 | | Journal (article/letter/editorial) | | Platinum-Mineralized Layer in Gabbros of The Kap Edvard Holm Complex: Field, Petrologic, and Geochemical Relations...Lower Layered Series a cumulates of the Kap Edvard Holm Complex contain a stratiform layer, 1 to 20 m thick...consist of the assemblage bornite + chalcopyrite + digenite. Deposition of the mineralized layer is associated...platinum in the gabbro cumulates of the Kap Edvard Holm Complex. In the following year, the prospect was...pervasively altered the gabbroic host rocks. The Kap Edvard Holm Complex is one of five early Tertiary mafic-ultramafic |  | 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) | | IN MAGNETITE-BEARING GABBRO, FREETOWN LAYERED COMPLEX, SIERRA LEONE: OCCURRENCES AND GENESIS John F.W...magnetite-bearing gabbroic rocks of the Freetown Layered Complex, Sierra Leone for the first time. The PGM occurrences...than the eluvial and alluvial PGM of the Freetown complex, which are predominantly Pt-Fe alloys, laurite...incorporated into earlier olivine. The presence of digenite, native copper, and nielsenite indicates a low...canadian mineralogist Introduction The Freetown complex of Sierra Leone is one of the platinum-group element-bearing |  | 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) | | the margin of the Skaergaard intrusion, East Greenland Jens C. Ø. Andersen 1 & Gavyn K. Rollinson 1 &...assemblages are different to the chalcopyrite-bornite-digenite assemblage found in the Skaergaard Layered Series...Skaergaard intrusion . Platinum-group elements . Greenland Introduction Editorial handling: M. Fiorentini...plug. Geological setting The Paleogene East Greenland Igneous Province is one of the world’s largest...al. 1998; Nielsen et al. 2015) and the Kap Edvard Holm complex (Bird et al. 1995; Arnason and Bird 2000) |  | 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) | | ma®c-ultrama®c layered intrusions such as the Bushveld Complex of South Africa and the StillEditorial handling:...883, Kenmore, Queensland 4069, Australia water Complex of Montana, where platinum-group minerals (PGM)...discovered in the Rum layered igneous complex (the Rum Central Complex) in the Inner Hebrides, Scotland,...occurrences are comparable in many ways. The Rum Central Complex is widely regarded as one of the classical localities...that the complex hosts abundant and diverse PGM (Butcher et al. 1999). The Rum Central Complex represents |  | Bird, Dennis K., Arnason, John G., Brandriss, Mark E., Nevle, Richard J., Radford, Geoff, Bernstein, Stefan, Gannicott, Robert A., Kelemen, Peter B. (1995) A gold-bearing horizon in the Kap Edvard Holm Complex, East Greenland. Economic Geology, 90 (5) 1288-1300 doi:10.2113/gsecongeo.90.5.1288 | Journal (article/letter/editorial) | | HORIZON COMMUNICATIONS IN THE KAP EDVARD HOLM COMPLEX, EAST GREENLAND DENNISK. BIRD*,JOHNG. ARNASON...precious tiary gabbrosof the Kap EdvardHolm Complexin East metals. Greenland. Gabbroscontainingup to 6...that extends over 6 km GeologicBackground The Kap EdvardHolm Complexconsists of ultramarie, in strikelengthin...strikelengthin the LowerLayeredSeriesof the Kap intrusions exposed overanareaexceeding EdvardHolmComplex...the 38 Brooks composite sequence ofstructurally complex layered goldgrainsobserved in a singledrillcorearespatially |  | | Journal (article/letter/editorial) | | evident from the Merensky Reef of the Bushveld Complex, South Africa, and the Main Sulphide Zone of the...at the mouth of the Kangerlussuaq Fjord, East Greenland (Fig. 1). The intrusion formed 55 Ma ago (Brooks...similar to high-Ti basalts exposed in the East Greenland flood basalt succession (Table 1). Although 5%...high, it is comparable to basalts in the East Greenland flood basalt province (Nielsen, 2004). 2.2. Sulphide...assemblage dominated by bornite, blue chalcocite (or digenite), minor chalcopyrite and associated with nontitaniferous |  | | Journal (article/letter/editorial) | | sulfides and Pt–Fe alloys in the Freetown Layered Complex, Sierra Leone John F. W. Bowles 1 & Saioa Suárez...saprolite from Horizon B of the Freetown Layered Complex contain platinum-group minerals (PGM). The PGM...weathering of the horizons. Geology The Freetown Complex in Sierra Leone is a layered intrusion formed of...al. 1977; Chalokwu et al. 1995). On land, the complex consists of a 7-km-thick sequence of gabbroic,...layered complexes (i.e., Skaergaard and Kap Edvard Holm in Greenland; Arnason and Bird 2000; Andersen 2006) |  | | Journal (article/letter/editorial) | | are included ininterstitial sulfides (bornitc, digenite, andsmaller amounts ofchalcopyrite). Thetextural...a continuousstrata-boundzone, which the East Greenland coast at about the same time as the Skaer- G...andersen@unileoben.ac.at of them (except perhaps the Kap Edvard Holm Complex; * Present address: Instituteof Geological...0361-0128/98/1981/488-2256.00 488 PLATINOVAREEFS,GREENLAND: STRATIGRAPHIC & PETROGRAPHIC RELATIONS 489 ...theTripleGroupand nesses of morethan6 km alongtheeastcoastof Greenland Brown,1968,andMcBirney,1989a).Theposition Gn = |  | | Journal (article/letter/editorial) | | the Platinova Reef, Skaergaard Intrusion, East Greenland* David A. Holwell1,† and Reid R. Keays2 1Department...hosted by the 55 Ma Skaergaard intrusion, East Greenland, is an example of a rarer type of PGE deposit...Bushveld Complex (e.g., Naldrett et al., 2011, and references therein), the Munni Munni Complex, Australia...reef deposits within the Skaergaard intrusion, Greenland (e.g., Andersen et al., 1998); the Stella intrusion...(Maier et al., 2003), and the Rincón del Tigre Complex, Bolivia (Prendergast, 2000). The mineralization |  | 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 |  | | Report (issue) | | and offset environments of the Sudbury Igneous Complex have made PGE the focus of new exploration in this...(Ontario), the Marathon deposit in the Coldwell Complex (Ontario), and the formerly producing Salt Chuck...gabbros, cover another aspect of the Coldwell Complex mineralization. The mineralization they describe...Bird River Belt. The PGE deposits in the Bushveld Complex (South Africa) are the subject of two papers. In...and Rh (in the ratio 11:8:1) from the Bushveld Complex for all future demands.” Barnes and Maier, on the |  | | Book | | 2.2. The Bushveld lgneous Complex, South Africa 8.2.3. Molopo Farms Complex, South Africa and Botswana...associated with continental flood basalts 8.3.1. Duluth Complex, Mid-continent Rift System, USA 8.3.2. Noril'sk-Talnakh...Insizwa Complex, Karoo lgneous Province 8.3.4. Skaergaard and Kap Edvard Holm, East Greenland 8.4 magmatic...layered intrusions of the world, with the Bushveld Complex being the undisputed sovereign, are perhaps some...selected layered intrusions, such as the Bushveld Complex and the Great Dyke, as weil as other types of mafic-ultramafic |  | | Book | | 369-390 18. Discovery of the J-M Reef, Stillwater Complex, Montana: the role of soil and silt platinum and...INTRODUCTION BUSHVELD COMPLEX UG2 Chromitite Merensky Reef STILLWATER COMPLEX GREAT DYKE MUNNI MUNNI...Murtolampi Sulfide–PGE Deposits, Koillismaa BUSHVELD COMPLEX Platreef, Northern Bushveld Platreef Stratigraphy...on the Platreef SHEBA’S RIDGE, EASTERN BUSHVELD COMPLEX EAST BULL LAKE INTRUSIVE SUITE Se/S RATIO CONCLUSIONS...‘Sharp-Walled’ Vein Systems: McCreedy West 700 Complex ‘Low-Sulfide’ Mineralization: The McCreedy West |  | | Book | | Jacqueline Vander Auwera 465 12 The Bushveld Complex, South Africa �������������������������������...Morse 589 14 The Ilímaussaq Alkaline Complex, South Greenland �������������������������� Michael... D. Nielsen Geological Survey of Denmark and Greenland, Copenhagen, Denmark Brian O’Driscoll School of...demonstrate how the thermal history of the Bushveld Complex is documented by mineral ages from samples of the...layered intrusions. Using the Archean Stillwater Complex (Montana, USA) as a test case, we then outline |  | | Report (volume) | | the geology of the North American continent, Greenland, the West Indies and adjacent islands, Hawaii...segregation and fusion in the migmatitic Skagit Gneiss complex, Washington State [abs.]: Geol. Soc. America Abs...[clarification of the problem of the age of the Nicoya Complex, Costa Rica (with Spanish and English abs.)2, in...California, and petrology of the Tom Martin ultramafic complex [abs.]: Dissert. Abs.Internat., Sec. B., Sci. and... David C. K-Ar ages for the Tertiary of East Greenland: Geol. Soc. Denmark Bull., Dansk Geol. Foren. |
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