 | Bell, Robin-Marie, Kolb, Jochen, Waight, Tod Earle, Bagas, Leon, Thomsen, Tonny B. (2017) A Palaeoproterozoic multi-stage hydrothermal alteration system at Nalunaq gold deposit, South Greenland. Mineralium Deposita, 52 (3) 383-404 doi:10.1007/s00126-016-0667-7 | Journal (article/letter/editorial) | | hydrothermal alteration system at Nalunaq gold deposit, South Greenland Robin-Marie Bell 1,2 & Jochen Kolb...Springer-Verlag Berlin Heidelberg 2016 Abstract Nalunaq is an orogenic, high gold grade deposit situated...situated on the Nanortalik Peninsula, South Greenland. Mineralisation is hosted in shear zone-controlled quartz...site of Greenlandâs only operating metalliferous mine until its closure in 2014, having produced 10.67...a multistage hydrothermal alteration system at Nalunaq. A clinopyroxene-plagioclase-garnet(-sulphide) |  | | Journal (article/letter/editorial) | | mineralogy of goldbearing rocks from the Nalunaq gold deposit, Greenland T. A. Grammatikopoulos, L. Porritt...Porritt, J. S. Petersen and K. Christensen The Nalunaq deposit is a shear-zone hosted gold deposit, characterised...Nanortalik district in South Greenland. As a generic type, the Nalunaq gold mineralisation is a mesothermal...and quartz veins (329020 and Quartz-1), from the Nalunaq gold deposit were examined to describe the host...Mineralogy, gold-bearing rocks, Nalunaq, Greenland GEOLOGY The Nalunaq deposit (Fig. 1) is a Palaeoproterozoic |  | | Report (issue) | | Assessment of orogenic gold mineralisation in Greenland No. 26 - February 2015 GO-26_GO-26 19/02/15...mineralisation in Greenland An orogenic gold deposit has been mined at Nalunaq (South Greenland) from 2004 to...potential for undiscovered orogenic gold deposits in Greenland, a workshop in Copenhagen (November 2014) investigated...that areas of South Greenland in relative proximity to the closed Nalunaq gold mine and the Archaean terranes...terranes of southern West and SouthWest Greenland have the highest potential for finding new orogenic |  | | Report (issue) | | 1/4/10 1:28 PM Page 2 GEOLOGY AND ORE 16 / 2009 Greenland and its geological environments favourable for...mining Shield formation and cratonisation in Greenland, created by the formation of continental and oceanic...southern West Greenland. Ultramafic to mafic intrusions in greenstone belts occurred in Greenland as major...the Pitufiik area, Melville Bugt, North-West Greenland. The width of the banded iron formation varies...Exploration and development of mineral resources in Greenland, as a âgreenfieldâ region with rather high exploration |  | | Journal (article/letter/editorial) | | Metallogeny of South Greenland: A review of geological evolution, mineral occurrences...Jochen, Thrane, Kristine, Metallogeny of South Greenland: A review of geological evolution, mineral occurrences...pertain. ACCEPTED MANUSCRIPT Metallogeny of South Greenland: A review of geological evolution, mineral occurrences...Thrane IP The Geological Survey of Denmark and Greenland, Ăster Voldgade 10, DK-1350 Copenhagen K, Denmark...steenfelt@gmail.com; ast@geus.dk NU Abstract South Greenland has been the site of historic mining of cryolite |  | | Report (issue) | | 2/11/09 10:46 AM Page 1 Plutonic environments in Greenland a potential for new discoveries No. 14 - February...AND ORE 14 / 2009 Plutonic environments in Greenland â a potential for new discoveries The central...Qaqqaarsuk carbonatite complex, southern West Greenland. Mineral deposits of plutonic complexes are among...among the most promising exploration targets in Greenland. Examples are the Malmbjerg molybdenum deposit...However, many plutonic and hypabyssal provinces in Greenland are still significantly under-explored. In 2002 |  | | Journal (article/letter/editorial) | | on the geologic frameworks of Alaska, Canada, Greenland, Iceland, the seafloor north of Iceland, Norway...the giant late Paleozoic Red Dog zinc-polymetallic mine and associated deposits (currently the worldâs largest... Kolb et al. summarize the metallogenesis of Greenland. Despite remoteness, lack of infrastructure, and...ending in 1972. More recently, gold was mined at Nalunaq (2003â2013) and olivine at Seqi (2005â2010). After...however, there has been no mineral production in Greenland since 2014. The Isua Algoma-type iron deposit |  | | Journal (article/letter/editorial) | | hornblende, apatite, monazite, tourmaline, garnet, rutile and magnetite. From major and trace element studies...in the evaluation of a deposit and planning of a mine or quarry, completely separate from the exploration...and genesis of Nalunaq Palaeoproterozoic shear zone-hosted gold deposit, South Greenlandâ, Appl. Earth...surrounding the Main Vein of the Nalunaq gold deposit, South Greenland, Masterâs dissertation, University... UK. Roybn, T. 1993. âNalunaq Gold Project. Nanortalik Penninsula SW Greenlandâ, Internal Report, Nunaoil |  | 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, Ăster 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) | | geometallurgy is not new, but its modern holistic mine value chain application can be considered a critical...provide the practitioner with a means to optimise the mine schedule and metallurgical processes. The geometallurgical...modern trend towards efficient project evaluation, mine optimisation and risk management. With more complex...metallurgical process modelling and to add value to mine planning/optimisation. Geometallurgy should be an...equipment optimisation and control; and the better the mine and process scheduling and subsequent net present |  | | Journal (article/letter/editorial) | | and granular pyrite in association with quartz, rutile, chalcopyrite and rare arsenopyrite; (4) syntectonic...corroded and/or euhedral py5 with inclusions of rutile, gold tellurides, native gold, chalcopyrite, sphalerite...Mineralisation and alteration patterns at the Damang gold mine, Ghana: ore genesis and exploration applications...Ascott-under-Wychwood, OX7 6AB, UK Mineralisation at Damang mine is significantly different to most other known orogenic...G. 2004. Vein mineralization at the Damang Gold Mine, Ghana: controls on mineralization, J. Struct. Geol |  | Bortnikov, N. S., Lobanov, K. V., Volkov, A. V., Galyamov, A. L., Vikentâev, I. V., Tarasov, N. N., Distler, V. V., Lalomov, A. V., Aristov, V. V., Murashov, K. Yu., Chizhova, I. A., Chefranov, R. M. (2015) Strategic metal deposits of the Arctic Zone. Geology of Ore Deposits, 57 (6) 433-453 doi:10.1134/s1075701515060021 | Journal (article/letter/editorial) | | (Yukon, Northwestern Territory, Nunavut), and Greenland. The Scandinavian sector embraces the Faroe Islands...million 16000 14000 12000 10000 8000 6000 4000 Greenland Finland Sweden Norway Canada United States...kt WO3 345 t MoS2 Mactung, Canada Malmberg, Greenland 181.5 t Au Courageous, Canada Back River, Canada...complex of alkali granitic rocks in Paleogene East Greenland Province Tombstone oro genic belt. Eastern margin...the United States (Alaska), 23 to Canada, 8 to Greenland, 6 to Norway, 9 to Sweden, and 3 to Finland (Table |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...The Platinova Reef, Skaergaard Intrusion, East Greenland: an example of the formation of low volume, high...Various alteration stages in the Nalunaq gold deposit, south Greenland .................................processes in the orogenic gold deposit of the Pampalo mine, Hattu schist belt, eastern Finland . . ..........hosted Amphibolite Ridge gold occurrence in south Greenland ............................................. |  | | Journal (article/letter/editorial) | | Douay deposit in Northeastern QuĂ©bec or Rainy River mine in Western Ontario [6,7], have been made. The glacial...”m, with most <40 ”m [46], and in the Nalunaq deposit (Greenland), 80% of the documented gold grains were...of the Au-horizon of the Skaergaard Complex (Greenland, Denmark) range from 1.6 to 56.9 ”m, with an average...Y.; Kuzmin, D.V.; Litasov, K.D.; et al. Cr-rich rutile: A powerful tool for diamond exploration. Lithos...behavior of gold in soils and tills at the Nickel Plate Mine, southern British Columbia, Canada. J. Geochem. |  | | Journal (article/letter/editorial) | | of the flat-topped hills in the vicinity of the mine are believed to be remnants of sheets of travertine...sufficiently frequent that efforts were made to mine them in their own right. (Remember that much of...University of Edinburgh, Scotland A detailed analysis of mine plans and grade data, building on previous work...hydrothermal systems in concentrations that are economic to mine. Small, discrete grains of gold can be readily extracted...2002, 653â62. 4. Lowther J. M. et al. The Galmoy mine: some geological aspects of development from 1995 |  | Li, Huajian, Wang, Qingfei, Groves, David I., Deng, Jun, Dong, Chaoyi, Wang, Xuan, Yang, Lin (2019) Alteration of Eocene lamprophyres in the Zhenyuan orogenic gold deposit, Yunnan Province, China: Composition and evolution of ore fluids. Ore Geology Reviews, 107. 1068-1083 doi:10.1016/j.oregeorev.2019.03.032 | Journal (article/letter/editorial) | | and sericite (Fig. 5c, e and g). Micro-grained rutile is distributed along the cleavage of the hydrothermal...analyzed (Table 1). Alteration of phlogopite produces rutile (Fig. 5c), suggesting that Ti is relocated rather...hydrothermal alteration system at Nalunaq gold deposit, South Greenland. Miner. Deposita 52, 383-404. BGMRYP...that has replaced the phlogopite and micro-grained rutile along cleavage in phlogopite. (d) Replacement...magnetite, Phl = Phlogopite; Py = pyrite, Rt = rutile, Sb = stibnite, Ser = sericite. Fig. 6. Chemical |  | | Journal (article/letter/editorial) | | Metallogeny of the North Atlantic Craton in Greenland JOCHEN KOLB1,*, LEON BAGAS2 1 2 AND MARCO L...Economic Geology, Geological Survey of Denmark and Greenland, Ăster Voldgade 10, 1350 Copenhagen K, Denmark...Craton (NAC) extends along the coasts of southern Greenland. At its northern and southern margins, Archaean...over considerable strike length in South-West Greenland. The current metallogenic model of the NAC is...greenïŹelds exploration. K EY WORDS : Archaean, Greenland, mineral deposit, economic geology, exploration |  | Girard, RĂ©jean, Tremblay, Jonathan, NĂ©ron, Alexandre, LonguĂ©pĂ©e, Hugues, Makvandi, Sheida (2021) Automated Gold Grain Counting. Part 2: What a Gold Grain Size and Shape Can Tell!. Minerals, 11 (4) 379 doi:10.3390/min11040379 | Journal (article/letter/editorial) | | chemistry from usual grain of the same species (e.g., rutile [22] or magnetite [23â27]) by visual sorting is...liberate the gold, either in laboratory or in a mine concentrator. The material was the feed (unprocessed...shape after milling, either in laboratory test or in mine concentrators. For example, grain shape after milling...milling, either in laboratory test or in mine concentrators. For example, grains grainsrecovered recoveredfrom...gold grains recovered from milling circuit of a mine concentrator. Notice that Figure 14. Mosaic of gold |
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