of intense weathering and erosion of the intrusion (Dixey 1920; Morel 1979). Erosion surfaces at...wave-cut platforms cut into the rocks of the intrusion. Deposits at the base of the lower erosion surface |  | | Book | | Complex 2.4.2 The Stillwater Complex 2.4.3 Skaergaard Intrusion 10 10 11 15 15 17 17 19 19 19 24 31 3...Layered Intrusions 9.5.1 The J-M Reef, Stillwater Complex 9.5.2 The Merensky Reef, Bushveld Complex 9.6 Summary...Examples of Isotopic Variability 13.2.1 The Skaergaard Intrusion 13.2.2 Bushveld Complex 13.2.2.1 Bushveld...Hydromagmatic Formation Models Critique of the PGE Reef Hydromagmatic Formation Models Future Work References...this book are from the Stillwater, Bushveld and Skaergaard intrusions, a brief overview of these three intrusions |  | Barkov, Andrei, Shvedov, Gennadiy, Silyanov, Sergey, Martin, Robert (2018) Mineralogy of Platinum-Group Elements and Gold in the Ophiolite-Related Placer of the River Bolshoy Khailyk, Western Sayans, Russia. Minerals, 8 (6) 247 doi:10.3390/min8060247 | Journal (article/letter/editorial) | | Ru-rich alloy (gray) is surrounded by a rim of sperrylite, Note the existence of a zone oflamellae metasomatic...of Ru-rich alloy (gray) is (d) surrounded of sperrylite, Spy. Note the existence of a zone of metasomatic...accompanied by(labeled by a subhedral rim of sperrylite, Spy. Note the existence of a zone of metasomatic...31)Ī£2.00]. This alteration and aofseleniferous of sperrylite, Spy-(Se) [(Pt isoferroplatinum (Isf): Ptvariety...and in contact with the outer rim of Se-free sperrylite, Spy [(Pt 0.54Rh0.45)Pt Ī£0.99(AsCu 1.29Se0.40S |  | | Report (issue) | | been known to contain PGE since the discovery of sperrylite in 1888 (Wells, 1889); however, new discoveries...recent work on the contact-type and magnetitite reef-type mineralization in ferroan olivine gabbros,...types of mineralization such as the Merensky Reef, the UG2 Reef, the Platreef, the Main Magnetitite, and...mineralization, including that associated with the J-M Reef in the currently producing mines of the Stillwater...PGE mineralization in the Monchegorsk layered intrusion (Kola Peninsula, Russia). Exploration activity |
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