| Armstrong, John P., Wilson, Mark, Barnett, Robert L., Nowicki, Tom, Kjarsgaard, Bruce A. (2004) Mineralogy of primary carbonate-bearing hypabyssal kimberlite, Lac de Gras, Slave Province, Northwest Territories, Canada. Lithos, 76 (1) 415-433 doi:10.1016/j.lithos.2004.03.025 | Journal (article/letter/editorial) | hypabyssal kimberlite, $ $$ Lac de Gras, Slave Province, Northwest Territories, Canada , John P. Armstrong a...Yellowknife, NT, Canada Department of Earth Sciences, Memorial University, St. John’s, NL A1B 3X5, Canada c R.L...Lambeth, ON, Canada d Mineral Services, Vancouver, BC, Canada e Geological Survey of Canada, Ottawa, ON...ON, Canada Received 21 June 2003; accepted 4 January 2004 Available online 28 May 2004 Abstract A suite...Cretaceous to Eocene hypabyssal kimberlites from the Lac de Gras field were studied in order to understand better | | | Journal (article/letter/editorial) | Canil Æ Jon A. Carlson Dissolution forms in Lac de Gras diamonds and their relationship to the temperature...phenocrysts in several kimberlites from Lac de Gras, Northwest Territories, Canada. The T and fO2 values calculated... The T and fO2 vary between kimberlites from northwest and southeastern clusters within 150C and 1 log...Victoria, Victoria, 3800 Finnerty Rd, BC V8W 3P6, Canada E-mail: yana@uvic.ca Tel.: +1-250-4724181 Fax:...Carlson BHP Billiton Diamonds Inc, Kelowna, BC, Canada higher in kimberlites with lower fO2, confirming | | | Journal (article/letter/editorial) | 1007/s00410-011-0714-4 ORIGINAL PAPER Iron in monticellite as an oxygen barometer for kimberlite magmas...December 2011 Ó Springer-Verlag 2011 Abstract Monticellite is a common magmatic mineral in the groundmass...magmas is calibrated based on the Fe content of monticellite, CaMgSiO4, in equilibrium with kimberlite liquids...only Fe2? entering the monticellite structure. Although the XFein-monticellite varies with temperature...ratio of mole fraction of Fe in liquid and Fe-in-monticellite (uncertainties at 2r). The application of this | | | Journal (article/letter/editorial) | perovskite from kimberlites of the Lac de Gras field (Northwest Territories, Canada) A. R. CHAKHMOURADIAN* AND...Ontario, Canada P7B 5E1 ABSTR ACT In hypabyssal and crater-facies kimberlites of the Lac de Gras kimberlite...mineral is associated with spinels, apatite, monticellite, phlogopite, baryte, Fe-Ni sulphides, ilmenite...perovskite. The compositional variation of the Lac de Gras perovskite can be adequately characterized in...kimberlite, Lac de Gras kimberlite eld, Canada. Introduction THE discovery of the Lac de Gras kimberlite | | Abersteiner, Adam, Kamenetsky, Vadim S., Goemann, Karsten, Kjarsgaard, Bruce A., Fedortchouk, Yana, Ehrig, Kathy, Kamenetsky, Maya (2020) Evolution of kimberlite magmas in the crust: A case study of groundmass and mineral-hosted inclusions in the Mark kimberlite (Lac de Gras, Canada). Lithos, 372. 105690pp. doi:10.1016/j.lithos.2020.105690 | Journal (article/letter/editorial) | mineral-hosted inclusions in the Mark kimberlite (Lac de Gras, Canada) Adam Abersteiner, Vadim S. Kamenetsky,...mineral-hosted inclusions in the Mark kimberlite (Lac de Gras, Canada), LITHOS (2020), https://doi.org/ 10.1016/j...mineral-hosted inclusions in the Mark kimberlite (Lac de Gras, Canada) Adam Abersteiner1,2*, Vadim S. Kamenetsky1...5 Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada 6 Department of Earth...Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada 7 Jo ur na 3 BHP Olympic Dam, Adelaide, SA | | Abersteiner, Adam, Kamenetsky, Vadim S., Graham Pearson, D., Kamenetsky, Maya, Goemann, Karsten, Ehrig, Kathy, Rodemann, Thomas (2018) Monticellite in group-I kimberlites: Implications for evolution of parental melts and post-emplacement CO2 degassing. Chemical Geology, 478. 76-88 doi:10.1016/j.chemgeo.2017.06.037 | Journal (article/letter/editorial) | Accepted Manuscript Monticellite in group-I kimberlites: Implications for evolution of parental melts...Karsten Goemann, Kathy Ehrig, Thomas Rodemann , Monticellite in group-I kimberlites: Implications for evolution...to the journal pertain. ACCEPTED MANUSCRIPT Monticellite in Group-I kimberlites: Implications for evolution...Sciences NU SC a MA Building, Edmonton, Alberta, Canada T6G 2E3 Central Science Laboratory, University...References: 83 ACCEPTED MANUSCRIPT Abstract Monticellite is a magmatic and/or deuteric mineral that is | | | Journal (article/letter/editorial) | hypabyssal and pyroclastic units in the Diavik mine, Canada Madeline Tovey, Andrea Giuliani, David Phillips...hypabyssal and pyroclastic units in the Diavik mine, Canada, LITHOS(2020), https://doi.org/10.1016/ j.lithos...hypabyssal and pyroclastic units in the Diavik mine, Canada Madeline Toveya*, Andrea Giuliania,b, David Phillipsa...Street, Vancouver, British Columbia V5K 1R1, Pr Canada. Jo u rn al *Corresponding author; email, toveym@student...South kimberlite pipes in the Diavik Mine (Lac de Gras, Canada). These localities host exceptionally fresh | | Lim, Emilie, Giuliani, Andrea, Phillips, David, Goemann, Karsten (2018) Origin of complex zoning in olivine from diverse, diamondiferous kimberlites and tectonic settings: Ekati (Canada), Alto Paranaiba (Brazil) and Kaalvallei (South Africa) Mineralogy and Petrology, 112. 539-554 doi:10.1007/s00710-018-0607-6 | Journal (article/letter/editorial) | diamondiferous kimberlites and tectonic settings: Ekati (Canada), Alto Paranaiba (Brazil) and Kaalvallei (South...tectonic settings, including the Slave craton, Canada (Ekati: Grizzly, Koala), the Brasilia mobile belt...localities: Grizzly and Koala (Ekati property), Lac de Gras, Canada; Limpeza-18 and Tres Ranchos-04, Alto Paranaiba...kimberlites are located in the Lac de Gras kimberlite field of the Slave craton, Canada. The studied samples derive...Ranchos-04 (407/409/004/6) were obtained from the De Beers collection. Samada and New Robinson are two | | Crawford, Barbara, Hetman, Casey, Nowicki, Tom, Baumgartner, Mike, Harrison, Sara (2009) The geology and emplacement history of the Pigeon kimberlite, EKATI Diamond Mine, Northwest Territories, Canada. Lithos, 112. 501-512 doi:10.1016/j.lithos.2009.06.032 | Journal (article/letter/editorial) | Pigeon kimberlite, EKATI Diamond Mine, Northwest Territories, Canada Barbara Crawford a,⁎, Casey Hetman b...4920-52nd Street, Yellowknife, NT, Canada, X1A 3T1 Mineral Services Canada Inc., 205-930 Harbourside Drive...Drive, North Vancouver, BC, Canada V7P 3S7 a r t i c l e i n f o Article history: Received 7 October 2008...kimberlite is located approximately 6 km to the northwest of the Koala cluster of the EKATI Diamond Mine... forming part of the Lac de Gras kimberlite field, Northwest Territories, Canada. The EKATI kimberlites | | | Journal (article/letter/editorial) | element compositions of olivine from Lac de Gras kimberlites, Canada Yannick Bussweiler b,⁎, Stephen F....University of Alberta, 126 ESB, Edmonton, AB T6G 2E3, Canada ARC Centre of Excellence for Core to Crust Fluid...Tertiary/Cretaceous Lac de Gras kimberlite field within the Slave craton of Canada. Olivine, constituting...University of Alberta, 126 ESB, Edmonton, AB T6G 2E3, Canada. Tel.: +1 587 335 9030 (cellphone), +1 780 492...located in the Lac de Gras kimberlite field within the Slave Province, Northwest Territories, Canada. Major and | | | Journal (article/letter/editorial) | in hypabyssal kimberlite, Lac de Gras field, Northwest Territories, Canada Mark R. Wilson a,⁎, Bruce...Newfoundland, Canada A1B 3X5 b 601 Booth St., Geological Survey of Canada, Ottawa, Ontario, Canada Received...to Paleogene hypabyssal intrusions from the Lac de Gras kimberlite field indicate that the carbonates...isotopes; Calcite; Dolomite; Primary carbonate; Lac de Gras; Slave Province ⁎ Corresponding author. E-mail...hypabyssal kimberlite from eight bodies from the Lac de Gras field. They recognized that these hypabyssal | | Abersteiner, Adam, Kamenetsky, Vadim S., Kamenetsky, Maya, Goemann, Karsten, Ehrig, Kathy, Rodemann, Thomas (2018) Significance of halogens (F, Cl) in kimberlite melts: Insights from mineralogy and melt inclusions in the Roger pipe (Ekati, Canada) Chemical Geology, 478. 148-163 doi:10.1016/j.chemgeo.2017.06.008 | Journal (article/letter/editorial) | mineralogy and melt inclusions in the Roger pipe (Ekati, Canada) Adam Abersteiner, Vadim S. Kamenetsky, Maya Kamenetsky...mineralogy and melt inclusions in the Roger pipe (Ekati, Canada), Chemical Geology (2017), doi: 10.1016/j.chemgeo...mineralogy and melt inclusions in the Roger pipe (Ekati, Canada) Adam Abersteinera*, Vadim S. Kamenetskya, Maya...archetypal) Roger SC kimberlite (Ekati cluster, Canada). The studied samples contain abundant anhedral-toeuhedral...which is set in a crystalline groundmass of monticellite, phlogopite, apatite, NU spinel (i.e. magnesian | | Nowicki, Tom, Crawford, Barbara, Dyck, Darren, Carlson, Jon, McElroy, Ross, Oshust, Peter, Helmstaedt, Herb (2004) The geology of kimberlite pipes of the Ekati property, Northwest Territories, Canada. Lithos, 76 (1) 1-27 doi:10.1016/j.lithos.2004.03.020 | Journal (article/letter/editorial) | kimberlite pipes of the Ekati property, Northwest Territories, Canada Tom Nowicki a,*, Barbara Crawford b...Mineral Services Canada Inc., 205-930 Harbourside Drive, North Vancouver, BC, Canada V7P3S7 b BHP Billiton...Kelowna, Canada c BHP Billiton Diamonds Inc., Yellowknife, Canada d Queens University, Kingston, Canada Received...characteristics of kimberlites on the Ekati property, NWT, Canada. To date 150 kimberlites have been discovered on...Keywords: Volcaniclastic; Diamond; Geochemistry; Lac de Gras; Emplacement; Eruption 1. Introduction The Ekati | | Abersteiner, Adam, Kamenetsky, Vadim S., Goemann, Karsten, Kjarsgaard, Bruce A., Rodemann, Thomas, Kamenetsky, Maya, Ehrig, Kathy (2020) A genetic story of olivine crystallisation in the Mark kimberlite (Canada) revealed by zoning and melt inclusions. Lithos, 358. 105405 doi:10.1016/j.lithos.2020.105405 | Journal (article/letter/editorial) | olivine crystallisation in the Mark kimberlite (Canada) revealed by zoning and melt inclusions Adam Abersteiner...Australia e Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada f BHP Olympic Dam, Adelaide...Keywords: Kimberlite Olivine Zoning Melt inclusion Lac de Gras or Slave Craton a b s t r a c t Elucidating...olivine crystals from the Mark kimberlite (Lac de Gras, Canada). Olivine typically consists of xenocrystic...with subordinate silicates (e.g., phlogopite, monticellite), Fe-Mg-Al-Ti-spinel, perovskite, phosphates | | Kjarsgaard, B.A., Pearson, D.G., Tappe, S., Nowell, G.M., Dowall, D.P. (2009) Geochemistry of hypabyssal kimberlites from Lac de Gras, Canada: Comparisons to a global database and applications to the parent magma problem. Lithos, 112. 236-248 doi:10.1016/j.lithos.2009.06.001 | Journal (article/letter/editorial) | Geochemistry of hypabyssal kimberlites from Lac de Gras, Canada: Comparisons to a global database and applications...a b c Geological Survey of Canada, 601 Booth Street, Ottawa, ON, Canada K1A 0E8 Earth Sciences, Durham...Sciences, University of Alberta, Edmonton, AB, Canada T6G 2E3 a r t i c l e i n f o Article history:...geochemical analyses of hypabyssal kimberlite from the Lac de Gras field. Screens using Yb versus Al2O3 and ln Si/Al...of peridotite contamination. We utilize the Lac de Gras data suite to calculate, by two different methods | | Harder, M., Scott Smith, B.H., Hetman, C.M., Pell, J. (2009) The evolution of geological models for the DO-27 kimberlite, NWT, Canada: Implications for evaluation. Lithos, 112. 61-72 doi:10.1016/j.lithos.2009.06.024 | Journal (article/letter/editorial) | geological models for the DO-27 kimberlite, NWT, Canada: Implications for evaluation M. Harder a,⁎, B.H...Mineral Services Canada Inc., 205-930 Harbourside Drive, North Vancouver, BC, Canada V7P 3S7 Scott-Smith...Vancouver, BC, Canada V7R 2M9 Peregrine Diamonds Ltd., 201-1250 Homer Street, Vancouver, BC, Canada V6B 1C6...Kimberlite Pyroclastic Economic Evaluation DO-27 Lac de Gras a b s t r a c t This contribution reviews the...kimberlite, located in the Lac de Gras kimberlite province, Northwest Territories, Canada. The DO-27 kimberlite | | Abersteiner, Adam, Kamenetsky, Vadim S., Goemann, Karsten, Golovin, Alexander V., Sharygin, Igor S., Pearson, D. Graham, Kamenetsky, Maya, Gornova, Marina A. (2019) Polymineralic inclusions in kimberlite-hosted megacrysts: Implications for kimberlite melt evolution. Lithos, 336. 310-325 doi:10.1016/j.lithos.2019.04.004 | Journal (article/letter/editorial) | Sciences Building, Edmonton, Alberta T6G 2E3, Canada g CE A.P. Vinogradov Institute of Geochemistry...the Diavik, RI Jericho, Leslie (Slave Craton, Canada) and Udachnaya-East (Siberian Craton, Russia) kimberlites...up to 1400 °C; Bussweiler et al., 2016, 2018; NU De Bruin, 2005; Gurney et al., 1979; Harte and Gurney...megacrysts from the Diavik, Jericho, Leslie kimberlites (Canada), and olivine and clinopyroxene megacrysts from...kimberlite units are both characterised by olivine, monticellite, phlogopite, perovskite, ilmenite, Mg-Ti-magnetite | | | Journal (article/letter/editorial) | within uncertainty to those of vein calcite in the De Beers kimberlite). This complexity emphasises the...Cullinan/Premier), Australia (Melita), Finland (Pipe 1) and Canada (Grizzly, Koala) (see Table S1 in supplementary...kimberlites (e.g., Wesselton, Pipe 1, Koala), dykes (e.g., De Beers, Jagersfontein) and carbonate-rich sills (i...phases, such as apatite, perovskite, spinel, monticellite or olivine micro-phenocrysts (Fig. 1a). Although...colours. Calcite laths Laths of calcite occur in the De Beers dyke (South Africa; Soltys et al., this volume) | | | Journal (article/letter/editorial) | phlogopite, carbonate, serpentine, locality in Canada) (Fig. 1C). In melt inclusions contrast to hypabyssal...of Geology Lakehead University Ontario, P7B 5E1, Canada E-mail: rmitchel@lakeheadu.ca PETROGRAPHY OF HYPABYSSAL...microphenocrysts of olivine, Mg–Cr–Ti-rich spinel, monticellite, mica (phlogopite–kinoshitalite solid solutions)...Hypabyssal kimberlite from Batty Bay (Somerset Island, Canada) that contains abundant olivine macrocrysts (oliv...pyroclastic kimberlite from Candle Lake (Saskatchewan, Canada) that contains dark lobate magmaclasts (M) and | | Giuliani, Andrea, Soltys, Ashton, Phillips, David, Kamenetsky, Vadim S., Maas, Roland, Goemann, Karsten, Woodhead, Jon D., Drysdale, Russell N., Griffin, William L. (2017) The final stages of kimberlite petrogenesis: Petrography, mineral chemistry, melt inclusions and Sr-C-O isotope geochemistry of the Bultfontein kimberlite (Kimberley, South Africa) Chemical Geology, 455. 342-356 doi:10.1016/j.chemgeo.2016.10.011 | Journal (article/letter/editorial) | Ryde, Department of Earth Sciences, VU Amsterdam, De Boelelaan 1085, 1081 HV CE 3 PT 2019 NSW, Australia...phlogopite, smaller grains of apatite, serpentinised monticellite, spinel, perovskite, phlogopite and ilmenite...alteration the groundmass SC RI included calcite, monticellite, apatite and minor dolomite, phlogopite, spinel...freshest examples, and commonly replaces olivine, monticellite, MA carbonates and other minerals (e.g., Skinner...the groundmass of a kimberlite dyke from Ontario, Canada (Watkinson and Chao, 1973; Cooper and SC RI Gittins | | Kamenetsky, Vadim S., Kamenetsky, Maya B., Weiss, Yakov, Navon, Oded, Nielsen, Troels F.D., Mernagh, Terrence P. (2009) How unique is the Udachnaya-East kimberlite? Comparison with kimberlites from the Slave Craton (Canada) and SW Greenland. Lithos, 112. 334-346 doi:10.1016/j.lithos.2009.03.032 | Journal (article/letter/editorial) | Comparison with kimberlites from the Slave Craton (Canada) and SW Greenland Vadim S. Kamenetsky a,⁎, Maya...serpentine in kimberlites from the Slave Craton, Canada (Gahcho Kué, Jericho, Aaron and Leslie pipes) and...djerfisherite, pyrochlore (Na, Ca)2Nb2O6(OH,F), monticellite, Cr-spinel and Fe-Ti oxides. High abundances...Kostrovitsky et al., 2007) and the Slave Craton, Canada (Jericho, Aaron and Leslie pipes; Fedortchouk and...Jericho, Aaron and Leslie pipes in the Slave Craton (Canada) and the Majuagaa dyke in southern West Greenland | | Kaminsky, Felix, Matzel, Jennifer, Jacobsen, Ben, Hutcheon, Ian, Wirth, Richard (2016) Isotopic fractionation of oxygen and carbon in decomposed lower-mantle inclusions in diamond. Mineralogy and Petrology, 110 (2) 379-385 doi:10.1007/s00710-015-0401-7 | Journal (article/letter/editorial) | assemblages, calcite + wollastonite and calcite + monticellite, which are encapsulated in two diamond grains...2446 Shadbolt Lane, West Vancouver, BC V7S 3J1, Canada 2 Lawrence Livermore National Laboratory, 7000...assemblages: calcite + wollastonite II and calcite + monticellite (Fig. 1). Calcite and wollastonite II were analyzed...diamond #8/103, foil #1734. b calcite (Cc) + monticellite + wollastonite (wo) + cuspidine (Cus) association...Ca=49.7, Si=50.1, and Fe=0.2. The calcite + monticellite assemblage was studied from diamond #8/104 (foil | | Tappe, Sebastian, Graham Pearson, D., Kjarsgaard, Bruce A., Nowell, Geoff, Dowall, David (2013) Mantle transition zone input to kimberlite magmatism near a subduction zone: Origin of anomalous Nd–Hf isotope systematics at Lac de Gras, Canada. Earth and Planetary Science Letters, 371. 235-251 doi:10.1016/j.epsl.2013.03.039 | Journal (article/letter/editorial) | of anomalous Nd–Hf isotope systematics at Lac de Gras, Canada Sebastian Tappe a,b,n, D. Graham Pearson...Alberta, Canada T6G 2E3 Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario, Canada K1A 0E8...Late Cretaceous–Eocene kimberlites from the Lac de Gras area, central Slave craton, show the most extreme...amount of contaminant required to explain the Lac de Gras data is unrealistic. Instead, it is more plausible...the convecting upper mantle source region of Lac de Gras kimberlites was due to vigorous mantle return | | | Journal (article/letter/editorial) | kimberlite localities from SC southern Africa, Canada, Greenland and Russia. These data show that the...g., Kimberley) and, potentially field (e.g., Lac de Gras), form a single compositional trend. This suggests...compositions of olivine rims in kimberlites from SC Lac de Gras that were emplaced as hypabyssal root-zones,...kimberlitic olivine 3.1. Data filtering PT E 3.3. Canada D 3.2. Southern Africa 3.4. West Greenland ...(calcite ± D dolomite), serpentine, olivine, monticellite, spinel, perovskite, Mg-ilmenite, apatite and | | | Journal (article/letter/editorial) | University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada EKATERINA P. REGUIR and ROGER H. MITCHELL Department...Lakehead University, Thunder Bay, Ontario P7B 5E1, Canada ABSTRACT The paragenesis and compositional variation...91–3.01Si0– 0.06)O12(F,OH). At Lac de Gras, Northwest Territories, Canada, strontium-apatite and Sr-rich...from the center of spherulites outward. The Lac de Gras apatite is inferred to contain carbon substituting...rocks, kimberlites, Lovozero, Murun, Lac de Gras, Russia, Canada. SOMMAIRE Nous caractérisons la paragenèse |
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