 | | Journal (article/letter/editorial) | | kimberlite volcanic activity in the Lac de Gras kimberlite field, Canada and some recommendations for kimberlite...kimberlite volcanic activity in the Lac de Gras kimberlite field, Canada and some recommendations for kimberlite...VOLCANIC PT ACTIVITY IN THE LAC DE GRAS KIMBERLITE FIELD, RI CANADA AND SOME RECOMMENDATIONS FOR ...of Alberta, Edmonton, T6G MA 1 * TE D 2E3, CANADA Corresponding author (chiranjeeb.sarkar@ualberta...a key role in diamond exploration within the Lac de Gras kimberlite field. Nonetheless, emplacement age |  | 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 |  | Creaser, Robert A., Grütter, Herman, Carlson, Jon, Crawford, Barbara (2004) Macrocrystal phlogopite Rb–Sr dates for the Ekati property kimberlites, Slave Province, Canada: evidence for multiple intrusive episodes in the Paleocene and Eocene. Lithos, 76 (1) 399-414 doi:10.1016/j.lithos.2004.03.039 | Journal (article/letter/editorial) | | Macrocrystal phlogopite Rb–Sr dates for the Ekati property kimberlites, Slave Province, Canada: evidence...Alberta, 126 ESB, Edmonton, AB, Canada T6G 2E3 b Mineral Services Canada, 205-930 Harbourside Drive, North...Vancouver BC, Canada V7P 3S7 c BHP Billiton Diamonds Inc., #8-2604 Enterprise Way Kelowna BC, Canada V1X 7Y5...macrocrystal phlogopite are presented for 27 kimberlites from the Ekati property of the Lac de Gras region...region, Slave Province, Canada. These new data show that kimberlite magmatism at Ekati ranges in age from at |  | | Journal (article/letter/editorial) | | Edmonton, Alberta, Canada T6G 2E3 b Geological Survey of Canada, Ottawa, Ontario, Canada K1A OE8 Abstract...kimberlite province (Alberta, Nunavut, Northwest Territories, Colorado/Wyoming). Ten new U – Pb perovskite/mantle...perovskite/mantle zircon and Rb – Sr phlogopite age determinations are reported here for kimberlites from...Kennady Lake, Canada) to the Tertiary (Mwadui, Tanzania; Ekati and Diavik in Lac de Gras, Canada). There are...macro- and megacrysts of olivine, clinopyroxene, phlogopite, garnet, and ilmenite encapsulated in a finer-grained |  | | Journal (article/letter/editorial) | | Edmonton, Alberta, Canada T6G 2E3 b Geological Survey of Canada, Ottawa, Canada K1A 0E8 Received 21...region of Ontario to Eocene kimberlites in the Lac de Gras field, N.W.T. Based on a compilation of more...more than 4000 km from Somerset Island in northern Canada through the Fort à la Corne field in Saskatchewan...for kimberlites and related rocks, especially in Canada. The number of new kimberlite discoveries continues...(Saskatchewan), Kirkland Lake (Ontario/Québec), Lac de Gras (N.W.T.), Somerset Island (Nunavut), State Line |  | 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) | | 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 |  | | 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...associated with spinels, apatite, monticellite, phlogopite, baryte, Fe-Ni sulphides, ilmenite, diopside...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 |  | | 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) | | 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 |  | 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 |  | 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...lower Mg/Fe rims are correlated with increased phlogopite and Fe-bearing oxide mineral abundances. There...by carbonates (e.g., Armstrong et al. 2004) to phlogopite-rich examples (e.g., Downes et al. 2006; Taylor...localities: Grizzly and Koala (Ekati property), Lac de Gras, Canada; Limpeza-18 and Tres Ranchos-04, Alto Paranaiba |  | 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 |  | Bussweiler, Y., Stone, R. S., Pearson, D. G., Luth, R. W., Stachel, T., Kjarsgaard, B. A., Menzies, A. (2016) The evolution of calcite-bearing kimberlites by melt-rock reaction: evidence from polymineralic inclusions within clinopyroxene and garnet megacrysts from Lac de Gras kimberlites, Canada. Contributions to Mineralogy and Petrology, 171 (7) doi:10.1007/s00410-016-1275-3 | Journal (article/letter/editorial) | | clinopyroxene and garnet megacrysts from Lac de Gras kimberlites, Canada Y. Bussweiler1 · R. S. Stone1 · D....xenocrysts within kimberlites from Lac de Gras (Northwest Territories, Canada) contain fully crystallized melt...Cr-diopsides, polymineralic inclusions contain phlogopite, olivine, chromite, serpentine, and calcite....T6G 2E3, Canada 2 Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada 3 Department...within kimberlite-hosted xenocrysts from the Lac de Gras kimberlite field (including the Diavik and Ekati |  | Masun, K.M., Doyle, B.J., Ball, S., Walker, S. (2004) The geology and mineralogy of the Anuri kimberlite, Nunavut, Canada. Lithos, 76 (1) 75-97 doi:10.1016/j.lithos.2004.03.022 | Journal (article/letter/editorial) | | kimberlite, Nunavut, Canada K.M. Masun *, B.J. Doyle, S. Ball, S. Walker Kennecott Canada Exploration Inc...Suite 354, 200 Granville Street, Vancouver, BC, Canada V6C 1S4 Received 25 June 2003; accepted 6 January...groundmass spinel, phlogopite, apatite and perovskite in a serpentine – calcite – phlogopite matrix. The Ba...enrichment of phlogopite, the compositional trends of both primary spinel and phlogopite, as well as the...There is some similarity between Anuri and the Lac de Gras kimberlites, with variable types of VK forming |  | | Journal (article/letter/editorial) | | attributes of kimberlite magmatism at Ekati, Northwest Territories, Canada Grant Lockhart a,*, Herman Grütter...Kelowna, B.C., Canada V1X 7Y5 b Mineral Services Canada Inc., Vancouver, B.C., Canada Received 27 June...lithos.2004.03.029 The Lac de Gras kimberlite province occurs in a northwest trending zone, with dimensions...the central portion of the Archean Slave craton, Canada (Fig. 1). More than 270 confirmed kimberlites have...greater Lac de Gras kimberlite field within the central Slave craton, Northwest Territories and Nunavut |  | | 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...kimberlite, associated with suolunite and barian phlogopite. In addition to Sr, the apatite is enriched in...from the center of spherulites outward. The Lac de Gras apatite is inferred to contain carbon substituting |  | | 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...carbonate are often found near large olivine or phlogopite macrocrysts. Groundmass carbonate typically represents...colours. Calcite laths Laths of calcite occur in the De Beers dyke (South Africa; Soltys et al., this volume) |  | | Journal (article/letter/editorial) | | dolomite) and hydrous silicate minerals (e.g., phlogopite, serpentine, chlorite) within polymineralic inclusions...are clinopyroxene, garnet, olivine, ilmenite, phlogopite, contained within megacrysts from kimberlites...are clinopyroxene, garnet, olivine, ilmenite, phlogopite, rich suite [29–31]. The origin of megacrysts...constitute constitute fragments diamond Slave craton, Canada (modified after Bussweiler et al. [44];ettheir...Polymineralic diamondmine, mine, Slave craton, Canada (modified after Bussweiler al. Figure [44]; their |  | 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...comprising of olivine, orthopyroxene, clinopyroxene, phlogopite, garnet, ilmenite and zircon as common phases...the Diavik, RI Jericho, Leslie (Slave Craton, Canada) and Udachnaya-East (Siberian Craton, Russia) kimberlites...consist of olivine, calcite, spinel, perovskite, phlogopite and apatite (± serpentine, alkali-carbonates...clinopyroxene, orthopyroxene, olivine, ilmenite, phlogopite and zircon (Gurney et al., 1979; Harte and Gurney |  | 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., 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) | | Sciences NU SC a MA Building, Edmonton, Alberta, Canada T6G 2E3 Central Science Laboratory, University...minimally altered hypabyssal monticelliterich Leslie (Canada) and Pipe 1 (Finland) kimberlites. In these kimberlites...phosphates, spinel, silicates (e.g. olivine, phlogopite) and sulphides. These melt inclusions probably...amounts of accessory components that include phlogopite, perovskite, spinel, monticellite, apatite and...monticellite-hosted inclusions from the Leslie (Slave Craton, Canada) and Pipe 1 (Karelian Craton, Finland) kimberlites |  | | 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 ... perovskite, Mg-ilmenite, apatite and PT E phlogopite. High Mg contents and inclusions of various |  | | Report (chapter) | | for diamond exploration in glaciated terrain in Canada M. B. McClenaghan and B. A. Kjarsgaard Geological...in Canada M. B. M c C L E N A G H A N & B. A. K J A R S G A A R D Geological Survey o f Canada, 601...601 Booth Street, Ottawa, Ontario K 1 A OE8, Canada (e-mail: bmcclena@nrcan.gc.ca) Abstract: This paper...exploration techniques used in the glaciated terrain of Canada, focusing on indicator mineral methods and till...sediments and vegetation. Diamond exploration in Canada focuses on kimberlite, the primary host rock for |  | 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...present in kimberlite rocks in the structure of phlogopite and apatite, but their original concentrations...archetypal) Roger SC kimberlite (Ekati cluster, Canada). The studied samples contain abundant anhedral-toeuhedral |
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