 | | 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 |  | 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) | | 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; |  | 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 (issue) | | FEATURE ARTICLE______________ 208 Diamonds in Canada B. A. Kjarsgaard and A. A. Levinson This article...Massachusetts A. A. Levinson Calgary, Alberta, Canada Christopher P. Smith Lucerne, Switzerland Editor...still a newcomer as a supplier of rough diamonds, Canada is now among the world’s most important diamond... GEMS & GEMOLOGY FALL 2002 207 DIAMONDS IN CANADA By B. A. Kjarsgaard and A. A. Levinson A newcomer...supplier of rough diamonds to the world market, Canada is currently the seventh most important diamond |  | 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...(introduction of obviously new phases such as amphibole, phlogopite); stealth (introduction of “primary” phases such...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)...areas are clear. Toward the bottom of the sample, phlogopite, rutile and sulfides can be found along the grain |  | 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...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...less refractory. The SCLM beneath the Kansas kimberlite field is highly melt-metasomatised, reflecting...Localities and number of garnets analysed Locality Pipe Alberta Arkansas Three pipes Prairie Creek Twin |  | 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) | | 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...individual kimberlite samples from the YDP and EEP. It was supposed that the initial kimberlite melt arrived |  | | 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 |  | | 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...Brazil: Preliminary studies. 26 The Complete Phlogopite-Tetraferriphlogopite Series in the Catalao-I |  | | 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...and the 5034 kimberlite as Middle Cambrian (539±2 Ma by the Rb–Sr method on phlogopite) (Heaman et al |  | | 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) | | 70–66 Myr ago. The present‐day heat flux in the region is about 55–60 mW m−2. The position of the Moho...beginning of the continental compression in the region. Citation: Bagdassarov, N., V. Batalev, and V....2005]. Knowledge of the xenolith geotherm in the region is essential for reconstructions of the former...thickening and intracontinental mountain building in the region with higher temperatures on the Moho discontinuity...the MT study along the north‐south profile in the region [Bielinski et al., 2003]. 3. Basalt Sites [7] |  | | Book | | Society (Fig. 2.14), Mineralogical Association of Canada (Fig. 9.23), Mineralogical Society of America (Fig... see Fig. 1.5); the dashed lines delineate the region of overlap between alkali and subalkali basalts...may also form near the base of a lava flow; such pipe vesicles (Fig. 2.8b) result from the upward invasion...vesicularity in a basalt lava (Auckland, New Zealand). (b) Pipe amygdales at the base of a basalt lava in Skye;...lines in Fig. 2.1, and basalts plotting in this region are commonly designated as transitional basalts |  | | 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 |  | | Report (volume) | | more than 10,000 prospectors to the semi-desert region, and inevitably led to the recognition of diamond...diamond in their volcanic host rock, dubbed kimberlite (Davies 1984; Hazen 1999). The South African kimberlites’...intrusion in coal/graphite; 2 = meteorite; 3 = kimberlite; 4 = other ultramafic **See Table 3 for locality...analysis shows that ophiolite-hosted Code Locality Canada C1 Jeffrey Mine, Quebec Carbides* 15 Type**...K K, M China C2 Fuxian kimberlite field, Liaoning Prov. C3 Mengyin kimberlite field, Linyi Prefecture |  | | Book | | continental crust, it is useful to begin by defining the region under consideration and to provide some generalities...rocks may not be representative of their source region. These elements include the alkali and alkaline-earth...natural division of the crust into thirds; (ii) the region beneath the upper crust and above a Conrad discontinuity...there is a layer beneath the Conrad; and (iii) the region immediately beneath the Conrad if there are two...Central Slave Province, Canada Host Xenolith types Types of analyses Pipe age Crust age Age References |  | | Book | | position of 56Fe; and (iv) the abundance peaks in the region past iron at the neutron closed shell positions...mixing caused by the convection, the entire unstable region evolves essentially chemically homogeneously—replenishing...of burning region (central or shell burning) and depleting the fuel elsewhere in that region at the same...burning of this fuel then commences outside that region. Table 1 summarizes the burning stages and their...maximum temperatures that have been reached in each region in the preceding hydrostatic burning stages (Table |  | | Journal (issue) | | lithosphere at the Cordlllera-craton boundary of western Canada Dante Canil and J. Kelly Russell 1140 Mercury...illustrate the effects of magmatic: sulfide across a P-T region (Fig. 2). To introduce S, 0.5 wt% FeS was added...central CLP is the classical study site of the region. Studies there provided the first detailed magneto-...Gulang, and Jingbian sections, which span a wide region of the CLP (Hao et al., 2012; Sun et al_, 2006a;...of state for carbon dioxide covering the fluid region from the triple-point temperature to I JOO Kat |
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