 | | Journal (article/letter/editorial) | | Primitive Magma From the Jericho Pipe, N.W.T., Canada: Constraints on Primary Kimberlite Melt Chemistry S. E...UNIVERSITY OF BRITISH COLUMBIA, VANCOUVER, B.C., CANADA, V6T 1Z4 RECEIVED APRIL 23, 1999; REVISED TYPESCRIPT...primary kimberlite melt composition from the Slave craton, based on samples of aphanitic kimberlite from...from the Jericho kimberlite pipe, N.W.T., Canada. Three samples derive from the margins of dykes where kimberlite...CO2 (10–17 wt %). Relative to bulk macrocrystal kimberlite, they have lower mg-numbers and lower MgO but |  | | Journal (article/letter/editorial) | | Peridotite and Pyroxenite Xenoliths from the Jericho Kimberlite: Implications for the Thermal State of the...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...following types of mantle xenoliths from the Jericho kimberlite in the Slave craton: (1) coarse peridotite; |  | 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) | | Udachnaya-East kimberlite? Comparison with kimberlites from the Slave Craton (Canada) and SW Greenland...2009 Available online 31 March 2009 Keywords: Kimberlite Olivine Melt inclusions Alkali carbonates Chlorine...Contrary to existing dogma that the Udachnaya-East kimberlite was either contaminated by the crustal sediments...idea of alkali- and chlorine enrichment of the kimberlite parental melt by studying olivine-hosted melt...in kimberlites from the Slave Craton, Canada (Gahcho Kué, Jericho, Aaron and Leslie pipes) and southern |  | | Journal (article/letter/editorial) | | Sciences, University of Alberta, Edmonton, Alberta, Canada T6G 2E3 b Division of Earth Sciences, University...Abstract A comparison of the diamond productions from Panda (Ekati Mine) and Snap Lake with those from southern...transport to the Earth’s surface, for the Kaapvaal diamond population. Comparing peridotitic inclusions in...central and southern Slave (Panda, DO27 and Snap Lake kimberlites) and the Kaapvaal indicates that the...corresponding to 40 – 42 mW/m2 surface heat flow), but the diamond source regions subsequently cooled by about 100 |  | | Journal (issue) | | FEATURE ARTICLE______________ 208 Diamonds in Canada B. A. Kjarsgaard and A. A. Levinson This article...article chronicles the history of Canadian diamond exploration, with particular attention given to key discoveries...as well as Canada’s growing impact on the world diamond market. pg. 206 NOTES AND NEW TECHNIQUES __________... natural inclusions in fancy-color diamonds • Diamond with “compact disc” inclusion • Hemimorphite •...Gem News International • Australia’s Ellendale diamond mine opens • Aquamarine and spessartine from Tanzania |  | 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) | | Anuri kimberlite, Nunavut, Canada K.M. Masun *, B.J. Doyle, S. Ball, S. Walker Kennecott Canada Exploration...Suite 354, 200 Granville Street, Vancouver, BC, Canada V6C 1S4 Received 25 June 2003; accepted 6 January...online 18 May 2004 Abstract The 613 F 6 Ma Anuri kimberlite is a pipelike body comprising two lobes with...– 5 ha. The pipe is infilled with two contrasting rock types: volcaniclastic kimberlite (VK) and, less...less common, hypabyssal kimberlite (HK). The HK is an archetypal kimberlite composed of macrocrysts of |  | | Journal (article/letter/editorial) | | elsevier.com/locate/lithos Area selection for diamond exploration using deep-probing electromagnetic...Craven Geological Survey of Canada, 615 Booth Street, Ottawa, ON, Canada K1A 0E9 Received 25 June 2003;...Previously proposed methods of area selection for diamond-prospective regions have predominantly relied on...Superior craton; Rae craton 1. Introduction As diamond exploration activities proceed into frontier areas...Previously proposed methods of area selection for diamond-prospective regions have predominantly relied on |  | Bogatikov, O. A., Kononova, V. A., Nosova, A. A., Kargin, A. V. (2009) Polygenetic sources of kimberlites, magma composition, and diamond potential exemplified by the East European and Siberian cratons. Petrology, 17 (6) 606-625 doi:10.1134/s0869591109060071 | Journal (article/letter/editorial) | | Sources of Kimberlites, Magma Composition, and Diamond Potential Exemplified by the East European and...YDP), and aphanitic kimberlites from the Jericho pipe (Canada) were compared for the elucidation of some...identical rock associations with some variations in kimberlite composition between particular fields and regions...kimberlites, including those from the Botuobiya pipe, fall within the lower part of the field of group...compositions of the aphanitic kimberlites of the Jericho pipe (supposedly approaching the composition of primary |  | | Book | | © 2011 Royal Ontario Museum, Toronto, Ontario, Canada. All rights reserved. No part of this publication...Cataloging-in-Publication Data (U.S.) Library and Archives Canada Cataloguing in Publication Tait, Kimberly. Tait...States by Firefly Books (U.S.) Inc. Published in Canada by Firefly Books Ltd. PO. Box 1338, Ellicott Station...at the Royal Ontario Museum, Toronto, Ontario, Canada. Photography: Brian Boyle, MPA, FPPO, and Miguel...publishing program by the Government of Canada through the Canada Book Fund as administered by the Department |  | Griffin, W.L., O'Reilly, Suzanne Y., Doyle, B.J., Pearson, N.J., Coopersmith, H., Kivi, K., Malkovets, V., Pokhilenko, N. (2004) Lithosphere mapping beneath the North American plate☆. Lithos, 77 (1) 873-922 doi:10.1016/j.lithos.2004.03.034 | Journal (article/letter/editorial) | | Australia c Kennecott Canada Exploration Inc., 200 Granville Street, Vancouver, BC, Canada V6C 1S4 d Great...Great Western Diamond Co., PO Box 1916, Fort Collins, CO 80522, USA e Kennecott Canada Exploration Inc., Thunder...Thunder Bay, Ontario, Canada P7B 2Y1 f United Institute for Geophysics and Mineralogy, Russian Academy...reflect extensive metasomatic modification. In E. Canada, the degree of modification increases toward the...less refractory. The SCLM beneath the Kansas kimberlite field is highly melt-metasomatised, reflecting |  | | Journal (article/letter/editorial) | | ca. 610 to 45 Ma kimberlites indicate that the region underwent a more dynamic history of burial and...between the Slave craton and Wopmay orogen, the region behaved as a single, broadly coherent cratonic...America and processes associated with episodic kimberlite emplacement. © 2009 Elsevier B.V. All rights...depositional and erosional histories across a cratonic region. The Archean Slave craton and adjacent Paleoproterozoic...(Fig. 1). The Canadian shield is a vast cratonic region consisting of a collage of Archean cratons that |  | | Journal (article/letter/editorial) | | clinopyroxene (cpx) inclusions in diamonds from a kimberlite pipe in northeastern China. The observed high mg#...the source of carbon for the crystallization of diamond. Considering the large variations in mineral chemistry...from the “No. 50” kimberlite pipe near Dalian, Liaoning Province, China. The pipe intruded into the Sino-Korean...of the typical Type I kimberlite. The geological settings of this kimberlite pipe and the general features...that the mineral inclusions in diamonds from this pipe are almost exclusively the peridotitic suite, with |  | | Journal (article/letter/editorial) | | (N) and southeastern (SE) Slave craton (northern Canada). The profile transects three depth facies of peridotites...British Columbia, 6339 Stores Road, Vancouver, Canada Introduction Efforts over the past 20 years have...from the drill core of the Jericho and the 5034 (Gahcho Kue cluster) kimberlite pipes. The kimberlites are...Slave Craton (northern Canada, Fig. 1 in Kopylova and Caro 2004). The Jericho pipe was dated as Middle Jurassic...by Rb–Sr and U–Pb geochronology) and the 5034 kimberlite as Middle Cambrian (539±2 Ma by the Rb–Sr method |  | Huang, Jin-Xiang, Griffin, William L., Gréau, Yoann, Pearson, Norman J., O'Reilly, Suzanne Y., Cliff, John, Martin, Laure (2014) Unmasking xenolithic eclogites: Progressive metasomatism of a key Roberts Victor sample. Chemical Geology, 364. 56-65 doi:10.1016/j.chemgeo.2013.11.025 | Journal (article/letter/editorial) | | Most eclogite xenoliths from the Roberts Victor kimberlite (South Africa) have been metasomatized by melts/fluids...and because they are important host rocks for diamond (Luth, 1993; Liu et al., 2009). Extensive studies...extensive suite of eclogites from the Roberts Victor kimberlite, South Africa, and found that both stealth and...xenoliths, was brought up to the surface by the kimberlite magma erupted at 128 ± 15 Ma (Smith et al., 1985)...mantle beneath Roberts Victor The Roberts Victor kimberlite has become an unofficial “type locality” for xenolithic |  | | Journal (article/letter/editorial) | | Geophysics, The University of Calgary, Calgary, AB, Canada T2N 1N4 Research Institute for Geochemical Dynamics...University of British Columbia, Vancouver, BC, Canada V6T 1Z4 Received 30 March 2003; received in revised...mantle eclogite xenoliths occur with diamond-bearing kimberlite. The modes and mineral compositions of...changes little along the geotherm. Within the diamond stability field of cratonic mantle, eclogite has...silica-undersaturated assemblage containing olivine. Within the diamond stability field for the Slave geotherm, kyanite |  | | Journal (article/letter/editorial) | | the Southern Superior province: evidence from diamond inclusions in the Wawa metaconglomerate Christine...Columbia, 6339 Stores Rd, Vancouver, BC V6T 1Z4, Canada e-mail: cmiller@eos.ubc.ca J. Ryder Dianor Resources...649 3rd Avenue, 2nd Floor, Val-d’Or, QC J9P 1S7, Canada 150 km by the Jurassic, when the mantle was heated...asthenospheric fluids. Keywords Diamond inclusion Neoarchean kimberlite Southern Superior Tectonic...thick, cold, depleted roots protruding into the diamond stability field of the mantle and providing ideal |  | | Journal (article/letter/editorial) | | extremely Cr-rich garnets are commonly found in diamond inclusions (e.g. Stachel and Harris, 1997; Stachel...concluded that no Cr-rich spinel, commonly found in diamond inclusions and in mantle xenoliths has originated...xenoliths in kimberlites and frequently reported as diamond inclusions, cannot have originated from depths...the lithospheric mantle beneath the Siberian kimberlite province. Tectonophysics 310, 1 – 35. Hales,...peridotite and pyroxenite xenoliths from the Jericho kimberlite: implications for the thermal state of the |  | | Book | | org/details/seventhinternati07inte SEVENTH INTERNATIONAL KIMBERLITE CONFERENCE Cape Town, April 1998 EXTENDED ABSTRACTS...Organising Committee of the 7th International Kimberlite Conference takes no responsibility for authors’...omissions. SOUTH AFRICA SEVENTH INTERNATIONAL KIMBERLITE CONFERENCE SPONSORS The 7IKC Organising Committee...recently discovered kimberlites of the Siberian kimberlite province. 9 K - rich clinopyroxenes as mantle... 20 Three-Stage Growth Model of the Natural Diamond of Octahedral Habit. 23 Petrography and mineralogy |  | | Journal (article/letter/editorial) | | Kaapvaal craton, South Africa, and Slave Province, Canada, indicates that cooling rates at the base of Archean...On-craton, all 0.093 On-craton, kimberlite hosted 0.104 On-craton, non-kimberlite hosted 0.028 [33] [33] [33]...[33] Values for xenolith samples from the Jericho kimberlite, Slave Province Low T xenoliths 0.15–0.27...linked to the deep perturbations that generated kimberlite eruptions [16]. Part of this enrichment, however...condition applies at the base of the purely conductive region in the upper part of the thermal boundary layer |  | | Journal (article/letter/editorial) | | 2005). Bohai Bay Basin is located in the eastern region of the NCC (Figure 5(a)). Tectonic evolution of...Peridotite xenoliths from the Eocene Homestead kimberlite pipe (~50 Ma) show a much hotter Eocene geotherm...thermobarometry studies of the Eocene Homestead kimberlite and Williams peridotite xenoliths indicate that...xenoliths from late Palaeozoic kimberlite fields (360–344 Ma) and Mesozoic kimberlite fields (245–135 Ma), heat-flow...flow increased to ~40–45 mW/m2 associated with kimberlite magmatism. Then it decreased to ~41 mW/m2. Heat |  | | Journal (article/letter/editorial) | | de Paris, France Geotop-UQAM-McGill, Montréal, Canada A R T I C L E I N F O Article history: Received...volcaniclastic rocks of the Wawa region of the Superior Province, Canada (Poujol et al., 2003; Stachel et...eruptions, all the more as the very process of diamond delivery to the surface involved some form of lithospheric...the lithosphere and will be restricted to a lower region where viscosity variations do not exceed about...worldwide Province Canada Slave Superior Trans Hudson Orogen Lynn Lake Belt Flin-Flon Snow Lake Belt Grenville |  | | Journal (article/letter/editorial) | | Geoscience, University of Calgary, Calgary, Alberta, Canada T2N 1N4 a r t i c l e i n f o Article history:...part of the Slave craton and beneath the Kimberley region of the Kaapvaal craton based on known petrologically-observed...the Lac de Gras region of Slave craton (northern Canada) and below the Kimberley region of the Kaapvaal...depletion of this layer. In contrast, the Kimberley region of the Kaapvaal craton exhibits far more uniform...that appears to be limited to above the graphite–diamond stability field (Jones et al., 2003). Kopylova et |  | | Journal (article/letter/editorial) | | and Geophysics, University of Calgary, Calgary, Canada AB T2N 1N4 b Department of Geology, Dickinson College...Sciences, University of British Columbia, Vancouver, Canada BC V6T 1Z4 Received 4 January 2007; accepted 31...Nisling (Ns), Nisling (Ns), Cassiar terrane (Ca), Lake George assemblage, and Seventymile-Slide Mountain...Devonian and Mississippian augen gneisses of the Lake George assemblage; no granulites have been detected...2). DuselBacon et al., (2002, 2006) interpret the Lake George assemblage as a parautochothonous continental |  | | Report (volume) | | large-scale fluid fluxes, tectonic implications of diamond inclusions, geosynthesis of organic molecules and...........309 Carbonate melt crystallization of diamond..................................................V. Sobolev, Michael J. Walter Introduction to diamond characteristics............................................................................368 diamond formation........................................reservoirs Reservoir Composition Structure Diamond Graphite Carbides Carbonates Metal Silicates Oxides |  | | Book | | garnet peridotite xenolith from the Monastery kimberlite in South Africa. Polarizers are only partially...2, France D. Canil University of Victoria, BC, Canada M. J. Drake University of Arizona, Tucson, AZ,...USA R. W. Luth University of Alberta, Edmonton, Canada W. F. McDonough University of Maryland, College...pressure, temperature, and composition of the melting region or magma chamber changes during progressive melting...iron surrounded by a mixed iron—olivine zone. The region overlying the core contained material similar to |
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