 | 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...less than 1 ppm PGE + Au and a clinopyroxene-actinolite-plagioclase-biotiteilmenite schist with 16 vol%...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 |  | 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...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 · Platinum-group elements · Gold · Selenium · Sulfide saturation · Platinova Reef · S/Se |  | 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...of the annite–phlogopite series, hornblende, actinolite, epidotegroup minerals, calcite, ankerite, apatite...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) | | similarities with mineralization in the Stella Intrusion, Navigator is more like Rio Jacaré. 17 18 Jameson...Cu-dominated sulfides. 15 16 Three magnetite-related, PGE reef-type prospects from the west Musgraves; • 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 |  | | 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 |  | 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...of the annite–phlogopite series, hornblende, actinolite, epidote, calcite, ankerite, apatite and baddeleyite...elements, hydroseparation, Skaergaard intrusion, Greenland, Duluth intrusion, Minnesota. Introduction |  | Bai, Zhong-Jie, Zhong, Hong, Li, Chusi, Zhu, Wei-Guang, Xu, Gui-Wen (2012) Platinum-group elements in the oxide layers of the Hongge mafic–ultramafic 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 mafic–ultramafic 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 ± 3 Ma), the oxide layers in the Hongge intrusion contain very low PGE |  | 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, Øster 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) | | 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...V– Ti–Cr–Fe 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) | | 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*¹,³, Cesar F. Ferreira Filho¹...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; Carajás 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) | | (Zeh et al., 2015) BC is the largest layered intrusion on Earth and hosts the world’s largest magmatic...ore in hybrid rocks, and exoskarns as well as and reef style mineralisation hosted by feldspathic pyroxenite...and a higher Cu/Pd (Yudovskaya et al., 2017). The reef style mineralisation occurs in uncontaminated pristine...assemblages closely resemble that of the Merensky reef mineralisation: chromitites host predominant Pt-Pd...between 1.9-2.0 Ga (Huthmann et al., 2016). The intrusion in the Waterberg project area is a long lobe of |  | | Journal (article/letter/editorial) | | economically significant ore zones such as the Merensky Reef of the Bushveld Complex has previously received...Critical Zones below the platiniferous Merensky Reef. These grains occur with calcite that is in textural...chloride–carbonate fluid in the rocks beneath the Merensky Reef. Finally, a vapor-refining model is presented which...references therein), the layered mafic–ultramafic intrusion formed 2,054 Ma ago and comprises approximately...the Western, Northern, and Eastern lobes. The intrusion is 7–9 km thick and is also referred to as the |  | Karykowski, Bartosz T., Polito, Paul A., Maier, Wolfgang D., Gutzmer, Jens, Krause, Joachim (2017) New insights into the petrogenesis of the Jameson Range layered intrusion and associated Fe-Ti-P-V-PGE-Au mineralisation, West Musgrave Province, Western Australia. Mineralium Deposita, 52 (2) 233-255 doi:10.1007/s00126-016-0655-y | Journal (article/letter/editorial) | | the petrogenesis of the Jameson Range layered intrusion and associated Fe-Ti-P-V-PGE-Au mineralisation...com Abstract The Mesoproterozoic Jameson Range intrusion forms part of the Giles Complex, Musgrave Province...such as the Bushveld Complex. In addition, the intrusion hosts several P-rich zones, one of which is at...Keywords Musgrave Province . Giles Complex . Layered intrusion . Platinum-group elements . Magnetite layers ...stratigraphy of the poorly exposed Jameson Range intrusion and to provide a better estimate on the thickness |  | | Journal (article/letter/editorial) | | (10 km2) layered, tholeiitic, mafic-ultramafic intrusion located 50 km southwest of Rockhampton that was...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...complex, previously known as the Westwood Layered Intrusion (Carrigg et al. 1989), is located 50 km southwest |  | | Journal (article/letter/editorial) | | such as observed in the upper parts of the Skaergaard intrusion? (c) Can changes in metal ratios be used...liquid. There appears to be little prospect of a Pd-reef type deposit in the Upper Zone. Comparison of the...and thus more mafic than marginal rocks to the intrusion or (b) fractionated magma has been removed from...layers, known as reefs, in the lower third of the intrusion, and consequently most previous studies of the...in PGE concentrations from the margins of the intrusion to the reefs and an abrupt decrease in concentrations |  | Brzozowski, M. J., Samson, I. M., Gagnon, J. E., Good, D. J., Linnen, R. L. (2020) On the Mechanisms for Low-Sulfide, High-Platinum Group Element and High-Sulfide, Low-Platinum Group Element Mineralization in the Eastern Gabbro, Coldwell Complex, Canada: Evidence from Textural Associations, S/Se Values, and Platinum Group Element Concentrations of Base Metal Sulfides. Economic Geology, 115 (2) 355-384 doi:10.5382/econgeo.4708 | Journal (article/letter/editorial) | | that is spatially associated with albite and actinolite alteration, but it is devoid of Pd (there are...and/or hydrous silicates (typically tremolite-actinolite and chlorite). BMS assemblages that are characterized...intergrowths have been identified: (1) aligned, euhedral actinolite blades within BMSs, but which are not associated...oriented, euhedral actinolite blades within BMSs (Fig. 7B), (3) aligned, euhedral actinolite blades protruding...into BMSs, where actinolite in the BMSs has the same orientation as the actinolite-pyroxene pseudomorph |  | Han, Chunming, Xiao, Wenjiao, Zhao, Guochun, Qu, Wenjun, Du, Andao (2007) Re–Os dating of the Kalatongke Cu–Ni 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) | | 6–57 23.64–1886.58 0.10889± 0.00035 4.8–24 intrusion hosts a concentration of massive Cu–Ni-bearing...Cu–Nibearing 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) | | with the magmas that crystallised as the host intrusion or lava flow. A lack of chalcophile element depletion...high-sulphidation deposits in the Late Miocene low volcanic/intrusion ratio or possibly low preservation of volcanic...Miocene deposits. A mineralised dioritic–tonalitic intrusion beneath the Yanacocha high-sulphidation system...208Pb/204Pb 38·4688) isotope composition from this intrusion is significantly less radiogenic than sulphides...biotite and muscovite and lesser tourmaline and actinolite, and rare sphene and monazite. Mineralisation |  | | Journal (article/letter/editorial) | | Munni Munni intrusion contains the largest resource of PGE associated with a layered intrusion in Australia...minerals to crystallize, except in the Andover intrusion, where orthopyroxene preceded clinopyroxene and...associations. The PGE mineralization in the Munni Munni intrusion occurs in the upper levels of a porphyritic plagioclase...The southwestern extension of the Munni Munni intrusion beneath the Hamersley basin is indicated by a...pyroxenite from the ultramafic zone of the Munni Munni intrusion that contained anomalous PGE concentrations. Soil |  | Holwell, D. A., Keays, R. R., Firth, E. A., Findlay, J. (2014) Geochemistry and Mineralogy of Platinum Group Element Mineralization in the River Valley Intrusion, Ontario, Canada: A Model for Early-Stage Sulfur Saturation and Multistage Emplacement and the Implications for "Contact-Type" Ni-Cu-PGE Sulfide Mineralization. Economic Geology, 109 (3) 689-712 doi:10.2113/econgeo.109.3.689 | Journal (article/letter/editorial) | | Group Element Mineralization in the River Valley Intrusion, Ontario, Canada: A Model for Early-Stage Sulfur...Ontario, Canada M5J 2N7 Abstract The River Valley intrusion within the ~2.48 Ga East Bull Lake intrusive suite...Ontario, Canada, is an example of a mafic igneous intrusion with “contact-type” Ni-Cu-PGE sulfide mineralization...are some intrusions, including the River Valley intrusion, which appear to have a much more complex history...earlier, prior to emplacement. The River Valley intrusion is made up of a basal ~100 m of unlayered, inclusion-bearing |  | Lowczak, Jessica N., Campbell, Ian H., Cocker, Helen, Park, Jung-Woo, Cooke, David R. (2018) Platinum-group element geochemistry of the Forest Reef Volcanics, southeastern Australia: Implications for porphyry Au-Cu mineralisation. Geochimica et Cosmochimica Acta, 220. 385-406 doi:10.1016/j.gca.2017.09.052 | Journal (article/letter/editorial) | | Platinum Group Element Geochemistry of the Forest Reef Volcanics, Southeastern Australia: Implications...Platinum Group Element Geochemistry of the Forest Reef Volcanics, Southeastern Australia: Implications... Platinum Group Element Geochemistry of the Forest Reef Volcanics, Southeastern Australia: Implications...in felsic to intermediate rocks from the Forest Reef Volcanics, Cadia-Neville region, southeastern Australia...Ni-S fire assayisotope dilution method. The Forest Reef Volcanics are shoshonitic to calc-alkaline in composition |  | Bath, A. B., Cooke, D. R., Friedman, R. M., Faure, K., Kamenetsky, V. S., Tosdal, R. M., Berry, R. F. (2014) Mineralization, U-Pb Geochronology, and Stable Isotope Geochemistry of the Lower Main Zone of the Lorraine Deposit, North-Central British Columbia: A Replacement-Style Alkalic Cu-Au Porphyry. Economic Geology, 109 (4) 979-1004 doi:10.2113/econgeo.109.4.979 | Journal (article/letter/editorial) | | diopside in contact with sulfides has corroded and actinolite-altered margins, suggesting alteration of primary...subsequently rotated. Although layering within the intrusion appears to be at a high angle to the contact (Fig...= ap, sp, mt ++ + + Abbreviations: ac = actinolite, ap = apatite, bi = biotite, cg = coarse grained...Chalcopyrite and bornite in contact with biotite, with actinolite, fluorite, and titanite alongside sulfides viewed...magnetite in contact with diopside. Needles of actinolite occur where diopside has been partly replaced |  | | Book | | the layered intrusions scene is the Panzhihua intrusion (SW China) that has been intensively studied recently...of Major Layered Intrusions 10 The Panzhihua Intrusion, SW China ����������������������������������������������������...���� R. Grant Cawthorn 517 13 Kiglapait Intrusion, Labrador ����������������������������������...589 14 The Ilímaussaq Alkaline Complex, South Greenland �������������������������� Michael A. W. Marks... D. Nielsen Geological Survey of Denmark and Greenland, Copenhagen, Denmark Brian O’Driscoll School of |  | | Journal (article/letter/editorial) | | leading to the formation of the El Abra porphyry intrusion and Cu deposit. Abundances of Pt and Pd in felsic...deposits. They are frequently associated with other intrusion-related hydrothermal mineralization systems such...amounts of amphibole (magnesio-hornblende and actinolite) and Ti-magnetite. Accessory minerals include...drill-core relationships were used to resolve the intrusion order. However, the order of emplacement of the...average from the total zircon population for each intrusion. Whole-rock major and trace element geochemistry |  | | Conference Proceedings (Volume) | | felsic dikes along the Grano fault in the Bathtub intrusion (Duluth Complex, Minnesota, USA) .. ............footwall of the Spruce Road deposit, South Kawishiwi intrusion, Duluth Complex, Minnesota, USA . . ............in cumulate rocks of the Ioko-Dovyren layered intrusion . . ............................................Bagdassarov, Max W. Schmidt & Guilio Solferino Reef disturbances of Critical Zone rocks of the eastern...emplacement and PGE-enrichment in the River Valley Intrusion, Ontario, Canada: implications for ‘contact-type’ |
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