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Lherzolite from
Lac de Gras, Northwest Territories, Canada


Classification
Type:Lherzolite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Lherzolite data
Locality Data:Click here to view Lac de Gras, Northwest Territories, Canada
Data Identifiers
Mindat Occurrence Record ID:1228043
Long-form Identifier:1:3:1228043:2
GUID (UUID V4):778d466a-3f63-4312-8295-7d4b7e39c8c4
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
705–727 1999 Layered Mantle Lithosphere in the Lac de Gras Area, Slave Craton: Composition, Structure and... KENNECOTT CANADA EXPLORATION INC., 200 GRANVILLE STREET, VANCOUVER, B.C. V6C 1S4, CANADA 4 KENNECOTT...KENNECOTT CANADA EXPLORATION INC., 1300 WALSH STREET, THUNDER BAY, ONT. P7E 4X4, CANADA RECEIVED APRIL 17...used to map the lithospheric mantle beneath the Lac de Gras area in the central part of the Slave Province...and 40% lherzolite, whereas the deeper layer contains 15–20% harzburgite and 80–85% lherzolite. T estimates
Journal (article/letter/editorial)
Geological Survey of Canada, Natural Resources Canada, 615 Booth Street, Ottawa, Ontario Canada K1A 0E9 Indicator...Indicator Minerals Inc., Vancouver, BC Canada a r t i c l e i n f o Article history: Received 5 September...anisotropy nearly doubles within the Lac de Gras kimberlite field in NW Canada when compared to surrounding parts...formed from b 1% partial melts of carbonated lherzolite. These metasomatised peridotite conduits probably...that represent b1% partial melts of carbonated lherzolite within subcontinental lithospheric mantle (Mitchell
Journal (article/letter/editorial)
kimberlites on the Ekati Diamond Mine property, N.W.T., Canada: major element compositions and $ implications...c Mineral Services Canada, 205-930 Harbourside Drive, North Vancouver, B.C., Canada d BHP Billiton Diamonds...Kelowna, B.C., Canada V1X 7Y5 e CF Minerals, 1677 Powick Road, Kelowna, B.C., Canada V1X 4L1 b Received...xenocrysts entrained within kimberlites in the Lac de Gras area. These xenoliths are derived from seven...present, namely garnet-bearing harzburgite and lherzolite with rare occurrences of chromite-facies peridotite
Journal (article/letter/editorial)
Abstract The Diavik Diamond Mine in the NWT of Canada has produced in excess of 100 million carats from...Introduction The Diavik Diamond Mine in the NWT of Canada (Fig. 1a, b) has produced in excess of 100 million...com 1 Terram Vero Consulting Inc., Vancouver, Canada 2 Rio Tinto Exploration, Melbourne, Australia...Australia 3 Diavik Diamond Mines Inc., Yellowknife, Canada Archaean plutonic rocks of the central Slave Province...approximately 40% of the dated volcanism in the Lac de Gras area (Sarkar et al. 2015). The average diamond
Journal (article/letter/editorial)
Lithosphere formation in the central Slave Craton (Canada): plume subcretion or lithosphere accretion? Sonja...of minerals in peridotite xenoliths from the Lac de Gras kimberlites provide constraints on the mode of...lithosphere formation beneath the central Slave Craton, Canada. Magnesia contents of reconstructed whole rocks...Sciences, University of Alberta, Edmonton, AB, Canada T6G 2E3 e-mail: saulbach@els.mq.edu.au W. L. Griffin...Lithosphere Services, 4009 Edinburgh Street, Burnaby, BC, Canada V5C 1R4 Keywords Mantle peridotite origins  Mantle
Journal (article/letter/editorial)
1131 GARNET XENOCRYSTS FROM THE DIAVIK MINE, NWT, CANADA: COMPOSITION, COLOR, AND PARAGENESIS Hayley McLEAN...2E3, Canada Sean WHITEFORD Diavik Diamond Mines Inc., 5007 50th Avenue, Yellowknife, Northwest Territories...Territories X1A 2P8, Canada Robert W. LUTH§ and Thomas STACHEL Department of Earth and Atmospheric Sciences...University of Alberta, Edmonton, Alberta T6G 2E3, Canada Abstract Recently sampled mantle-derived xenoliths...kimberlite pipe, at the Diavik diamond mine, Northwest Territories, Canada, are dominantly eclogitic in paragenesis
Journal (article/letter/editorial)
lithosphere sampled by Lac de Gras xenoliths in the central Slave craton, Canada McKensie L. Kilgore, Anne...lithosphere sampled by Lac de Gras xenoliths in the central Slave craton, Canada, Geochimica et Cosmochimica...lithosphere sampled by Lac de Gras xenoliths in the central Slave craton, Canada McKensie L. Kilgorea,...Sciences, University of Alberta, Edmonton, Alberta, Canada fTrace Element and Radiogenic Isotope Lab, University...orthopyroxene, clinopyroxene and garnet from Lac de Gras peridotite xenoliths contain 29 - 146, 109 –
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)
beneath the central Archean Slave Province, NWT, Canada Received: 22 January 1998 / Accepted: 27 August...granuloblastic-, and porphyroclastic- textured harzburgite, lherzolite, and pyroxenite xenoliths yield equilibration...Victoria, PO Box 3500, Victoria, B.C., V8W 3P6, Canada. e-mail: jasonmac@uvic.ca, dcanil@uvic.ca Editorial...xenoliths from other kimberlite provinces elsewhere in Canada (Kjarsgaard and Peterson 1992; Kopylova et al....is an Archean craton located in the Northwest Territories, Canada and contains the oldest rocks known
Journal (article/letter/editorial)
mantle lithosphere beneath the central Slave craton (Canada) Sonja Aulbach ⁎, William L. Griffin, Norman J....in mantle xenoliths from the diamondiferous Lac de Gras kimberlites, central Slave craton, constrain...Harris, 2009). The Slave craton in Canada's Northwest Territories (Fig. 1) represents a small, but tenacious...Ekati mine, both of which are located in the Lac de Gras area of the central Slave craton. Combined trace-element...in a mantle xenolith suite entrained in the Lac de Gras kimberlites 55 Ma ago (Creaser et al., 2004)
Journal (article/letter/editorial)
Australia c Kennecott Canada Exploration Inc., 200 Granville Street, Vancouver, BC, Canada V6C 1S4 d Great...80522, USA e Kennecott Canada Exploration Inc., Thunder Bay, Ontario, Canada P7B 2Y1 f United Institute...reflect extensive metasomatic modification. In E. Canada, the degree of modification increases toward the...State Line Anuri Doyle Lake Drybones Jericho Lac de Gras Snap Lake Tenacity W. Slave Batty Chicken Park...al. / Lithos 77 (2004) 873–922 Slave Craton Lac de Gras Upper 152 average S.D. median Lower 633 average
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)
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...2002 [47] Diavik A154N kimberlite, Slave craton, Canada cpx Ti-rich phl, ol, cc, Cr-spl, silicate glass...Bussweiler et al., 2016 [44] Lac de Gras kimberlites, Slave craton, Canada cpx, grt inclusions in cpx:...Abersteiner et al., 2019 [46] Lac de Gras & Jericho kimberlites, Slave craton, Canada; Udachnaya-East kimberlite
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
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)
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...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...from the Diavik Diamond Mine in the Slave Craton, Canada, established a link to carbonatitic melts not in
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...There is some similarity between Anuri and the Lac de Gras kimberlites, with variable types of VK forming...the Rockinghorse joint venture between Kennecott Canada Exploration (Kennecott) and Tahera (Tahera). The...the Slave (Bathurst and McDonald faults), and northwest-southeast compression and northeast-southwest
Journal (article/letter/editorial)
from the Panda kimberlite (Central Slave Craton, Canada) G.L. Melton a,⁎, T. Stachel a, R.A. Stern a, J... AB T6G 2E3, Canada BHP Billiton, #1102 4920-52nd St., Yellowknife, NT X1A 3T1, Canada School of Geographical...Panda kimberlite (Ekati mine, Central Slave Craton, Canada) were analyzed for nitrogen content, nitrogen aggregation...Mine Property, 25 km north of Lac de Gras, Northwest Territories, Canada. The kimberlite has an age of...fragments in the De Beers Laboratory for Diamond Research at the University of Alberta, Canada (see Supplementary
Journal (article/letter/editorial)
et al., 2009; Kopylova et al., 2007). To a certain de- * Corresponding author. E-mail addresses: natalia...Studies on natural kimberlites suggest a garnet lherzolite source (e.g., Becker and Le Roex, 2006; Price...South Africa Canada This study Uintjiesberg Average Group-I Lac de Gras low-Ti Lac de Gras high-Ti ...Average Group-I: Becker and Le Roex (2006); Lac de Gras low-Ti and high-Ti: Kjarsgaard et al. (2009);...1380–1505 ◦ C, partial melting of carbonated garnet lherzolite yielding H2 O-free kimberlitic melts at ≥1450
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
Journal (article/letter/editorial)
coupling revisited: The Archean Slave craton, NWT, Canada H. Helmstaedt Dept. of Geological Sciences and...Engineering, Queen's University, Kingston, Ontario, Canada a r t i c l e i n f o Article history: Received...abundance of ultra-depleted garnets, includes the Lac de Gras kimberlite field, under which the presence of...in the Neoarchean orogenic cycle, probably by northwest-directed subduction related to the Defeat arc...Bear magmatic zone, until it is terminated by a northwest-trending Cape Bathurst line. 1058 H. Helmstaedt
Journal (article/letter/editorial)
several Ekati Diamond Mine kimberlites, Northwest Territories, Canada Yana Fedortchouk a,⁎, Sergei Matveev...University, Canada Department of Earth and Atmospheric Sciences, University of Alberta, Canada BHPBilliton...BHPBilliton Diamonds Inc., Kelowna, BC, Canada a r t i c l e i n f o Article history: Received 16 July 2009...fluid phenocrystal olivine FTIR spectroscopy Lac de Gras kimberlites a b s t r a c t Surface dissolution...diamond resorption (Ekati Diamond Mine, Northwest Territories, Canada). The study showed a clear correlation
Journal (article/letter/editorial)
of the Mantle beneath the Slave Craton, Northern Canada M. G. KOPYLOVA1∗, J. K. RUSSELL1 AND H. COOKENBOO2...UNIVERSITY OF BRITISH COLUMBIA, VANCOUVER, B.C., CANADA, V6T 1Z4 2 CANAMERA GEOLOGICAL LTD, 399 MOUNTAIN...MOUNTAIN HIGHWAY, NORTH VANCOUVER, B.C., CANADA, V6B 2M9 RECEIVED NOVEMBER 21, 1997; REVISED TYPESCRIPT ACCEPTED...kimberlite occurrences from the Slave craton (Northwest Canada) made the lithosphere underlying this craton...incognita. The first kimberlite was found in the Lac de Gras area of the Slave craton in 1991, and the following
Journal (article/letter/editorial)
Australia c Kennecott Canada Exploration Inc., 1300 Walsh Street, Thunder Bay, Ontario, Canada P7E 4X4 d Kennecott...Kennecott Canada Exploration Inc., 354-200 Granville Street, Vancouver, British Columbia, Canada V6C 154...lithospheric mantle beneath the Slave Craton (Lac de Gras area, Canada) reveal multiple origins for carbonatitic...and trace-element concentrations of the host lherzolite minerals (clinopyroxene, orthopyroxene and garnet)...uncertainty. 3. Sample description 3.1. Host lherzolite phases Two xenoliths are discussed here. The
Journal (article/letter/editorial)
Australia c Kennecott Canada Exploration Inc., 1300 Walsh Street, Thunder Bay, ONT., Canada P7E 4X4 d Kennecott...Kennecott Canada Exploration Inc., 354-200 Granville Street, Vancouver, BC, Canada V6C 154 Abstract Major...olivine and pyroxenes from kimberlites in the Lac de Gras area, central Slave Craton. Reconstruction of...layer of the stratified lithosphere beneath Lac de Gras. Re – Os isotope data were collected for 24 mss...isochron age in the deep lithosphere beneath Lac de Gras exceed the age of the overlying crust of the
 
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